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<div class="subTitle">net.sourceforge.jtds.jdbc</div>
<h2 title="Class TdsCore" class="title">Class TdsCore</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>net.sourceforge.jtds.jdbc.TdsCore</li>
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<pre>public class <span class="strong">TdsCore</span>
extends java.lang.Object</pre>
<div class="block">This class implements the Sybase / Microsoft TDS protocol.
<p>
Implementation notes:
<ol>
<li>This class, together with TdsData, encapsulates all of the TDS specific logic
required by the driver.
<li>This is a ground up reimplementation of the TDS protocol and is rather
simpler, and hopefully easier to understand, than the original.
<li>The layout of the various Login packets is derived from the original code
and freeTds work, and incorporates changes including the ability to login as a TDS 5.0 user.
<li>All network I/O errors are trapped here, reported to the log (if active)
and the parent Connection object is notified that the connection should be considered
closed.
<li>Rather than having a large number of classes one for each token, useful information
about the current token is gathered together in the inner TdsToken class.
<li>As the rest of the driver interfaces to this code via higher-level method calls there
should be know need for knowledge of the TDS protocol to leak out of this class.
It is for this reason that all the TDS Token constants are private.
</ol></div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Mike Hutchinson, Matt Brinkley, Alin Sinpalean, Holger Rehn, FreeTDS project</dd></dl>
</li>
</ul>
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<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation">
<caption><span>Nested Classes</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class </code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.TableMetaData.html" title="class in net.sourceforge.jtds.jdbc">TdsCore.TableMetaData</a></strong></code>
<div class="block">Inner static class used to hold table meta data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class </code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.TdsToken.html" title="class in net.sourceforge.jtds.jdbc">TdsCore.TdsToken</a></strong></code>
<div class="block">Inner static class used to hold information about TDS tokens read.</div>
</td>
</tr>
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<h3>Field Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#_ErrorReceived">_ErrorReceived</a></strong></code>
<div class="block">flag set to <code>true</code> whenever a TDS_ERROR token is received</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private org.ietf.jgss.GSSContext</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#_gssContext">_gssContext</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#ALTMETADATA_TOKEN">ALTMETADATA_TOKEN</a></strong></code>
<div class="block">TDS 7.0 Computed Result set column meta data token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#ASYNC_CANCEL">ASYNC_CANCEL</a></strong></code>
<div class="block">Cancel has been generated by <code>Statement.cancel()</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#CANCEL_PKT">CANCEL_PKT</a></strong></code>
<div class="block">TDS Cancel packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#cancelMonitor">cancelMonitor</a></strong></code>
<div class="block">Synchronization monitor for <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#cancelPending"><code>cancelPending</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#cancelPending">cancelPending</a></strong></code>
<div class="block">Indicates pending cancel that needs to be cleared.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#columns">columns</a></strong></code>
<div class="block">The array of column meta data objects for this result set.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#computedColumns">computedColumns</a></strong></code>
<div class="block">The array of column meta data objects for the computed columns of this result set.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.lang.Object[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#computedRowData">computedRowData</a></strong></code>
<div class="block">The array of computed column data objects in the current row.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#connection">connection</a></strong></code>
<div class="block">The Connection object that created this object.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/Semaphore.html" title="class in net.sourceforge.jtds.jdbc">Semaphore</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#connectionLock">connectionLock</a></strong></code>
<div class="block">Mutual exclusion lock on connection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.TdsToken.html" title="class in net.sourceforge.jtds.jdbc">TdsCore.TdsToken</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#currentToken">currentToken</a></strong></code>
<div class="block">The descriptor object for the current TDS token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#DEFAULT_MIN_PKT_SIZE_TDS70">DEFAULT_MIN_PKT_SIZE_TDS70</a></strong></code>
<div class="block">Default minimum network packet size for TDS 7.0 and newer.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#DONE_CANCEL">DONE_CANCEL</a></strong></code>
<div class="block">Done: Cancel acknowledgment.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#DONE_END_OF_RESPONSE">DONE_END_OF_RESPONSE</a></strong></code>
<div class="block">Done: Response terminator (if more than one request packet is sent, each
response is terminated by a DONE packet with this flag set).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#DONE_ERROR">DONE_ERROR</a></strong></code>
<div class="block">Done: command caused an error.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#DONE_MORE_RESULTS">DONE_MORE_RESULTS</a></strong></code>
<div class="block">Done: more results are expected.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#DONE_ROW_COUNT">DONE_ROW_COUNT</a></strong></code>
<div class="block">Done: There is a valid row count.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static <a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#EMPTY_PARAMETER_INFO">EMPTY_PARAMETER_INFO</a></strong></code>
<div class="block">Used to optimize the <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getParameters()"><code>getParameters()</code></a> call</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#endOfResponse">endOfResponse</a></strong></code>
<div class="block">True if the server response is fully read.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#endOfResults">endOfResults</a></strong></code>
<div class="block">True if the current result set is at end of file.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#EXECUTE_SQL">EXECUTE_SQL</a></strong></code>
<div class="block">Prepare SQL using sp_executesql</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#fatalError">fatalError</a></strong></code>
<div class="block">Indicates that a fatal error has occurred and the connection will close.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#hostName">hostName</a></strong></code>
<div class="block">Name of the client host (it can take quite a while to find it out if DNS is configured incorrectly).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/ResponseStream.html" title="class in net.sourceforge.jtds.jdbc">ResponseStream</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#in">in</a></strong></code>
<div class="block">The input server response stream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#inBatch">inBatch</a></strong></code>
<div class="block">Indicates processing a batch.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isClosed">isClosed</a></strong></code>
<div class="block">Indicates that this object is closed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#LOGIN_PKT">LOGIN_PKT</a></strong></code>
<div class="block">TDS 4.2 or 5.0 Login packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#MAX_PKT_SIZE">MAX_PKT_SIZE</a></strong></code>
<div class="block">Maximum network packet size.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/SQLDiagnostic.html" title="class in net.sourceforge.jtds.jdbc">SQLDiagnostic</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#messages">messages</a></strong></code>
<div class="block">The head of the diagnostic messages chain.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#MIN_PKT_SIZE">MIN_PKT_SIZE</a></strong></code>
<div class="block">Minimum network packet size.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#MSDTC_PKT">MSDTC_PKT</a></strong></code>
<div class="block">TDS MSDTC packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#MSLOGIN_PKT">MSLOGIN_PKT</a></strong></code>
<div class="block">TDS 7.0 Login packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#nextParam">nextParam</a></strong></code>
<div class="block">The index of the next output parameter to populate.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#nonce">nonce</a></strong></code>
<div class="block">The nonce from an NTLM challenge packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#NTLMAUTH_PKT">NTLMAUTH_PKT</a></strong></code>
<div class="block">TDS 7.0 NTLM Authentication packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#ntlmAuthSSO">ntlmAuthSSO</a></strong></code>
<div class="block">Flag that indicates if logon() should try to use Windows Single Sign On using SSPI
or Kerberos SSO via Java native GSSAPI.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#ntlmMessage">ntlmMessage</a></strong></code>
<div class="block">NTLM authentication message.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#ntlmTarget">ntlmTarget</a></strong></code>
<div class="block">target info for NTLM message</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/RequestStream.html" title="class in net.sourceforge.jtds.jdbc">RequestStream</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#out">out</a></strong></code>
<div class="block">The output server request stream.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#parameters">parameters</a></strong></code>
<div class="block">The array of parameter meta data objects for the current procedure call.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#PKT_HDR_LEN">PKT_HDR_LEN</a></strong></code>
<div class="block">The size of the packet header.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#PRELOGIN_PKT">PRELOGIN_PKT</a></strong></code>
<div class="block">SQL 2000 prelogin negotiation packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#PREPARE">PREPARE</a></strong></code>
<div class="block">Prepare SQL using sp_prepare and sp_execute</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#QUERY_PKT">QUERY_PKT</a></strong></code>
<div class="block">TDS 4.2 or 7.0 Query packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#REPLY_PKT">REPLY_PKT</a></strong></code>
<div class="block">TDS Reply packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#returnParam">returnParam</a></strong></code>
<div class="block">The return parameter meta data object for the current procedure call.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private java.lang.Integer</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#returnStatus">returnStatus</a></strong></code>
<div class="block">The stored procedure return status.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.lang.Object[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#rowData">rowData</a></strong></code>
<div class="block">The array of column data objects in the current row.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#RPC_PKT">RPC_PKT</a></strong></code>
<div class="block">TDS Remote Procedure Call.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#serverType">serverType</a></strong></code>
<div class="block">The make of SQL Server (Sybase/Microsoft).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#socket">socket</a></strong></code>
