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659 lines
22 KiB
XML
659 lines
22 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.30 $ -->
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<reference id="ref.oracle">
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<title>Oracle functions</title>
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<titleabbrev>Oracle</titleabbrev>
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<refentry id="function.ora-bind">
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<refnamediv>
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<refname>Ora_Bind</refname>
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<refpurpose>bind a PHP variable to an Oracle parameter</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_bind</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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<methodparam><type>string</type><parameter>PHP variable name</parameter></methodparam>
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<methodparam><type>string</type><parameter>SQL parameter name</parameter></methodparam>
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<methodparam><type>int</type><parameter>length</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>type</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; if the bind succeeds, otherwise &false;. Details
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about the error can be retrieved using the
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<function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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<para>
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This function binds the named PHP variable with a SQL parameter.
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The SQL parameter must be in the form ":name". With the optional
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type parameter, you can define whether the SQL parameter is an
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in/out (0, default), in (1) or out (2) parameter. As of PHP
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3.0.1, you can use the constants ORA_BIND_INOUT, ORA_BIND_IN and
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ORA_BIND_OUT instead of the numbers.
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</para>
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<para>
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ora_bind must be called after <function>ora_parse</function> and
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before <function>ora_exec</function>. Input values can be given
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by assignment to the bound PHP variables, after calling
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<function>ora_exec</function> the bound PHP variables contain the output
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values if available.
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<informalexample>
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<programlisting role="php">
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<![CDATA[
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<?php
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ora_parse($curs, "declare tmp INTEGER; begin tmp := :in; :out := tmp; :x := 7.77; end;");
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ora_bind($curs, "result", ":x", $len, 2);
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ora_bind($curs, "input", ":in", 5, 1);
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ora_bind($curs, "output", ":out", 5, 2);
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$input = 765;
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ora_exec($curs);
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echo "Result: $result<BR>Out: $output<BR>In: $input";
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?>
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]]>
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</programlisting>
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</informalexample>
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-close">
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<refnamediv>
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<refname>Ora_Close</refname>
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<refpurpose>close an Oracle cursor</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_close</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; if the close succeeds, otherwise &false;. Details
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about the error can be retrieved using the
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<function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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<para>
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This function closes a data cursor opened with
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<function>ora_open</function>.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-columnname">
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<refnamediv>
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<refname>Ora_ColumnName</refname>
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<refpurpose>get name of Oracle result column</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>Ora_ColumnName</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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<methodparam><type>int</type><parameter>column</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the name of the field/column
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<parameter>column</parameter> on the cursor
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<parameter>cursor</parameter>. The returned name is in all
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uppercase letters. Column 0 is the first column.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-columnsize">
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<refnamediv>
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<refname>Ora_ColumnSize</refname>
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<refpurpose>get size of Oracle result column</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>Ora_ColumnSize</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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<methodparam><type>int</type><parameter>column</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the size of the Oracle column
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<parameter>column</parameter> on the cursor
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<parameter>cursor</parameter>. Column 0 is the first column.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-columntype">
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<refnamediv>
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<refname>Ora_ColumnType</refname>
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<refpurpose>get type of Oracle result column</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>Ora_ColumnType</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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<methodparam><type>int</type><parameter>column</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the Oracle data type name of the field/column
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<parameter>column</parameter> on the cursor
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<parameter>cursor</parameter>. Column 0 is the first column. The returned
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type will be one of the following:
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<simplelist>
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<member><literal>"VARCHAR2"</literal></member>
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<member><literal>"VARCHAR"</literal></member>
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<member><literal>"CHAR"</literal></member>
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<member><literal>"NUMBER"</literal></member>
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<member><literal>"LONG"</literal></member>
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<member><literal>"LONG RAW"</literal></member>
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<member><literal>"ROWID"</literal></member>
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<member><literal>"DATE"</literal></member>
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<member><literal>"CURSOR"</literal></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-commit">
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<refnamediv>
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<refname>Ora_Commit</refname>
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<refpurpose>commit an Oracle transaction</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_commit</methodname>
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<methodparam><type>int</type><parameter>conn</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; on success, &false; on error. Details about the
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error can be retrieved using the <function>ora_error</function>
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and <function>ora_errorcode</function> functions.
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</para>
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<para>
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This function commits an Oracle transaction. A transaction is defined as
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all the changes on a given connection since the last commit/rollback,
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autocommit was turned off or when the connection was established.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-commitoff">
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<refnamediv>
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<refname>Ora_CommitOff</refname>
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<refpurpose>disable automatic commit</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_commitoff</methodname>
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<methodparam><type>int</type><parameter>conn</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; on success, &false; on error. Details about the error
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can be retrieved using the <function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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<para>
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This function turns off automatic commit after each
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<function>ora_exec</function>.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-commiton">
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<refnamediv>
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<refname>Ora_CommitOn</refname>
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<refpurpose>enable automatic commit</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_commiton</methodname>
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<methodparam><type>int</type><parameter>conn</parameter></methodparam>
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</methodsynopsis>
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<para>
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This function turns on automatic commit after each
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<function>ora_exec</function> on the given connection.
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</para>
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<para>
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Returns &true; on success, &false; on error. Details about the error
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can be retrieved using the <function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-do">
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<refnamediv>
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<refname>Ora_Do</refname>
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<refpurpose>Parse, Exec, Fetch</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_do</methodname>
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<methodparam><type>int</type><parameter>conn</parameter></methodparam>
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<methodparam><type>string</type><parameter>query</parameter></methodparam>
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</methodsynopsis>
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<para>
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This function is quick combination of <function>ora_parse</function>,
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<function>ora_exec</function> and <function>ora_fetch</function>.
