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jTDS API: Class SQLParser
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net.sourceforge.jtds.jdbc</FONT>
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Class SQLParser</H2>
<PRE>
java.lang.Object
|
+--<B>net.sourceforge.jtds.jdbc.SQLParser</B>
</PRE>
<HR>
<DL>
<DT> class <B>SQLParser</B><DT>extends java.lang.Object</DL>
<P>
Process JDBC escape strings and parameter markers in the SQL string.
<p>
This code recognizes the following escapes:
<ol>
<li>Date {d 'yyyy-mm-dd'}
<li>Time {t 'hh:mm:ss'}
<li>Timestamp {ts 'yyyy-mm-dd hh:mm:ss.nnn'}
<li>ESCAPE {escape 'x'}
<li>Function {fn xxxx([arg,arg...])}
NB The concat(arg, arg) operator is converted to (arg + arg)
<li>OuterJoin {oj .....}
<li>Call {?=call proc [arg, arg...]}
or {call proc [arg, arg...]}
</ol>
Notes:
<ol>
<li>This code is designed to be as efficient as possible and as
result the validation done here is limited.
<li>SQL comments are parsed correctly thanks to code supplied by
Joel Fouse.
</ol>
<P>
<DL>
<DT><B>Version: </B><DD>$Id: SQLParser.java,v 1.29 2007/07/08 17:28:23 bheineman Exp $</DD>
<DT><B>Author: </B><DD>Mike Hutchinson</DD>
</DL>
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<CODE>private static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.CachedSQLQuery.html">SQLParser.CachedSQLQuery</A></B></CODE>
<BR>
Serialized version of a parsed SQL query (the value stored in the cache
for a parsed SQL).</TD>
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</TABLE>
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static <A HREF="../../../../net/sourceforge/jtds/jdbc/cache/SimpleLRUCache.html">SimpleLRUCache</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#cache">cache</A></B></CODE>
<BR>
LRU cache of previously parsed SQL</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private <A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#connection">connection</A></B></CODE>
<BR>
Connection object for server specific parsing.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static java.util.HashMap</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#cvMap">cvMap</A></B></CODE>
<BR>
Map of jdbc to server data types for convert</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#d">d</A></B></CODE>
<BR>
Current position in output buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#dateMask">dateMask</A></B></CODE>
<BR>
Syntax mask for date escape.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static java.util.HashMap</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#fnMap">fnMap</A></B></CODE>
<BR>
Map of jdbc to sybase function names.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static boolean[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#identifierChar">identifierChar</A></B></CODE>
<BR>
Lookup table to test if character is part of an identifier.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private char[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#in">in</A></B></CODE>
<BR>
Input buffer with SQL statement.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#keyWord">keyWord</A></B></CODE>
<BR>
First SQL keyword or identifier in statement.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#len">len</A></B></CODE>
<BR>
Length of input buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static java.util.HashMap</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#msFnMap">msFnMap</A></B></CODE>
<BR>
Map of jdbc to sql server function names.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private char[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#out">out</A></B></CODE>
<BR>
Output buffer to contain parsed SQL.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.util.ArrayList</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#params">params</A></B></CODE>
<BR>
Parameter list to be populated or <code>null</code> if no parameters
are expected.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#procName">procName</A></B></CODE>
<BR>
Procedure name in call escape.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#s">s</A></B></CODE>
<BR>
Current position in input buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#sql">sql</A></B></CODE>