<div class="block">The Shared network socket object.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SSL_CLIENT_FORCE_ENCRYPT">SSL_CLIENT_FORCE_ENCRYPT</a></strong></code>
<div class="block">SSL Mode - Client requested force encryption.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SSL_ENCRYPT_LOGIN">SSL_ENCRYPT_LOGIN</a></strong></code>
<div class="block">SSL Mode - Login packet must be encrypted.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SSL_NO_ENCRYPT">SSL_NO_ENCRYPT</a></strong></code>
<div class="block">SSL Mode - No server certificate installed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SSL_SERVER_FORCE_ENCRYPT">SSL_SERVER_FORCE_ENCRYPT</a></strong></code>
<div class="block">SSL Mode - Server requested force encryption.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sslMode">sslMode</a></strong></code>
<div class="block">Indicates type of SSL connection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static <a href="../../../../net/sourceforge/jtds/util/SSPIJNIClient.html" title="class in net.sourceforge.jtds.util">SSPIJNIClient</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sspiJNIClient">sspiJNIClient</a></strong></code>
<div class="block">A reference to ntlm.SSPIJNIClient.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYB_BIGINT">SYB_BIGINT</a></strong></code>
<div class="block">Sybase 15+ bigint.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYB_BITNULL">SYB_BITNULL</a></strong></code>
<div class="block">Sybase nullable bit type.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYB_DATETIME">SYB_DATETIME</a></strong></code>
<div class="block">Sybase date and time data types.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYB_EXTCOLINFO">SYB_EXTCOLINFO</a></strong></code>
<div class="block">Sybase extended column meta data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYB_LONGDATA">SYB_LONGDATA</a></strong></code>
<div class="block">Sybase char and binary > 255.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYB_UNICODE">SYB_UNICODE</a></strong></code>
<div class="block">Sybase univarchar etc.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYB_UNITEXT">SYB_UNITEXT</a></strong></code>
<div class="block">Sybase 15+ unitext.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#SYBQUERY_PKT">SYBQUERY_PKT</a></strong></code>
<div class="block">TDS 5.0 Query packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.TableMetaData.html" title="class in net.sourceforge.jtds.jdbc">TdsCore.TableMetaData</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tables">tables</a></strong></code>
<div class="block">The array of table names associated with this result.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ALTROW">TDS_ALTROW</a></strong></code>
<div class="block">TDS Computed result set data row token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_AUTH_TOKEN">TDS_AUTH_TOKEN</a></strong></code>
<div class="block">TDS 7.0 NTLM authentication challenge token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_CAP_TOKEN">TDS_CAP_TOKEN</a></strong></code>
<div class="block">TDS 5.0 capabilities token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_CLOSE_TOKEN">TDS_CLOSE_TOKEN</a></strong></code>
<div class="block">TDS 5.0 Close token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_COLFMT_TOKEN">TDS_COLFMT_TOKEN</a></strong></code>
<div class="block">TDS 4.2 Column meta data token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_COLINFO_TOKEN">TDS_COLINFO_TOKEN</a></strong></code>
<div class="block">TDS Cursor results column infomation token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_COLNAME_TOKEN">TDS_COLNAME_TOKEN</a></strong></code>
<div class="block">TDS 4.2 Column names token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_COMP_NAMES_TOKEN">TDS_COMP_NAMES_TOKEN</a></strong></code>
<div class="block">TDS Computed result set names token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_COMP_RESULT_TOKEN">TDS_COMP_RESULT_TOKEN</a></strong></code>
<div class="block">TDS Computed result set token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_CONTROL_TOKEN">TDS_CONTROL_TOKEN</a></strong></code>
<div class="block">TDS control token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_DBRPC_TOKEN">TDS_DBRPC_TOKEN</a></strong></code>
<div class="block">TDS 5.0 RPC token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_DONE_TOKEN">TDS_DONE_TOKEN</a></strong></code>
<div class="block">TDS done token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_DONEINPROC_TOKEN">TDS_DONEINPROC_TOKEN</a></strong></code>
<div class="block">TDS done in procedure token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_DONEPROC_TOKEN">TDS_DONEPROC_TOKEN</a></strong></code>
<div class="block">TDS done procedure token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ENV_CHARSET">TDS_ENV_CHARSET</a></strong></code>
<div class="block">Environment change: charset changed.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ENV_DATABASE">TDS_ENV_DATABASE</a></strong></code>
<div class="block">Environment change: database changed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ENV_LANG">TDS_ENV_LANG</a></strong></code>
<div class="block">Environment change: language changed.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ENV_LCID">TDS_ENV_LCID</a></strong></code>
<div class="block">Environment change: locale changed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ENV_PACKSIZE">TDS_ENV_PACKSIZE</a></strong></code>
<div class="block">Environment change: network packet size changed.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ENV_SQLCOLLATION">TDS_ENV_SQLCOLLATION</a></strong></code>
<div class="block">Environment change: TDS 8 collation changed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ENVCHANGE_TOKEN">TDS_ENVCHANGE_TOKEN</a></strong></code>
<div class="block">TDS environment change token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ERROR_TOKEN">TDS_ERROR_TOKEN</a></strong></code>
<div class="block">TDS error result token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_INFO_TOKEN">TDS_INFO_TOKEN</a></strong></code>
<div class="block">TDS Information message token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_LANG_TOKEN">TDS_LANG_TOKEN</a></strong></code>
<div class="block">TDS 5.0 Language token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_LOGINACK_TOKEN">TDS_LOGINACK_TOKEN</a></strong></code>
<div class="block">TDS Login acknowledgement token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_MSG50_TOKEN">TDS_MSG50_TOKEN</a></strong></code>
<div class="block">TDS 5.0 message token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_OFFSETS_TOKEN">TDS_OFFSETS_TOKEN</a></strong></code>
<div class="block">TDS DBLIB Offsets token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ORDER_TOKEN">TDS_ORDER_TOKEN</a></strong></code>
<div class="block">TDS Order by columns token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_PARAM_TOKEN">TDS_PARAM_TOKEN</a></strong></code>
<div class="block">TDS Output parameter value token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_PROCID">TDS_PROCID</a></strong></code>
<div class="block">TDS Procedure ID token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_RESULT_TOKEN">TDS_RESULT_TOKEN</a></strong></code>
<div class="block">TDS 5.0 Result set column meta data token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_RETURNSTATUS_TOKEN">TDS_RETURNSTATUS_TOKEN</a></strong></code>
<div class="block">TDS Procedure call return status token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_ROW_TOKEN">TDS_ROW_TOKEN</a></strong></code>
<div class="block">TDS Result set data row token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS_TABNAME_TOKEN">TDS_TABNAME_TOKEN</a></strong></code>
<div class="block">TDS Table name token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS5_DYNAMIC_TOKEN">TDS5_DYNAMIC_TOKEN</a></strong></code>
<div class="block">TDS 5.0 Dynamic SQL token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS5_PARAMFMT_TOKEN">TDS5_PARAMFMT_TOKEN</a></strong></code>
<div class="block">TDS 5.0 parameter descriptor token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS5_PARAMFMT2_TOKEN">TDS5_PARAMFMT2_TOKEN</a></strong></code>
<div class="block">TDS 5.0 Parameter format token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS5_PARAMS_TOKEN">TDS5_PARAMS_TOKEN</a></strong></code>
<div class="block">TDS 5.0 parameter value token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS5_WIDE_RESULT">TDS5_WIDE_RESULT</a></strong></code>
<div class="block">TSD 5.0 Wide result set token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TDS7_RESULT_TOKEN">TDS7_RESULT_TOKEN</a></strong></code>
<div class="block">TDS 7.0 Result set column meta data token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static java.util.HashMap</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds8SpNames">tds8SpNames</a></strong></code>
<div class="block">Map of system stored procedures that have shortcuts in TDS8.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsVersion">tdsVersion</a></strong></code>
<div class="block">The TDS version being supported by this connection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TEMPORARY_STORED_PROCEDURES">TEMPORARY_STORED_PROCEDURES</a></strong></code>
<div class="block">Prepare SQL using temporary stored procedures</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TIMEOUT_CANCEL">TIMEOUT_CANCEL</a></strong></code>
<div class="block">Cancel has been generated by a query timeout.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#UNPREPARED">UNPREPARED</a></strong></code>
<div class="block">Do not prepare SQL</div>
</td>
</tr>
</table>
</li>
</ul>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor_summary">
<!-- -->
</a>
<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#TdsCore(net.sourceforge.jtds.jdbc.JtdsConnection, net.sourceforge.jtds.jdbc.SQLDiagnostic)">TdsCore</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a> connection,
<a href="../../../../net/sourceforge/jtds/jdbc/SQLDiagnostic.html" title="class in net.sourceforge.jtds.jdbc">SQLDiagnostic</a> messages)</code>
<div class="block">Construct a TdsCore object.</div>
</td>
</tr>
</table>
</li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
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<li class="blockList"><a name="method_summary">
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</a>
<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#cancel(boolean)">cancel</a></strong>(boolean timeout)</code>
<div class="block">Send (only) one cancel packet to the server.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#checkOpen()">checkOpen</a></strong>()</code>
<div class="block">Check that the connection is still open.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#cleanUp()">cleanUp</a></strong>()</code>
<div class="block">Releases parameter and result set data and metadata to free up memory.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#clearResponseQueue()">clearResponseQueue</a></strong>()</code>
<div class="block">Empty the server response queue.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#close()">close</a></strong>()</code>
<div class="block">Close the <code>TdsCore</code> connection object and associated streams.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#closeConnection()">closeConnection</a></strong>()</code>
<div class="block">Inform the server that this connection is closing.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#consumeOneResponse()">consumeOneResponse</a></strong>()</code>
<div class="block">Consume packets from the server response queue up to (and including) the
first response terminator.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#createGssToken()">createGssToken</a></strong>()</code>
<div class="block">Initializes the GSS context and creates the initial token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#enlistConnection(int, byte[])">enlistConnection</a></strong>(int type,
byte[] oleTranID)</code>
