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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<sect1 xml:id="internals2.pdo.constants" xmlns="http://docbook.org/ns/docbook">
<title>Constants</title>
<table xml:id="internals2.pdo.table.attributes">
<title>Database and Statement Attributes Table</title>
<tgroup cols="2">
<colspec colname="c1" colwidth="3inch"/>
<colspec colname="c2" colwidth="2.7inch"/>
<tbody>
<row>
<entry>
<para>Attribute</para>
</entry>
<entry>
<para>Valid value(s)</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_AUTOCOMMIT</para>
</entry>
<entry>
<para>BOOL</para>
<para>TRUE if autocommit is set, FALSE otherwise. </para>
<para>dbh->auto_commit contains value. Processed by PDO directly.</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_PREFETCH</para>
</entry>
<entry>
<para>LONG</para>
<para>Value of the prefetch size in drivers that support it.</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_TIMEOUT</para>
</entry>
<entry>
<para>LONG</para>
<para>How long to wait for a db operation before timing out.</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_ERRMODE</para>
</entry>
<entry>
<para>LONG</para>
<para>Processed and handled by PDO</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_SERVER_VERSION</para>
</entry>
<entry>
<para>STRING</para>
<para>The <quote>human-readable</quote> string representing the
Server/Version this driver is currently connected to.</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_CLIENT_VERSION</para>
</entry>
<entry>
<para>STRING</para>
<para>The <quote>human-readable</quote> string representing the Client/Version this driver supports.</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_SERVER_INFO</para>
</entry>
<entry>
<para>STRING</para>
<para>The <quote>human-readable</quote> description of the Server.</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_CONNECTION_STATUS</para>
</entry>
<entry>
<para>LONG</para>
<para>Values not yet defined</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_CASE</para>
</entry>
<entry>
<para>LONG</para>
<para>Processed and handled by PDO.</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_CURSOR_NAME</para>
</entry>
<entry>
<para>STRING</para>
<para>
String representing the name for a database cursor for use in
<quote>where current in <name></quote> SQL statements.
</para>
</entry>
</row>
<row>
<entry>
<para>PDO_ATTR_CURSOR</para>
</entry>
<entry>
<para>LONG</para>
<variablelist>
<varlistentry>
<term>PDO_CURSOR_FWDONLY</term>
<listitem>
<para>Forward only cursor</para>
</listitem>
</varlistentry>
<varlistentry>
<term>PDO_CURSOR_SCROLL</term>
<listitem>
<para>Scrollable cursor</para>
</listitem>
</varlistentry>
</variablelist>
</entry>
</row>
</tbody>
</tgroup>
</table>
<para>
The values for the attributes above are all defined in terms of the Zend
API. The Zend API contains macros that can be used to convert a *zval to a
value. These macros are defined in the Zend header file, zend_API.h in the
Zend directory of your PHP build directory. Some of these attributes can be
used with the statement attribute handlers such as the PDO_ATTR_CURSOR and
PDO_ATTR_CURSOR_NAME. See the statement attribute handling functions for
more information.
</para>
</sect1>
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