<BR>
Original SQL string</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#tableName">tableName</A></B></CODE>
<BR>
First table name in from clause</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private char</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#terminator">terminator</A></B></CODE>
<BR>
Current expected terminator character.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#timeMask">timeMask</A></B></CODE>
<BR>
Syntax mask for time escape.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#timestampMask">timestampMask</A></B></CODE>
<BR>
Syntax mask for timestamp escape.</TD>
</TR>
</TABLE>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<CODE>private </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#SQLParser(java.lang.String, java.util.ArrayList, net.sourceforge.jtds.jdbc.ConnectionJDBC2)">SQLParser</A></B>(java.lang.String sqlIn,
java.util.ArrayList paramList,
<A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A> connection)</CODE>
<BR>
Constructs a new parser object to process the supplied SQL.</TD>
</TR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#<clinit>()"><clinit></A></B>()</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#callEscape()">callEscape</A></B>()</CODE>
<BR>
Processes the JDBC {call procedure [(?,?,?)]} type escape.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#copyKeyWord()">copyKeyWord</A></B>()</CODE>
<BR>
Copies over possible SQL keyword eg 'SELECT'</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#copyLiteral(java.lang.String)">copyLiteral</A></B>(java.lang.String txt)</CODE>
<BR>
Inserts a String literal in the output buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#copyParam(java.lang.String, int)">copyParam</A></B>(java.lang.String name,
int pos)</CODE>
<BR>
Builds a new parameter item.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#copyParamName()">copyParamName</A></B>()</CODE>
<BR>
Copies an embedded parameter name to the output buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#copyProcName()">copyProcName</A></B>()</CODE>
<BR>
Copies an embedded stored procedure identifier over to the output buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#copyString()">copyString</A></B>()</CODE>
<BR>
Copies over an embedded string literal unchanged.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#copyWhiteSpace()">copyWhiteSpace</A></B>()</CODE>
<BR>
Copies over white space.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#escape()">escape</A></B>()</CODE>
<BR>
Processes the JDBC escape sequences.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#functionEscape()">functionEscape</A></B>()</CODE>
<BR>
Processes the JDBC escape {fn function()}.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static <A HREF="../../../../net/sourceforge/jtds/jdbc/cache/SimpleLRUCache.html">SimpleLRUCache</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#getCache(net.sourceforge.jtds.jdbc.ConnectionJDBC2)">getCache</A></B>(<A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A> connection)</CODE>
<BR>
Retrieves the statement cache, creating it if required.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#getDateTimeField(byte[])">getDateTimeField</A></B>(byte[] mask)</CODE>
<BR>
Utility routine to validate date and time escapes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#getTableName()">getTableName</A></B>()</CODE>
<BR>
Extracts the first table name following the keyword FROM.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#isIdentifier(int)">isIdentifier</A></B>(int ch)</CODE>
<BR>
Determines if character could be part of an SQL identifier.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#likeEscape()">likeEscape</A></B>()</CODE>
<BR>
Processes the JDBC escape {escape 'X'}.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#mustbe(char, boolean)">mustbe</A></B>(char c,
boolean copy)</CODE>
<BR>
Checks that the next character is as expected.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#outerJoinEscape()">outerJoinEscape</A></B>()</CODE>
<BR>
Processes the JDBC escape {oj left outer join etc}.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) java.lang.String[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#parse(boolean)">parse</A></B>(boolean extractTable)</CODE>