<div class="block">Enlist the current connection in a distributed transaction or request the location of the
MSDTC instance controlling the server we are connected to.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#executeSQL(java.lang.String, java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[], boolean, int, int, int, boolean)">executeSQL</a></strong>(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters,
boolean noMetaData,
int timeOut,
int maxRows,
int maxFieldSize,
boolean sendNow)</code>
<div class="block">Send an SQL statement with optional parameters to the server.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#executeSQL42(java.lang.String, java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[], boolean, boolean)">executeSQL42</a></strong>(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters,
boolean noMetaData,
boolean sendNow)</code>
<div class="block">Execute SQL using TDS 4.2 protocol.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#executeSQL50(java.lang.String, java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[])">executeSQL50</a></strong>(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters)</code>
<div class="block">Execute SQL using TDS 5.0 protocol.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#executeSQL70(java.lang.String, java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[], boolean, boolean)">executeSQL70</a></strong>(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters,
boolean noMetaData,
boolean sendNow)</code>
<div class="block">Execute SQL using TDS 7.0 protocol.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) java.sql.SQLException</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getBatchCounts(java.util.ArrayList, java.sql.SQLException)">getBatchCounts</a></strong>(java.util.ArrayList counts,
java.sql.SQLException sqlEx)</code>
<div class="block">Obtain the counts from a batch of SQL updates.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) <a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getColumns()">getColumns</a></strong>()</code>
<div class="block">Retrieve the current result set column descriptors.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) <a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getComputedColumns()">getComputedColumns</a></strong>()</code>
<div class="block"> Retrieve the current computed result set column descriptors, if any.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) java.lang.Object[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getComputedRowData()">getComputedRowData</a></strong>()</code>
<div class="block"> Retrieve <b>and clear</b> the current computed result set data items,
if any.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getHostName()">getHostName</a></strong>()</code>
<div class="block">Tries to figure out what client name we should identify ourselves as.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getIntFromBuffer(byte[], int)">getIntFromBuffer</a></strong>(byte[] buf,
int offset)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getMACAddress(java.lang.String)">getMACAddress</a></strong>(java.lang.String macString)</code>
<div class="block">Converts a user supplied MAC address into a byte array.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../net/sourceforge/jtds/jdbc/SQLDiagnostic.html" title="class in net.sourceforge.jtds.jdbc">SQLDiagnostic</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getMessages()">getMessages</a></strong>()</code>
<div class="block">Returns the diagnostic chain for this instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getMoreResults()">getMoreResults</a></strong>()</code>
<div class="block">Get the next result set or update count from the TDS stream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getNextRow()">getNextRow</a></strong>()</code>
<div class="block">Retrieve the next data row from the result set.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) <a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getParameters()">getParameters</a></strong>()</code>
<div class="block">Retrieve the parameter meta data from a Sybase prepare.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) java.lang.Integer</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getReturnStatus()">getReturnStatus</a></strong>()</code>
<div class="block">Retrieve the return status for the current stored procedure.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) java.lang.Object[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getRowData()">getRowData</a></strong>()</code>
<div class="block">Retrieve the current result set data items.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getShortFromBuffer(byte[], int)">getShortFromBuffer</a></strong>(byte[] buf,
int offset)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getTdsVersion()">getTdsVersion</a></strong>()</code>
<div class="block">Retrieve the TDS protocol version.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getUpdateCount()">getUpdateCount</a></strong>()</code>
<div class="block">Retrieve the update count from the current TDS token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isDataInResultSet()">isDataInResultSet</a></strong>()</code>
<div class="block"> Retrieve the status of result set.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isEndOfResponse()">isEndOfResponse</a></strong>()</code>
<div class="block">Retrieve the status of the response stream.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isPreparedProcedureName(java.lang.String)">isPreparedProcedureName</a></strong>(java.lang.String procName)</code>
<div class="block">Returns <code>true</code> if the specified <code>procName</code>
is a sp_prepare or sp_prepexec handle; returns <code>false</code>
otherwise.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isResultSet()">isResultSet</a></strong>()</code>
<div class="block">Retrieve the status of the next result item.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isRowData()">isRowData</a></strong>()</code>
<div class="block">Retrieve the status of the next result item.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isUpdateCount()">isUpdateCount</a></strong>()</code>
<div class="block">Retrieve the status of the next result item.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#isWindowsOS()">isWindowsOS</a></strong>()</code>
<div class="block"> Checks whether the <code>os.name</code> system property contains
"windows".</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#login(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">login</a></strong>(java.lang.String serverName,
java.lang.String database,
java.lang.String user,
java.lang.String password,
java.lang.String domain,
java.lang.String charset,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
java.lang.String macAddress,
int packetSize)</code>
<div class="block">Login to the SQL Server.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#microsoftPrepare(java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[], boolean, int, int)">microsoftPrepare</a></strong>(java.lang.String sql,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] params,
boolean needCursor,
int resultSetType,
int resultSetConcurrency)</code>
<div class="block">Prepares the SQL for use with Microsoft server.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#negotiateSSL(java.lang.String, java.lang.String)">negotiateSSL</a></strong>(java.lang.String instance,
java.lang.String ssl)</code>
<div class="block">Negotiate SSL settings with SQL 2000+ server.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#nextToken()">nextToken</a></strong>()</code>
<div class="block">Read the next TDS token from the response stream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#putLoginString(java.lang.String, int)">putLoginString</a></strong>(java.lang.String txt,
int len)</code>
<div class="block">Write a TDS login packet string.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#readPreLoginPacket()">readPreLoginPacket</a></strong>()</code>
<div class="block">Process the pre login acknowledgment from the server.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#send42LoginPkt(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">send42LoginPkt</a></strong>(java.lang.String serverName,
java.lang.String user,
java.lang.String password,
java.lang.String charset,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
int packetSize)</code>
<div class="block">TDS 4.2 Login Packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#send50LoginPkt(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">send50LoginPkt</a></strong>(java.lang.String serverName,
java.lang.String user,
java.lang.String password,
java.lang.String charset,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
int packetSize)</code>
<div class="block">TDS 5.0 Login Packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sendGssToken()">sendGssToken</a></strong>()</code>
<div class="block">Send the next GSS authentication token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sendMSLoginPkt(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">sendMSLoginPkt</a></strong>(java.lang.String serverName,
java.lang.String database,
java.lang.String user,
java.lang.String password,
java.lang.String domain,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
java.lang.String macAddress,
int netPacketSize)</code>
<div class="block">Send a TDS 7 login packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sendNtlmChallengeResponse(java.lang.String, java.lang.String, java.lang.String)">sendNtlmChallengeResponse</a></strong>(java.lang.String user,
java.lang.String password,
java.lang.String domain)</code>
<div class="block">Send the response to the NTLM authentication challenge.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sendPreLoginPacket(java.lang.String, boolean)">sendPreLoginPacket</a></strong>(java.lang.String instance,
boolean forceEncryption)</code>
<div class="block">Send the SQL Server 2000 pre login packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#setColumns(net.sourceforge.jtds.jdbc.ColInfo[])">setColumns</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[] columns)</code>
<div class="block">Sets the column meta data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#setRowCountAndTextSize(int, int)">setRowCountAndTextSize</a></strong>(int rowCount,
int textSize)</code>
<div class="block">Sets the server row count (to limit the number of rows in a result set)
and text size (to limit the size of returned TEXT/NTEXT fields).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#startBatch()">startBatch</a></strong>()</code>
<div class="block">Notifies the <code>TdsCore</code> that a batch is starting.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#submitSQL(java.lang.String)">submitSQL</a></strong>(java.lang.String sql)</code>
<div class="block">Submit a simple SQL statement to the server and process all output.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sybasePrepare(java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[])">sybasePrepare</a></strong>(java.lang.String sql,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] params)</code>
<div class="block">Creates a light weight stored procedure on a Sybase server.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#sybaseUnPrepare(java.lang.String)">sybaseUnPrepare</a></strong>(java.lang.String procName)</code>
<div class="block">Drops a Sybase temporary stored procedure.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds4ColFormatToken()">tds4ColFormatToken</a></strong>()</code>
<div class="block">Process a TDS 4.2 column format token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds4ColNamesToken()">tds4ColNamesToken</a></strong>()</code>
<div class="block">Process a TDS 4.2 column names token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds5DynamicToken()">tds5DynamicToken</a></strong>()</code>
<div class="block">Process TDS5 dynamic SQL aknowledgements.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds5ErrorToken()">tds5ErrorToken</a></strong>()</code>
