php-doc-en/internals2/pdo/constants.xml

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<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-&gt;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 &lt;name&gt;</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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