<BR>
Parses the SQL statement processing JDBC escapes and parameter markers.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static java.lang.String[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#parse(java.lang.String, java.util.ArrayList, net.sourceforge.jtds.jdbc.ConnectionJDBC2, boolean)">parse</A></B>(java.lang.String sql,
java.util.ArrayList paramList,
<A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A> connection,
boolean extractTable)</CODE>
<BR>
Parse the SQL statement processing JDBC escapes and parameter markers.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#skipMultiComments()">skipMultiComments</A></B>()</CODE>
<BR>
Skips multi-line comments</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#skipSingleComments()">skipSingleComments</A></B>()</CODE>
<BR>
Skips single-line comments.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sourceforge/jtds/jdbc/SQLParser.html#skipWhiteSpace()">skipWhiteSpace</A></B>()</CODE>
<BR>
Skips embedded white space.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="cache"><!-- --></A><H3>
cache</H3>
<PRE>
private static <A HREF="../../../../net/sourceforge/jtds/jdbc/cache/SimpleLRUCache.html">SimpleLRUCache</A> <B>cache</B></PRE>
<DL>
<DD>LRU cache of previously parsed SQL</DL>
<HR>
<A NAME="sql"><!-- --></A><H3>
sql</H3>
<PRE>
private final java.lang.String <B>sql</B></PRE>
<DL>
<DD>Original SQL string</DL>
<HR>
<A NAME="in"><!-- --></A><H3>
in</H3>
<PRE>
private final char[] <B>in</B></PRE>
<DL>
<DD>Input buffer with SQL statement.</DL>
<HR>
<A NAME="s"><!-- --></A><H3>
s</H3>
<PRE>
private int <B>s</B></PRE>
<DL>
<DD>Current position in input buffer.</DL>
<HR>
<A NAME="len"><!-- --></A><H3>
len</H3>
<PRE>
private final int <B>len</B></PRE>
<DL>
<DD>Length of input buffer.</DL>
<HR>
<A NAME="out"><!-- --></A><H3>
out</H3>
<PRE>
private final char[] <B>out</B></PRE>
<DL>
<DD>Output buffer to contain parsed SQL.</DL>
<HR>
<A NAME="d"><!-- --></A><H3>
d</H3>
<PRE>
private int <B>d</B></PRE>
<DL>
<DD>Current position in output buffer.</DL>
<HR>
<A NAME="params"><!-- --></A><H3>
params</H3>
<PRE>
private final java.util.ArrayList <B>params</B></PRE>
<DL>
<DD>Parameter list to be populated or <code>null</code> if no parameters
are expected.</DL>
<HR>
<A NAME="terminator"><!-- --></A><H3>
terminator</H3>
<PRE>
private char <B>terminator</B></PRE>
<DL>
<DD>Current expected terminator character.</DL>
<HR>
<A NAME="procName"><!-- --></A><H3>
procName</H3>
<PRE>
private java.lang.String <B>procName</B></PRE>
<DL>
<DD>Procedure name in call escape.</DL>
<HR>
<A NAME="keyWord"><!-- --></A><H3>
keyWord</H3>
<PRE>
private java.lang.String <B>keyWord</B></PRE>
<DL>
<DD>First SQL keyword or identifier in statement.</DL>
<HR>
<A NAME="tableName"><!-- --></A><H3>
tableName</H3>
<PRE>
private java.lang.String <B>tableName</B></PRE>
<DL>
<DD>First table name in from clause</DL>
<HR>
<A NAME="connection"><!-- --></A><H3>
connection</H3>
<PRE>
private final <A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A> <B>connection</B></PRE>
<DL>
<DD>Connection object for server specific parsing.</DL>
<HR>
<A NAME="identifierChar"><!-- --></A><H3>
identifierChar</H3>
<PRE>
private static boolean[] <B>identifierChar</B></PRE>
<DL>
<DD>Lookup table to test if character is part of an identifier.</DL>
<HR>
<A NAME="timeMask"><!-- --></A><H3>
timeMask</H3>
<PRE>
private static final byte[] <B>timeMask</B></PRE>
<DL>
<DD>Syntax mask for time escape.</DL>
<HR>
<A NAME="dateMask"><!-- --></A><H3>
dateMask</H3>
<PRE>
private static final byte[] <B>dateMask</B></PRE>
<DL>
<DD>Syntax mask for date escape.</DL>
<HR>
<A NAME="timestampMask"><!-- --></A><H3>
timestampMask</H3>
<PRE>
static final byte[] <B>timestampMask</B></PRE>
<DL>
<DD>Syntax mask for timestamp escape.</DL>
<HR>
<A NAME="fnMap"><!-- --></A><H3>
fnMap</H3>
<PRE>
private static java.util.HashMap <B>fnMap</B></PRE>
<DL>
<DD>Map of jdbc to sybase function names.</DL>
<HR>
<A NAME="msFnMap"><!-- --></A><H3>
msFnMap</H3>
<PRE>
private static java.util.HashMap <B>msFnMap</B></PRE>
<DL>
<DD>Map of jdbc to sql server function names.</DL>
<HR>