<div class="block">Process a TDS 5 error or informational message.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds5ParamFmt2Token()">tds5ParamFmt2Token</a></strong>()</code>
<div class="block">Process TDS 5 Sybase 12+ Dynamic results parameter descriptor.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds5ParamFmtToken()">tds5ParamFmtToken</a></strong>()</code>
<div class="block">Process TDS 5 Dynamic results parameter descriptors.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds5ParamsToken()">tds5ParamsToken</a></strong>()</code>
<div class="block">Process TDS 5.0 Params Token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds5ResultToken()">tds5ResultToken</a></strong>()</code>
<div class="block">Process a TDS 5.0 result set packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds5WideResultToken()">tds5WideResultToken</a></strong>()</code>
<div class="block">Process Sybase 12+ wide result token which provides enhanced
column meta data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds7CryptPass(java.lang.String)">tds7CryptPass</a></strong>(java.lang.String pw)</code>
<div class="block">A <B>very</B> poor man's "encryption".</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tds7ResultToken()">tds7ResultToken</a></strong>()</code>
<div class="block">Process a TDS 7.0 result set token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsCapabilityToken()">tdsCapabilityToken</a></strong>()</code>
<div class="block">Processes a TDS 5.0 capability token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsColumnInfoToken()">tdsColumnInfoToken</a></strong>()</code>
<div class="block">Process a column infomation token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsComputedResultToken()">tdsComputedResultToken</a></strong>()</code>
<div class="block"> Process meta data for the computed result set complementing the
current result set.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsComputedRowToken()">tdsComputedRowToken</a></strong>()</code>
<div class="block"> Process computed row data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsControlToken()">tdsControlToken</a></strong>()</code>
<div class="block">Process a control token (function unknown).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsDoneToken()">tdsDoneToken</a></strong>()</code>
<div class="block">Process a DONE, DONEINPROC or DONEPROC token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsEnvChangeToken()">tdsEnvChangeToken</a></strong>()</code>
<div class="block">Process an environment change packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsErrorToken()">tdsErrorToken</a></strong>()</code>
<div class="block">Process a TD4/TDS7 error or informational message.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Report unsupported TDS token in input stream.</div>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Process a login acknowledgement packet.</div>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Process a NTLM Authentication challenge.</div>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Process offsets token.</div>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Process an order by token.</div>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Process output parameters.</div>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Process procedure ID token.</div>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsReturnStatusToken()">tdsReturnStatusToken</a></strong>()</code>
<div class="block">Process stored procedure return status token.</div>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsRowToken()">tdsRowToken</a></strong>()</code>
<div class="block">Process a row data token.</div>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#tdsTableNameToken()">tdsTableNameToken</a></strong>()</code>
<div class="block">Process a table name token.</div>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Waits for the first byte of the server response.</div>
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<pre>public static final int MIN_PKT_SIZE</pre>
<div class="block">Minimum network packet size.</div>
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<pre>public static final int DEFAULT_MIN_PKT_SIZE_TDS70</pre>
<div class="block">Default minimum network packet size for TDS 7.0 and newer.</div>
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<pre>public static final int MAX_PKT_SIZE</pre>
<div class="block">Maximum network packet size.</div>
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<pre>public static final int PKT_HDR_LEN</pre>
<div class="block">The size of the packet header.</div>
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<pre>public static final byte QUERY_PKT</pre>
<div class="block">TDS 4.2 or 7.0 Query packet.</div>
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<pre>public static final byte LOGIN_PKT</pre>
<div class="block">TDS 4.2 or 5.0 Login packet.</div>
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<pre>public static final byte RPC_PKT</pre>
<div class="block">TDS Remote Procedure Call.</div>
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<pre>public static final byte REPLY_PKT</pre>
<div class="block">TDS Reply packet.</div>
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<pre>public static final byte CANCEL_PKT</pre>
<div class="block">TDS Cancel packet.</div>
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<pre>public static final byte MSDTC_PKT</pre>
<div class="block">TDS MSDTC packet.</div>
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<pre>public static final byte SYBQUERY_PKT</pre>
<div class="block">TDS 5.0 Query packet.</div>
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<pre>public static final byte MSLOGIN_PKT</pre>
<div class="block">TDS 7.0 Login packet.</div>
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<pre>public static final byte NTLMAUTH_PKT</pre>
<div class="block">TDS 7.0 NTLM Authentication packet.</div>
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<pre>public static final byte PRELOGIN_PKT</pre>
<div class="block">SQL 2000 prelogin negotiation packet.</div>
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<pre>public static final int SSL_ENCRYPT_LOGIN</pre>
<div class="block">SSL Mode - Login packet must be encrypted.</div>
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<pre>public static final int SSL_CLIENT_FORCE_ENCRYPT</pre>
<div class="block">SSL Mode - Client requested force encryption.</div>
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<pre>public static final int SSL_NO_ENCRYPT</pre>
<div class="block">SSL Mode - No server certificate installed.</div>
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<pre>public static final int SSL_SERVER_FORCE_ENCRYPT</pre>
<div class="block">SSL Mode - Server requested force encryption.</div>
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<pre>private static final byte TDS5_PARAMFMT2_TOKEN</pre>
<div class="block">TDS 5.0 Parameter format token.</div>
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<pre>private static final byte TDS_LANG_TOKEN</pre>
<div class="block">TDS 5.0 Language token.</div>
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<pre>private static final byte TDS5_WIDE_RESULT</pre>
<div class="block">TSD 5.0 Wide result set token.</div>
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<pre>private static final byte TDS_CLOSE_TOKEN</pre>
<div class="block">TDS 5.0 Close token.</div>
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<pre>private static final byte TDS_OFFSETS_TOKEN</pre>
<div class="block">TDS DBLIB Offsets token.</div>
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<pre>private static final byte TDS_RETURNSTATUS_TOKEN</pre>
<div class="block">TDS Procedure call return status token.</div>
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<pre>private static final byte TDS_PROCID</pre>
<div class="block">TDS Procedure ID token.</div>
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<pre>private static final byte TDS7_RESULT_TOKEN</pre>
<div class="block">TDS 7.0 Result set column meta data token.</div>
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<pre>private static final byte ALTMETADATA_TOKEN</pre>
<div class="block">TDS 7.0 Computed Result set column meta data token.</div>
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<pre>private static final byte TDS_COLNAME_TOKEN</pre>
<div class="block">TDS 4.2 Column names token.</div>
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<pre>private static final byte TDS_COLFMT_TOKEN</pre>
<div class="block">TDS 4.2 Column meta data token.</div>
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<pre>private static final byte TDS_TABNAME_TOKEN</pre>
<div class="block">TDS Table name token.</div>
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<pre>private static final byte TDS_COLINFO_TOKEN</pre>
<div class="block">TDS Cursor results column infomation token.</div>
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<pre>private static final byte TDS_COMP_NAMES_TOKEN</pre>
<div class="block">TDS Computed result set names token.</div>
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<pre>private static final byte TDS_COMP_RESULT_TOKEN</pre>
<div class="block">TDS Computed result set token.</div>
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<pre>private static final byte TDS_ORDER_TOKEN</pre>
<div class="block">TDS Order by columns token.</div>
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<pre>private static final byte TDS_ERROR_TOKEN</pre>
<div class="block">TDS error result token.</div>
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<pre>private static final byte TDS_INFO_TOKEN</pre>
<div class="block">TDS Information message token.</div>
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<pre>private static final byte TDS_PARAM_TOKEN</pre>
<div class="block">TDS Output parameter value token.</div>
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<pre>private static final byte TDS_LOGINACK_TOKEN</pre>
<div class="block">TDS Login acknowledgement token.</div>
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<pre>private static final byte TDS_CONTROL_TOKEN</pre>
<div class="block">TDS control token.</div>
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<pre>private static final byte TDS_ROW_TOKEN</pre>
<div class="block">TDS Result set data row token.</div>
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<pre>private static final byte TDS_ALTROW</pre>
<div class="block">TDS Computed result set data row token.</div>
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<pre>private static final byte TDS5_PARAMS_TOKEN</pre>
<div class="block">TDS 5.0 parameter value token.</div>
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<pre>private static final byte TDS_CAP_TOKEN</pre>
<div class="block">TDS 5.0 capabilities token.</div>
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<pre>private static final byte TDS_ENVCHANGE_TOKEN</pre>
<div class="block">TDS environment change token.</div>
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<pre>private static final byte TDS_MSG50_TOKEN</pre>
<div class="block">TDS 5.0 message token.</div>
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<pre>private static final byte TDS_DBRPC_TOKEN</pre>
<div class="block">TDS 5.0 RPC token.</div>
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<pre>private static final byte TDS5_DYNAMIC_TOKEN</pre>
<div class="block">TDS 5.0 Dynamic SQL token.</div>
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<pre>private static final byte TDS5_PARAMFMT_TOKEN</pre>
<div class="block">TDS 5.0 parameter descriptor token.</div>
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<pre>private static final byte TDS_AUTH_TOKEN</pre>
<div class="block">TDS 7.0 NTLM authentication challenge token.</div>
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<pre>private static final byte TDS_RESULT_TOKEN</pre>
<div class="block">TDS 5.0 Result set column meta data token.</div>
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<pre>private static final byte TDS_DONE_TOKEN</pre>
