php-doc-en/reference/ibm_db2/functions/db2-autocommit.xml

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<refentry xml:id="function.db2-autocommit" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>db2_autocommit</refname>
  <refpurpose>
   Returns or sets the AUTOCOMMIT state for a database connection
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>mixed</type><methodname>db2_autocommit</methodname>
   <methodparam><type>resource</type><parameter>connection</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>value</parameter></methodparam>
  </methodsynopsis>

  <para>
   Sets or gets the AUTOCOMMIT behavior of the specified connection resource.
  </para>

 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>connection</parameter></term>
     <listitem>
      <para>
       A valid database connection resource variable as returned from
       <function>db2_connect</function> or <function>db2_pconnect</function>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>value</parameter></term>
     <listitem>
      <para>
       One of the following constants: 
       <variablelist>
        <varlistentry>
         <term><literal>DB2_AUTOCOMMIT_OFF</literal></term>
         <listitem>
          <para>
           Turns AUTOCOMMIT off.
          </para>
         </listitem>
        </varlistentry>
        <varlistentry>
         <term><literal>DB2_AUTOCOMMIT_ON</literal></term>
         <listitem>
          <para>
           Turns AUTOCOMMIT on.
          </para>
         </listitem>
        </varlistentry>
       </variablelist>
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   When <function>db2_autocommit</function> receives only the
   <parameter>connection</parameter> parameter, it returns the current state
   of AUTOCOMMIT for the requested connection as an integer value. A value of
   0 indicates that AUTOCOMMIT is off, while a value of 1 indicates that
   AUTOCOMMIT is on.
  </para>
  <para>
   When <function>db2_autocommit</function> receives both the
   <parameter>connection</parameter> parameter and
   <parameter>autocommit</parameter> parameter, it attempts to set the
   AUTOCOMMIT state of the requested connection to the corresponding state.
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Retrieving the AUTOCOMMIT value for a connection</title>
    <para>
     In the following example, a connection which has been created with
     AUTOCOMMIT turned off is tested with the
     <function>db2_autocommit</function> function.
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF);
$conn = db2_connect($database, $user, $password, $options);
$ac = db2_autocommit($conn);
if ($ac == 0) {
    print "$ac -- AUTOCOMMIT is off.";
} else {
    print "$ac -- AUTOCOMMIT is on.";
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
0 -- AUTOCOMMIT is off.
]]>
    </screen>
   </example>
   <example>
    <title>Setting the AUTOCOMMIT value for a connection</title>
    <para>
     In the following example, a connection which was initially created with
     AUTOCOMMIT turned off has its behavior changed to turn AUTOCOMMIT on.
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF);
$conn = db2_connect($database, $user, $password, $options);

// Turn AUTOCOMMIT on
$rc = db2_autocommit($conn, DB2_AUTOCOMMIT_ON);
if ($rc) {
    print "Turning AUTOCOMMIT on succeeded.\n";
}

// Check AUTOCOMMIT state
$ac = db2_autocommit($conn);
if ($ac == 0) {
    print "$ac -- AUTOCOMMIT is off.";
} else {
    print "$ac -- AUTOCOMMIT is on.";
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Turning AUTOCOMMIT on succeeded.
1 -- AUTOCOMMIT is on.
]]>
    </screen>
   </example>

  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>db2_connect</function></member>
    <member><function>db2_pconnect</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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