<A NAME="cvMap"><!-- --></A><H3>
cvMap</H3>
<PRE>
private static java.util.HashMap <B>cvMap</B></PRE>
<DL>
<DD>Map of jdbc to server data types for convert</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="SQLParser(java.lang.String, java.util.ArrayList, net.sourceforge.jtds.jdbc.ConnectionJDBC2)"><!-- --></A><H3>
SQLParser</H3>
<PRE>
private <B>SQLParser</B>(java.lang.String sqlIn,
java.util.ArrayList paramList,
<A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A> connection)</PRE>
<DL>
<DD>Constructs a new parser object to process the supplied SQL.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sqlIn</CODE> - the SQL statement to parse<DD><CODE>paramList</CODE> - the parameter list array to populate or
<code>null</code> if no parameters are expected<DD><CODE>connection</CODE> - the parent Connection object</DL>
</DD>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="parse(java.lang.String, java.util.ArrayList, net.sourceforge.jtds.jdbc.ConnectionJDBC2, boolean)"><!-- --></A><H3>
parse</H3>
<PRE>
static java.lang.String[] <B>parse</B>(java.lang.String sql,
java.util.ArrayList paramList,
<A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A> connection,
boolean extractTable)
throws java.sql.SQLException</PRE>
<DL>
<DD>Parse the SQL statement processing JDBC escapes and parameter markers.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>extractTable</CODE> - true to return the first table name in the FROM clause of a select<DT><B>Returns:</B><DD>The processed SQL statement, any procedure name, the first SQL
keyword and (optionally) the first table name as
elements 0 1, 2 and 3 of the returned <code>String[]</code>.<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - if a parse error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="getCache(net.sourceforge.jtds.jdbc.ConnectionJDBC2)"><!-- --></A><H3>
getCache</H3>
<PRE>
private static <A HREF="../../../../net/sourceforge/jtds/jdbc/cache/SimpleLRUCache.html">SimpleLRUCache</A> <B>getCache</B>(<A HREF="../../../../net/sourceforge/jtds/jdbc/ConnectionJDBC2.html">ConnectionJDBC2</A> connection)</PRE>
<DL>
<DD>Retrieves the statement cache, creating it if required.<DD><DL>
<DT><B>Returns:</B><DD>the cache as a <code>SimpleLRUCache</code></DL>
</DD>
</DL>
<HR>
<A NAME="isIdentifier(int)"><!-- --></A><H3>
isIdentifier</H3>
<PRE>
private static boolean <B>isIdentifier</B>(int ch)</PRE>
<DL>
<DD>Determines if character could be part of an SQL identifier.
<p/>
Characters > 127 are assumed to be unicode letters in other
languages than english which is reasonable in this application.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ch</CODE> - the character to test.<DT><B>Returns:</B><DD><code>boolean</code> true if ch in A-Z a-z 0-9 @ $ # _.</DL>
</DD>
</DL>
<HR>
<A NAME="copyLiteral(java.lang.String)"><!-- --></A><H3>
copyLiteral</H3>
<PRE>
private void <B>copyLiteral</B>(java.lang.String txt)
throws java.sql.SQLException</PRE>
<DL>
<DD>Inserts a String literal in the output buffer.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>txt</CODE> - The text to insert.</DL>
</DD>
</DL>
<HR>
<A NAME="copyString()"><!-- --></A><H3>
copyString</H3>
<PRE>
private void <B>copyString</B>()</PRE>
<DL>
<DD>Copies over an embedded string literal unchanged.</DL>
<HR>
<A NAME="copyKeyWord()"><!-- --></A><H3>
copyKeyWord</H3>
<PRE>
private java.lang.String <B>copyKeyWord</B>()</PRE>
<DL>
<DD>Copies over possible SQL keyword eg 'SELECT'</DL>
<HR>
<A NAME="copyParam(java.lang.String, int)"><!-- --></A><H3>
copyParam</H3>
<PRE>
private void <B>copyParam</B>(java.lang.String name,
int pos)
throws java.sql.SQLException</PRE>
<DL>
<DD>Builds a new parameter item.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - Optional parameter name or null.<DD><CODE>pos</CODE> - The parameter marker position in the output buffer.</DL>
</DD>
</DL>
<HR>
<A NAME="copyProcName()"><!-- --></A><H3>
copyProcName</H3>
<PRE>
private java.lang.String <B>copyProcName</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Copies an embedded stored procedure identifier over to the output buffer.<DD><DL>
<DT><B>Returns:</B><DD>The identifier as a <code>String</code>.</DL>
</DD>
</DL>
<HR>
<A NAME="copyParamName()"><!-- --></A><H3>