<div class="block">TDS done token.</div>
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<pre>private static final byte TDS_DONEPROC_TOKEN</pre>
<div class="block">TDS done procedure token.</div>
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<pre>private static final byte TDS_DONEINPROC_TOKEN</pre>
<div class="block">TDS done in procedure token.</div>
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<pre>private static final byte TDS_ENV_DATABASE</pre>
<div class="block">Environment change: database changed.</div>
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<pre>private static final byte TDS_ENV_LANG</pre>
<div class="block">Environment change: language changed.</div>
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<pre>private static final byte TDS_ENV_CHARSET</pre>
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<pre>private static final byte TDS_ENV_PACKSIZE</pre>
<div class="block">Environment change: network packet size changed.</div>
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<pre>private static final byte TDS_ENV_LCID</pre>
<div class="block">Environment change: locale changed.</div>
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<pre>private static final byte TDS_ENV_SQLCOLLATION</pre>
<div class="block">Environment change: TDS 8 collation changed.</div>
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<pre>private static final <a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] EMPTY_PARAMETER_INFO</pre>
<div class="block">Used to optimize the <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#getParameters()"><code>getParameters()</code></a> call</div>
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<pre>private static final byte DONE_MORE_RESULTS</pre>
<div class="block">Done: more results are expected.</div>
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<pre>private static final byte DONE_ERROR</pre>
<div class="block">Done: command caused an error.</div>
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<pre>private static final byte DONE_ROW_COUNT</pre>
<div class="block">Done: There is a valid row count.</div>
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<pre>static final byte DONE_CANCEL</pre>
<div class="block">Done: Cancel acknowledgment.</div>
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<pre>private static final byte DONE_END_OF_RESPONSE</pre>
<div class="block">Done: Response terminator (if more than one request packet is sent, each
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<pre>public static final int UNPREPARED</pre>
<div class="block">Do not prepare SQL</div>
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<pre>public static final int TEMPORARY_STORED_PROCEDURES</pre>
<div class="block">Prepare SQL using temporary stored procedures</div>
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<pre>public static final int EXECUTE_SQL</pre>
<div class="block">Prepare SQL using sp_executesql</div>
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<pre>public static final int PREPARE</pre>
<div class="block">Prepare SQL using sp_prepare and sp_execute</div>
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<pre>static final int SYB_LONGDATA</pre>
<div class="block">Sybase char and binary > 255.</div>
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<pre>static final int SYB_DATETIME</pre>
<div class="block">Sybase date and time data types.</div>
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<pre>static final int SYB_BITNULL</pre>
<div class="block">Sybase nullable bit type.</div>
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<pre>static final int SYB_EXTCOLINFO</pre>
<div class="block">Sybase extended column meta data.</div>
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<pre>static final int SYB_UNICODE</pre>
<div class="block">Sybase univarchar etc.</div>
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<pre>static final int SYB_UNITEXT</pre>
<div class="block">Sybase 15+ unitext.</div>
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<pre>static final int SYB_BIGINT</pre>
<div class="block">Sybase 15+ bigint.</div>
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<pre>private static final int ASYNC_CANCEL</pre>
<div class="block">Cancel has been generated by <code>Statement.cancel()</code>.</div>
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<pre>private static final int TIMEOUT_CANCEL</pre>
<div class="block">Cancel has been generated by a query timeout.</div>
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<pre>private static java.util.HashMap tds8SpNames</pre>
<div class="block">Map of system stored procedures that have shortcuts in TDS8.</div>
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<pre>private static java.lang.String hostName</pre>
<div class="block">Name of the client host (it can take quite a while to find it out if DNS is configured incorrectly).</div>
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<pre>private static <a href="../../../../net/sourceforge/jtds/util/SSPIJNIClient.html" title="class in net.sourceforge.jtds.util">SSPIJNIClient</a> sspiJNIClient</pre>
<div class="block">A reference to ntlm.SSPIJNIClient.</div>
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<pre>private final <a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a> connection</pre>
<div class="block">The Connection object that created this object.</div>
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<pre>private int tdsVersion</pre>
<div class="block">The TDS version being supported by this connection.</div>
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<pre>private final int serverType</pre>
<div class="block">The make of SQL Server (Sybase/Microsoft).</div>
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<pre>private final <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket</a> socket</pre>
<div class="block">The Shared network socket object.</div>
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<pre>private final <a href="../../../../net/sourceforge/jtds/jdbc/RequestStream.html" title="class in net.sourceforge.jtds.jdbc">RequestStream</a> out</pre>
<div class="block">The output server request stream.</div>
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<pre>private final <a href="../../../../net/sourceforge/jtds/jdbc/ResponseStream.html" title="class in net.sourceforge.jtds.jdbc">ResponseStream</a> in</pre>
<div class="block">The input server response stream.</div>
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<pre>private boolean endOfResponse</pre>
<div class="block">True if the server response is fully read.</div>
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<pre>private boolean endOfResults</pre>
<div class="block">True if the current result set is at end of file.</div>
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<pre>private <a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[] columns</pre>
<div class="block">The array of column meta data objects for this result set.</div>
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<pre>private <a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[] computedColumns</pre>
<div class="block">The array of column meta data objects for the computed columns of this result set.</div>
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<pre>private java.lang.Object[] rowData</pre>
<div class="block">The array of column data objects in the current row.</div>
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<pre>private java.lang.Object[] computedRowData</pre>
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<pre>private <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.TableMetaData.html" title="class in net.sourceforge.jtds.jdbc">TdsCore.TableMetaData</a>[] tables</pre>
<div class="block">The array of table names associated with this result.</div>
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<pre>private java.lang.Integer returnStatus</pre>
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<pre>private <a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters</pre>
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<pre>private int nextParam</pre>
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<pre>private final <a href="../../../../net/sourceforge/jtds/jdbc/SQLDiagnostic.html" title="class in net.sourceforge.jtds.jdbc">SQLDiagnostic</a> messages</pre>
<div class="block">The head of the diagnostic messages chain.</div>
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<pre>private boolean fatalError</pre>
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<div class="block">Mutual exclusion lock on connection.</div>
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<pre>private boolean cancelPending</pre>
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<pre>private final int[] cancelMonitor</pre>
<div class="block">Synchronization monitor for <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#cancelPending"><code>cancelPending</code></a>.</div>
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<pre>private boolean _ErrorReceived</pre>
<div class="block">flag set to <code>true</code> whenever a TDS_ERROR token is received</div>
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<pre>byte[] nonce</pre>
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<pre>byte[] ntlmTarget</pre>
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<pre>TdsCore(<a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a> connection,
<a href="../../../../net/sourceforge/jtds/jdbc/SQLDiagnostic.html" title="class in net.sourceforge.jtds.jdbc">SQLDiagnostic</a> messages)</pre>
<div class="block">Construct a TdsCore object.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>connection</code> - The connection which owns this object.</dd><dd><code>messages</code> - The SQLDiagnostic messages chain.</dd></dl>
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<pre>private void checkOpen()
throws java.sql.SQLException</pre>
<div class="block">Check that the connection is still open.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if the connection is closed</dd></dl>
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<pre>int getTdsVersion()</pre>
<div class="block">Retrieve the TDS protocol version.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The protocol version as an <code>int</code>.</dd></dl>
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<pre><a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[] getColumns()</pre>
<div class="block">Retrieve the current result set column descriptors.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The column descriptors as a <code>ColInfo[]</code>.</dd></dl>
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<pre>void setColumns(<a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[] columns)</pre>
<div class="block">Sets the column meta data.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>columns</code> - the column descriptor array</dd></dl>
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<pre><a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] getParameters()</pre>
<div class="block">Retrieve the parameter meta data from a Sybase prepare.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The parameter descriptors as a <code>ParamInfo[]</code>.</dd></dl>
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<pre>java.lang.Object[] getRowData()</pre>
<div class="block">Retrieve the current result set data items.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the row data as an <code>Object</code> array</dd></dl>
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<pre>void negotiateSSL(java.lang.String instance,
java.lang.String ssl)
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Negotiate SSL settings with SQL 2000+ server.
<p/>
Server returns the following values for SSL mode:
<ol>
<ll>0 = Certificate installed encrypt login packet only.
<li>1 = Certificate installed client requests force encryption.
<li>2 = No certificate no encryption possible.
<li>3 = Server requests force encryption.
</ol></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>instance</code> - The server instance name.</dd><dd><code>ssl</code> - The SSL URL property value.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
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</ul>
<a name="login(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">
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<pre>void login(java.lang.String serverName,
java.lang.String database,
java.lang.String user,
java.lang.String password,
java.lang.String domain,
java.lang.String charset,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
java.lang.String macAddress,
int packetSize)
throws java.sql.SQLException</pre>
<div class="block">Login to the SQL Server.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>serverName</code> - server host name</dd><dd><code>database</code> - required database</dd><dd><code>user</code> - user name</dd><dd><code>password</code> - user password</dd><dd><code>domain</code> - Windows NT domain (or null)</dd><dd><code>charset</code> - required server character set</dd><dd><code>appName</code> - application name</dd><dd><code>progName</code> - library name</dd><dd><code>wsid</code> - workstation ID</dd><dd><code>language</code> - language to use for server messages</dd><dd><code>macAddress</code> - client network MAC address</dd><dd><code>packetSize</code> - required network packet size</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an error occurs</dd></dl>
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<pre>boolean getMoreResults()
throws java.sql.SQLException</pre>
<div class="block">Get the next result set or update count from the TDS stream.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>true</code> if the next item is a result set.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an I/O or protocol error occurs; server errors
are queued up and not thrown</dd></dl>
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<pre>boolean isResultSet()</pre>
<div class="block">Retrieve the status of the next result item.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>boolean</code> true if the next item is a result set.</dd></dl>
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<pre>boolean isRowData()</pre>
<div class="block">Retrieve the status of the next result item.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>boolean</code> true if the next item is row data.</dd></dl>
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<pre>boolean isUpdateCount()</pre>
<div class="block">Retrieve the status of the next result item.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>boolean</code> true if the next item is an update count.</dd></dl>
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<pre>int getUpdateCount()</pre>
<div class="block">Retrieve the update count from the current TDS token.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The update count as an <code>int</code>.</dd></dl>
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<pre>boolean isEndOfResponse()</pre>
<div class="block">Retrieve the status of the response stream.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>boolean</code> true if the response has been entirely consumed</dd></dl>
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<pre>void clearResponseQueue()
throws java.sql.SQLException</pre>
<div class="block">Empty the server response queue.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an error occurs</dd></dl>
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<pre>void consumeOneResponse()
throws java.sql.SQLException</pre>
<div class="block">Consume packets from the server response queue up to (and including) the
first response terminator.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an I/O or protocol error occurs; server errors
are queued up and not thrown</dd></dl>
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<a name="getNextRow()">
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<h4>getNextRow</h4>
<pre>boolean getNextRow()
throws java.sql.SQLException</pre>
<div class="block">Retrieve the next data row from the result set.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>false</code> if at the end of results, <code>true</code>
otherwise</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an I/O or protocol error occurs; server errors
are queued up and not thrown</dd></dl>
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<pre>boolean isDataInResultSet()
throws java.sql.SQLException</pre>
<div class="block"><p> Retrieve the status of result set. </p>
<p> This does a quick read ahead and is needed to support method <a href="../../../../net/sourceforge/jtds/jdbc/JtdsResultSet.html#isLast()"><code>JtdsResultSet.isLast()</code></a>. </p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>true</code> if there is more data in the result set</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code></dd></dl>
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<pre>java.lang.Integer getReturnStatus()</pre>
<div class="block">Retrieve the return status for the current stored procedure.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The return status as an <code>Integer</code>.</dd></dl>
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<pre>void closeConnection()</pre>
<div class="block">Inform the server that this connection is closing.
<p>
Used by Sybase a no-op for Microsoft.</div>
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<h4>close</h4>
<pre>void close()
throws java.sql.SQLException</pre>
<div class="block">Close the <code>TdsCore</code> connection object and associated streams.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code></dd></dl>
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<pre>void cancel(boolean timeout)</pre>
<div class="block">Send (only) one cancel packet to the server.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - true if this is a query timeout cancel</dd></dl>
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<pre>void submitSQL(java.lang.String sql)
throws java.sql.SQLException</pre>
<div class="block">Submit a simple SQL statement to the server and process all output.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sql</code> - the statement to execute</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an error is returned by the server</dd></dl>
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<pre>void startBatch()</pre>
<div class="block">Notifies the <code>TdsCore</code> that a batch is starting. This is so
that it knows to use <code>sp_executesql</code> for parameterized
queries (because there's no way to prepare a statement in the middle of
a batch).
<p>
Sets the <a href="../../../../net/sourceforge/jtds/jdbc/TdsCore.html#inBatch"><code>inBatch</code></a> flag.</div>
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<pre>void executeSQL(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters,
boolean noMetaData,
int timeOut,
int maxRows,
int maxFieldSize,
boolean sendNow)
throws java.sql.SQLException</pre>
<div class="block">Send an SQL statement with optional parameters to the server.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sql</code> - SQL statement to execute</dd><dd><code>procName</code> - stored procedure to execute or <code>null</code></dd><dd><code>parameters</code> - parameters for call or null</dd><dd><code>noMetaData</code> - suppress meta data for cursor calls</dd><dd><code>timeOut</code> - optional query timeout or 0</dd><dd><code>maxRows</code> - the maximum number of data rows to return (-1 to
leave unaltered)</dd><dd><code>maxFieldSize</code> - the maximum number of bytes in a column to return
(-1 to leave unaltered)</dd><dd><code>sendNow</code> - whether to send the request now or not</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an error occurs</dd></dl>
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<pre>java.lang.String microsoftPrepare(java.lang.String sql,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] params,
boolean needCursor,
int resultSetType,
int resultSetConcurrency)
throws java.sql.SQLException</pre>
<div class="block">Prepares the SQL for use with Microsoft server.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sql</code> - the SQL statement to prepare.</dd><dd><code>params</code> - the actual parameter list</dd><dd><code>needCursor</code> - true if a cursorprepare is required</dd><dd><code>resultSetType</code> - value of the resultSetType parameter when
the Statement was created</dd><dd><code>resultSetConcurrency</code> - value of the resultSetConcurrency parameter
whenthe Statement was created</dd>
<dt><span class="strong">Returns:</span></dt><dd>name of the procedure or prepared statement handle.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code></dd></dl>
</li>
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<pre>java.lang.String sybasePrepare(java.lang.String sql,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] params)
throws java.sql.SQLException</pre>
<div class="block">Creates a light weight stored procedure on a Sybase server.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sql</code> - SQL statement to prepare</dd><dd><code>params</code> - the actual parameter list</dd>
<dt><span class="strong">Returns:</span></dt><dd>name of the procedure</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an error occurs</dd></dl>
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<pre>void sybaseUnPrepare(java.lang.String procName)
throws java.sql.SQLException</pre>
<div class="block">Drops a Sybase temporary stored procedure.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>procName</code> - the temporary procedure name</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an error occurs</dd></dl>
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<pre>byte[] enlistConnection(int type,
byte[] oleTranID)
throws java.sql.SQLException</pre>
<div class="block">Enlist the current connection in a distributed transaction or request the location of the
MSDTC instance controlling the server we are connected to.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - set to 0 to request TM address or 1 to enlist connection</dd><dd><code>oleTranID</code> - the 40 OLE transaction ID</dd>
<dt><span class="strong">Returns:</span></dt><dd>a <code>byte[]</code> array containing the TM address data</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code></dd></dl>
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<h4>getBatchCounts</h4>
<pre>java.sql.SQLException getBatchCounts(java.util.ArrayList counts,
java.sql.SQLException sqlEx)
throws java.sql.SQLException</pre>
<div class="block">Obtain the counts from a batch of SQL updates.
<p/>
If an error occurs Sybase will continue processing a batch consisting of
TDS_LANGUAGE records whilst SQL Server will usually stop after the first
error except when the error is caused by a duplicate key.
Sybase will also stop after the first error when executing RPC calls.
Care is taken to ensure that <code>SQLException</code>s are chained
because there could be several errors reported in a batch.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>counts</code> - the <code>ArrayList</code> containing the update counts</dd><dd><code>sqlEx</code> - any previous <code>SQLException</code>(s) encountered</dd>
<dt><span class="strong">Returns:</span></dt><dd>updated <code>SQLException</code> or <code>null</code> if no
error has yet occurred</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if the connection is closed</dd></dl>
</li>
</ul>
<a name="getComputedColumns()">
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</a>
<ul class="blockList">
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<h4>getComputedColumns</h4>
<pre><a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc">ColInfo</a>[] getComputedColumns()</pre>
<div class="block"><p> Retrieve the current computed result set column descriptors, if any.