copyParamName</H3>
<PRE>
private java.lang.String <B>copyParamName</B>()</PRE>
<DL>
<DD>Copies an embedded parameter name to the output buffer.<DD><DL>
<DT><B>Returns:</B><DD>The identifier as a <code>String</code>.</DL>
</DD>
</DL>
<HR>
<A NAME="copyWhiteSpace()"><!-- --></A><H3>
copyWhiteSpace</H3>
<PRE>
private void <B>copyWhiteSpace</B>()</PRE>
<DL>
<DD>Copies over white space.</DL>
<HR>
<A NAME="mustbe(char, boolean)"><!-- --></A><H3>
mustbe</H3>
<PRE>
private void <B>mustbe</B>(char c,
boolean copy)
throws java.sql.SQLException</PRE>
<DL>
<DD>Checks that the next character is as expected.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - The expected character.<DD><CODE>copy</CODE> - True if found character should be copied.<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - if expected characeter not found.</DL>
</DD>
</DL>
<HR>
<A NAME="skipWhiteSpace()"><!-- --></A><H3>
skipWhiteSpace</H3>
<PRE>
private void <B>skipWhiteSpace</B>()</PRE>
<DL>
<DD>Skips embedded white space.</DL>
<HR>
<A NAME="skipSingleComments()"><!-- --></A><H3>
skipSingleComments</H3>
<PRE>
private void <B>skipSingleComments</B>()</PRE>
<DL>
<DD>Skips single-line comments.</DL>
<HR>
<A NAME="skipMultiComments()"><!-- --></A><H3>
skipMultiComments</H3>
<PRE>
private void <B>skipMultiComments</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Skips multi-line comments</DL>
<HR>
<A NAME="callEscape()"><!-- --></A><H3>
callEscape</H3>
<PRE>
private void <B>callEscape</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Processes the JDBC {call procedure [(?,?,?)]} type escape.<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="getDateTimeField(byte[])"><!-- --></A><H3>
getDateTimeField</H3>
<PRE>
private boolean <B>getDateTimeField</B>(byte[] mask)
throws java.sql.SQLException</PRE>
<DL>
<DD>Utility routine to validate date and time escapes.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>mask</CODE> - The validation mask<DT><B>Returns:</B><DD>True if the escape was valid and processed OK.</DL>
</DD>
</DL>
<HR>
<A NAME="outerJoinEscape()"><!-- --></A><H3>
outerJoinEscape</H3>
<PRE>
private void <B>outerJoinEscape</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Processes the JDBC escape {oj left outer join etc}.<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - </DL>
</DD>
</DL>
<HR>
<A NAME="<clinit>()"><!-- --></A><H3>
<clinit></H3>
<PRE>
static void <B><clinit></B>()</PRE>
<DL>
</DL>
<HR>
<A NAME="functionEscape()"><!-- --></A><H3>
functionEscape</H3>
<PRE>
private void <B>functionEscape</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Processes the JDBC escape {fn function()}.<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - </DL>
</DD>
</DL>
<HR>
<A NAME="likeEscape()"><!-- --></A><H3>
likeEscape</H3>
<PRE>
private void <B>likeEscape</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Processes the JDBC escape {escape 'X'}.<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - </DL>
</DD>
</DL>
<HR>
<A NAME="escape()"><!-- --></A><H3>
escape</H3>
<PRE>
private void <B>escape</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Processes the JDBC escape sequences.<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - </DL>
</DD>
</DL>
<HR>
<A NAME="getTableName()"><!-- --></A><H3>
getTableName</H3>
<PRE>
private java.lang.String <B>getTableName</B>()
throws java.sql.SQLException</PRE>
<DL>
<DD>Extracts the first table name following the keyword FROM.<DD><DL>
<DT><B>Returns:</B><DD>the table name as a <code>String</code></DL>
</DD>
</DL>
<HR>
<A NAME="parse(boolean)"><!-- --></A><H3>
parse</H3>
<PRE>
java.lang.String[] <B>parse</B>(boolean extractTable)
throws java.sql.SQLException</PRE>
<DL>
<DD>Parses the SQL statement processing JDBC escapes and parameter markers.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>extractTable</CODE> - true to return the first table name in the FROM clause of a select<DT><B>Returns:</B><DD>The processed SQL statement, any procedure name, the first
SQL keyword and (optionally) the first table name as elements 0 1, 2 and 3 of the
returned <code>String[]</code>.<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - </DL>
</DD>
</DL>
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