</p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>column descriptors for the computed columns as <a href="../../../../net/sourceforge/jtds/jdbc/ColInfo.html" title="class in net.sourceforge.jtds.jdbc"><code>ColInfo</code></a> array;
or <code>null</code> if there are no computed columns</dd></dl>
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<pre>java.lang.Object[] getComputedRowData()</pre>
<div class="block"><p> Retrieve <b>and clear</b> the current computed result set data items,
if any. </p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the row data for the computed columns as an <code>Object</code> array; or
<code>null</code> if there are no computed columns, computed data has not
yet been received, or the data has already been cleared by a previous
call to this method</dd></dl>
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<ul class="blockList">
<li class="blockList">
<h4>putLoginString</h4>
<pre>private void putLoginString(java.lang.String txt,
int len)
throws java.io.IOException</pre>
<div class="block">Write a TDS login packet string. Text followed by padding followed
by a byte sized length.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="sendPreLoginPacket(java.lang.String, boolean)">
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<h4>sendPreLoginPacket</h4>
<pre>private void sendPreLoginPacket(java.lang.String instance,
boolean forceEncryption)
throws java.io.IOException</pre>
<div class="block">Send the SQL Server 2000 pre login packet.
<p>Packet contains; netlib version, ssl mode, instance
and process ID.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>instance</code> - </dd><dd><code>forceEncryption</code> - </dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="readPreLoginPacket()">
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<h4>readPreLoginPacket</h4>
<pre>private int readPreLoginPacket()
throws java.io.IOException</pre>
<div class="block">Process the pre login acknowledgment from the server.
<p>Packet contains; server version no, SSL mode, instance name
and process id.
<p>Server returns the following values for SSL mode:
<ol>
<ll>0 = Certificate installed encrypt login packet only.
<li>1 = Certificate installed client requests force encryption.
<li>2 = No certificate no encryption possible.
<li>3 = Server requests force encryption.
</ol></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The server side SSL mode.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="send42LoginPkt(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">
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<h4>send42LoginPkt</h4>
<pre>private void send42LoginPkt(java.lang.String serverName,
java.lang.String user,
java.lang.String password,
java.lang.String charset,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
int packetSize)
throws java.io.IOException</pre>
<div class="block">TDS 4.2 Login Packet.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>serverName</code> - server host name</dd><dd><code>user</code> - user name</dd><dd><code>password</code> - user password</dd><dd><code>charset</code> - required server character set</dd><dd><code>appName</code> - application name</dd><dd><code>progName</code> - program name</dd><dd><code>wsid</code> - workstation ID</dd><dd><code>language</code> - server language for messages</dd><dd><code>packetSize</code> - required network packet size</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd></dl>
</li>
</ul>
<a name="send50LoginPkt(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">
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<h4>send50LoginPkt</h4>
<pre>private void send50LoginPkt(java.lang.String serverName,
java.lang.String user,
java.lang.String password,
java.lang.String charset,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
int packetSize)
throws java.io.IOException</pre>
<div class="block">TDS 5.0 Login Packet.
<P></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>serverName</code> - server host name</dd><dd><code>user</code> - user name</dd><dd><code>password</code> - user password</dd><dd><code>charset</code> - required server character set</dd><dd><code>appName</code> - application name</dd><dd><code>progName</code> - library name</dd><dd><code>wsid</code> - workstation ID</dd><dd><code>language</code> - server language for messages</dd><dd><code>packetSize</code> - required network packet size</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd></dl>
</li>
</ul>
<a name="sendMSLoginPkt(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int)">
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<h4>sendMSLoginPkt</h4>
<pre>private void sendMSLoginPkt(java.lang.String serverName,
java.lang.String database,
java.lang.String user,
java.lang.String password,
java.lang.String domain,
java.lang.String appName,
java.lang.String progName,
java.lang.String wsid,
java.lang.String language,
java.lang.String macAddress,
int netPacketSize)
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Send a TDS 7 login packet.
<p>
This method incorporates the Windows single sign on code contributed by
Magendran Sathaiah. To invoke single sign on just leave the user name
blank or null. NB. This can only work if the driver is being executed on
a Windows PC and <code>ntlmauth.dll</code> is on the path.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>serverName</code> - server host name</dd><dd><code>database</code> - required database</dd><dd><code>user</code> - user name</dd><dd><code>password</code> - user password</dd><dd><code>domain</code> - Windows NT domain (or <code>null</code>)</dd><dd><code>appName</code> - application name</dd><dd><code>progName</code> - program name</dd><dd><code>wsid</code> - workstation ID</dd><dd><code>language</code> - server language for messages</dd><dd><code>macAddress</code> - client network MAC address</dd><dd><code>netPacketSize</code> - TDS packet size to use</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd>
<dd><code>java.sql.SQLException</code></dd></dl>
</li>
</ul>
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<h4>tdsGssToken</h4>
<pre>private void tdsGssToken()
throws java.io.IOException</pre>
<div class="block">Receive a GSS token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="sendGssToken()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>sendGssToken</h4>
<pre>private void sendGssToken()
throws java.io.IOException</pre>
<div class="block">Send the next GSS authentication token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="sendNtlmChallengeResponse(java.lang.String, java.lang.String, java.lang.String)">
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<h4>sendNtlmChallengeResponse</h4>
<pre>private void sendNtlmChallengeResponse(java.lang.String user,
java.lang.String password,
java.lang.String domain)
throws java.io.IOException</pre>
<div class="block">Send the response to the NTLM authentication challenge.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>nonce</code> - The secret to hash with password.</dd><dd><code>user</code> - The user name.</dd><dd><code>password</code> - The user password.</dd><dd><code>domain</code> - The Windows NT Dommain.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="nextToken()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>nextToken</h4>
<pre>private void nextToken()
throws java.sql.SQLException</pre>
<div class="block">Read the next TDS token from the response stream.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an I/O or protocol error occurs</dd></dl>
</li>
</ul>
<a name="tdsInvalidToken()">
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</a>
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<pre>private void tdsInvalidToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Report unsupported TDS token in input stream.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
</li>
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<a name="tds5ParamFmt2Token()">
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<h4>tds5ParamFmt2Token</h4>
<pre>private void tds5ParamFmt2Token()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process TDS 5 Sybase 12+ Dynamic results parameter descriptor.
<p>When returning output parameters this token will be followed
by a TDS5_PARAMS_TOKEN with the actual data.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
</li>
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<a name="tds5WideResultToken()">
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</a>
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<li class="blockList">
<h4>tds5WideResultToken</h4>
<pre>private void tds5WideResultToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process Sybase 12+ wide result token which provides enhanced
column meta data.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
</li>
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<a name="tdsReturnStatusToken()">
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<li class="blockList">
<h4>tdsReturnStatusToken</h4>
<pre>private void tdsReturnStatusToken()
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Process stored procedure return status token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
</li>
</ul>
<a name="tdsProcIdToken()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>tdsProcIdToken</h4>
<pre>private void tdsProcIdToken()
throws java.io.IOException</pre>
<div class="block">Process procedure ID token.
<p>
Used by DBLIB to obtain the object id of a stored procedure.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tdsOffsetsToken()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>tdsOffsetsToken</h4>
<pre>private void tdsOffsetsToken()
throws java.io.IOException</pre>
<div class="block">Process offsets token.
<p>
Used by DBLIB to return the offset of various keywords in a statement.
This saves the client from having to parse a SQL statement. Enabled with
<code>"set offsets from on"</code>.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tds7ResultToken()">
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</a>
<ul class="blockList">
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<h4>tds7ResultToken</h4>
<pre>private void tds7ResultToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a>,
java.sql.SQLException</pre>
<div class="block">Process a TDS 7.0 result set token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
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<ul class="blockList">
<li class="blockList">
<h4>tds4ColNamesToken</h4>
<pre>private void tds4ColNamesToken()
throws java.io.IOException</pre>
<div class="block">Process a TDS 4.2 column names token.
<p>
Note: Will be followed by a COL_FMT token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tds4ColFormatToken()">
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<ul class="blockList">
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<pre>private void tds4ColFormatToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process a TDS 4.2 column format token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<a name="tdsTableNameToken()">
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<pre>private void tdsTableNameToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process a table name token.
<p> Sent by select for browse or cursor functions.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<pre>private void tdsColumnInfoToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process a column infomation token.
<p>Sent by select for browse or cursor functions.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<li class="blockList">
<h4>tdsOrderByToken</h4>
<pre>private void tdsOrderByToken()
throws java.io.IOException</pre>
<div class="block">Process an order by token.
<p>Sent to describe columns in an order by clause.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tdsErrorToken()">
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</a>
<ul class="blockList">
<li class="blockList">
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<pre>private void tdsErrorToken()
throws java.io.IOException</pre>
<div class="block">Process a TD4/TDS7 error or informational message.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tdsOutputParamToken()">
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</a>
<ul class="blockList">
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<h4>tdsOutputParamToken</h4>
<pre>private void tdsOutputParamToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a>,
java.sql.SQLException</pre>
<div class="block">Process output parameters.
</p>
Normally the output parameters are preceded by a TDS type 79
(procedure return value) record; however there are at least two
situations with TDS version 8 where this is not the case:
<ol>
<li>For the return value of a SQL 2000+ user defined function.</li>
<li>For a remote procedure call (server.database.user.procname) where
the 79 record is only sent if a result set is also returned by the remote
procedure. In this case the 79 record just acts as marker for the start of
the output parameters. The actual return value is in an output param token.</li>
</ol>
Output parameters are distinguished from procedure return values by the value of
a byte that immediately follows the parameter name. A value of 1 seems to indicate
a normal output parameter while a value of 2 indicates a procedure return value.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
</li>
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<a name="tdsLoginAckToken()">
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<pre>private void tdsLoginAckToken()
throws java.io.IOException</pre>
<div class="block">Process a login acknowledgement packet.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tdsControlToken()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>tdsControlToken</h4>
<pre>private void tdsControlToken()
throws java.io.IOException</pre>
<div class="block">Process a control token (function unknown).</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tdsRowToken()">
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</a>
<ul class="blockList">
<li class="blockList">
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<pre>private void tdsRowToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process a row data token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<pre>private void tds5ParamsToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a>,
java.sql.SQLException</pre>
<div class="block">Process TDS 5.0 Params Token.
Stored procedure output parameters or data returned in parameter format
after a TDS Dynamic packet or as extended error information.
<p>The type of the preceding token is inspected to determine if this packet
contains output parameter result data. A TDS5_PARAMFMT2_TOKEN is sent before
this one in Sybase 12 to introduce output parameter results.
A TDS5_PARAMFMT_TOKEN is sent before this one to introduce extended error
information.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
</li>
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<pre>private void tdsCapabilityToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Processes a TDS 5.0 capability token.
<p>
Sent after login to describe the server's capabilities.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<h4>tdsEnvChangeToken</h4>
<pre>private void tdsEnvChangeToken()
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Process an environment change packet.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
</li>
</ul>
<a name="tds5ErrorToken()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>tds5ErrorToken</h4>
<pre>private void tds5ErrorToken()
throws java.io.IOException</pre>
<div class="block">Process a TDS 5 error or informational message.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tds5DynamicToken()">
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</a>
<ul class="blockList">
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<h4>tds5DynamicToken</h4>
<pre>private void tds5DynamicToken()
throws java.io.IOException</pre>
<div class="block">Process TDS5 dynamic SQL aknowledgements.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="tds5ParamFmtToken()">
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<ul class="blockList">
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<h4>tds5ParamFmtToken</h4>
<pre>private void tds5ParamFmtToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process TDS 5 Dynamic results parameter descriptors.
<p>
With Sybase 12+ this has been superseded by the TDS5_PARAMFMT2_TOKEN
except when used to return extended error information.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<pre>private void tdsNtlmAuthToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process a NTLM Authentication challenge.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<ul class="blockList">
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<h4>getIntFromBuffer</h4>
<pre>private static int getIntFromBuffer(byte[] buf,
int offset)</pre>
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<a name="getShortFromBuffer(byte[], int)">
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<ul class="blockList">
<li class="blockList">
<h4>getShortFromBuffer</h4>
<pre>private static int getShortFromBuffer(byte[] buf,
int offset)</pre>
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<ul class="blockList">
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<h4>tds5ResultToken</h4>
<pre>private void tds5ResultToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block">Process a TDS 5.0 result set packet.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<h4>tdsDoneToken</h4>
<pre>private void tdsDoneToken()
throws java.io.IOException</pre>
<div class="block">Process a DONE, DONEINPROC or DONEPROC token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="executeSQL42(java.lang.String, java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[], boolean, boolean)">
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<h4>executeSQL42</h4>
<pre>private void executeSQL42(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters,
boolean noMetaData,
boolean sendNow)
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Execute SQL using TDS 4.2 protocol.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sql</code> - The SQL statement to execute.</dd><dd><code>procName</code> - Stored procedure to execute or null.</dd><dd><code>parameters</code> - Parameters for call or null.</dd><dd><code>noMetaData</code> - Suppress meta data for cursor calls.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code></dd>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="executeSQL50(java.lang.String, java.lang.String, net.sourceforge.jtds.jdbc.ParamInfo[])">
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<ul class="blockList">
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<h4>executeSQL50</h4>
<pre>private void executeSQL50(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters)
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Execute SQL using TDS 5.0 protocol.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sql</code> - The SQL statement to execute.</dd><dd><code>procName</code> - Stored procedure to execute or null.</dd><dd><code>parameters</code> - Parameters for call or null.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code></dd>
<dd><code>java.io.IOException</code></dd></dl>
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</ul>
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<h4>isPreparedProcedureName</h4>
<pre>public static boolean isPreparedProcedureName(java.lang.String procName)</pre>
<div class="block">Returns <code>true</code> if the specified <code>procName</code>
is a sp_prepare or sp_prepexec handle; returns <code>false</code>
otherwise.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>procName</code> - Stored procedure to execute or <code>null</code>.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>true</code> if the specified <code>procName</code>
is a sp_prepare or sp_prepexec handle; <code>false</code>
otherwise.</dd></dl>
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</ul>
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<h4>executeSQL70</h4>
<pre>private void executeSQL70(java.lang.String sql,
java.lang.String procName,
<a href="../../../../net/sourceforge/jtds/jdbc/ParamInfo.html" title="class in net.sourceforge.jtds.jdbc">ParamInfo</a>[] parameters,
boolean noMetaData,
boolean sendNow)
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Execute SQL using TDS 7.0 protocol.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sql</code> - The SQL statement to execute.</dd><dd><code>procName</code> - Stored procedure to execute or <code>null</code>.</dd><dd><code>parameters</code> - Parameters for call or <code>null</code>.</dd><dd><code>noMetaData</code> - Suppress meta data for cursor calls.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code></dd>
<dd><code>java.io.IOException</code></dd></dl>
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</ul>
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<pre>private void setRowCountAndTextSize(int rowCount,
int textSize)
throws java.sql.SQLException</pre>
<div class="block">Sets the server row count (to limit the number of rows in a result set)
and text size (to limit the size of returned TEXT/NTEXT fields).</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>rowCount</code> - the number of rows to return or 0 for no limit or -1 to
leave as is</dd><dd><code>textSize</code> - the maximum number of bytes in a TEXT column to return
or -1 to leave as is</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.sql.SQLException</code> - if an error is returned by the server</dd></dl>
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<h4>wait</h4>
<pre>private void wait(int timeOut)
throws java.io.IOException,
java.sql.SQLException</pre>
<div class="block">Waits for the first byte of the server response.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeOut</code> - the timeout period in seconds or 0</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
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<h4>cleanUp</h4>
<pre>public void cleanUp()</pre>
<div class="block">Releases parameter and result set data and metadata to free up memory.
<p/>
This is useful before the <code>TdsCore</code> is cached for reuse.</div>
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<h4>getMessages</h4>
<pre>public <a href="../../../../net/sourceforge/jtds/jdbc/SQLDiagnostic.html" title="class in net.sourceforge.jtds.jdbc">SQLDiagnostic</a> getMessages()</pre>
<div class="block">Returns the diagnostic chain for this instance.</div>
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<h4>getMACAddress</h4>
<pre>private static byte[] getMACAddress(java.lang.String macString)</pre>
<div class="block">Converts a user supplied MAC address into a byte array.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>macString</code> - the MAC address as a hex string</dd>
<dt><span class="strong">Returns:</span></dt><dd>the MAC address as a <code>byte[]</code></dd></dl>
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<pre>private static java.lang.String getHostName()</pre>
<div class="block">Tries to figure out what client name we should identify ourselves as.
Gets the hostname of this machine,</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>name to use as the client</dd></dl>
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<pre>private static java.lang.String tds7CryptPass(java.lang.String pw)</pre>
<div class="block">A <B>very</B> poor man's "encryption".</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>pw</code> - password to encrypt</dd>
<dt><span class="strong">Returns:</span></dt><dd>encrypted password</dd></dl>
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<pre>private void tdsComputedResultToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></pre>
<div class="block"><p> Process meta data for the computed result set complementing the
current result set. </p></div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd></dl>
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<a name="tdsComputedRowToken()">
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<ul class="blockList">
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<h4>tdsComputedRowToken</h4>
<pre>private void tdsComputedRowToken()
throws java.io.IOException,
<a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a>,
java.sql.SQLException</pre>
<div class="block"><p> Process computed row data. </p></div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../net/sourceforge/jtds/jdbc/ProtocolException.html" title="class in net.sourceforge.jtds.jdbc">ProtocolException</a></code></dd>
<dd><code>java.sql.SQLException</code></dd></dl>
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<h4>isWindowsOS</h4>
<pre>static boolean isWindowsOS()</pre>
<div class="block"><p> Checks whether the <code>os.name</code> system property contains
"windows". </p></div>
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<a name="createGssToken()">
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<h4>createGssToken</h4>
<pre>private byte[] createGssToken()
throws org.ietf.jgss.GSSException,
java.net.UnknownHostException</pre>
<div class="block">Initializes the GSS context and creates the initial token.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>org.ietf.jgss.GSSException</code></dd>
<dd><code>java.net.UnknownHostException</code></dd></dl>
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</li>
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