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It will parse and execute a statement, then fetch the first result row.
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</para>
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<para>
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Returns &true; on success, &false; on error. Details about the error
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can be retrieved using the <function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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<para>
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See also <function>ora_parse</function>,<function>ora_exec</function>,
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and <function>ora_fetch</function>.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-error">
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<refnamediv>
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<refname>Ora_Error</refname>
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<refpurpose>get Oracle error message</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>Ora_Error</methodname>
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<methodparam><type>int</type><parameter>cursor_or_connection</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns an error message of the form
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<replaceable>XXX</replaceable>-<replaceable>NNNNN</replaceable>
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where <replaceable>XXX</replaceable> is where the error comes
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from and <replaceable>NNNNN</replaceable> identifies the error
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message.
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</para>
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<para>
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<note>
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<para>Support for connection ids was added in 3.0.4.</para>
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</note>
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</para>
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<para>
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On UNIX versions of Oracle, you can find details about an error
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message like this:
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<computeroutput>
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$ <userinput>oerr ora
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<replaceable>00001</replaceable></userinput> 00001, 00000,
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"unique constraint (%s.%s) violated" // *Cause: An update or insert
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statement attempted to insert a duplicate key // For Trusted
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ORACLE configured in DBMS MAC mode, you may see // this message
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if a duplicate entry exists at a different level. // *Action: Either
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remove the unique restriction or do not insert the key
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</computeroutput>
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-errorcode">
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<refnamediv>
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<refname>Ora_ErrorCode</refname>
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<refpurpose>get Oracle error code</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>Ora_ErrorCode</methodname>
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<methodparam><type>int</type><parameter>cursor_or_connection</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the numeric error code of the last executed statement on
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the specified cursor or connection.
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<!-- FIXME: should possible values be listed? -->
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<note>
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<para>Support for connection ids was added in 3.0.4.</para>
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</note>
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-exec">
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<refnamediv>
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<refname>Ora_Exec</refname>
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<refpurpose>execute parsed statement on an Oracle cursor</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_exec</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; on success, &false; on error. Details about the error
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can be retrieved using the <function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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<simpara>
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See also <function>ora_parse</function>,
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<function>ora_fetch</function>, and <function>ora_do</function>.
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</simpara>
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</refsect1>
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</refentry>
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<refentry id="function.ora-fetch">
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<refnamediv>
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<refname>Ora_Fetch</refname>
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<refpurpose>fetch a row of data from a cursor</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_fetch</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; (a row was fetched) or &false; (no more rows, or an
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error occured). If an error occured, details can be retrieved
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using the <function>ora_error</function> and
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<function>ora_errorcode</function> functions. If there was no
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error, <function>ora_errorcode</function> will return 0.
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</para>
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<para>
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Retrieves a row of data from the specified cursor.
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</para>
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<simpara>
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See also <function>ora_parse</function>,<function>ora_exec</function>,
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and <function>ora_do</function>.
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</simpara>
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</refsect1>
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</refentry>
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<refentry id="function.ora-fetch-into">
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<refnamediv>
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<refname>Ora_Fetch_Into</refname>
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<refpurpose>Fetch a row into the specified result array</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_fetch_into</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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<methodparam><type>array</type><parameter>result</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>
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flags
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</parameter></methodparam>
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</methodsynopsis>
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<para>
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You can fetch a row into an array with this function.
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<example>
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<title>Oracle fetch into array</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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array($results);
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ora_fetch_into($cursor, &$results);
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echo $results[0];
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echo $results[1];
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?>
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]]>
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</programlisting>
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</example>
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Note that you need to fetch the array by reference.
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</para>
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<simpara>
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See also <function>ora_parse</function>,<function>ora_exec</function>,
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<function>ora_fetch</function>, and <function>ora_do</function>.
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</simpara>
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</refsect1>
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</refentry>
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<refentry id="function.ora-getcolumn">
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<refnamediv>
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<refname>Ora_GetColumn</refname>
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<refpurpose>get data from a fetched column</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>mixed</type><methodname>ora_getcolumn</methodname>
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<methodparam><type>int</type><parameter>cursor</parameter></methodparam>
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<methodparam><type>mixed</type><parameter>column</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the column data. If an error occurs, &false; is returned
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and <function>ora_errorcode</function>
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will return a non-zero value. Note, however, that a test for &false;
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on the results from this function may be &true; in cases where there is
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not error as well (&null; result, empty string, the number 0, the
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string "0").
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</para>
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<para>
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Fetches the data for a column or function result.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-logoff">
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<refnamediv>
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<refname>Ora_Logoff</refname>
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<refpurpose>close an Oracle connection</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_logoff</methodname>
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<methodparam><type>int</type><parameter>connection</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; on success, &false; on error. Details about the error
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can be retrieved using the <function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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<para>
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Logs out the user and disconnects from the server.
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</para>
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<simpara>
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See also <function>ora_logon</function>.
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</simpara>
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</refsect1>
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</refentry>
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<refentry id="function.ora-logon">
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<refnamediv>
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<refname>Ora_Logon</refname>
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<refpurpose>open an Oracle connection</refpurpose>
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</refnamediv>
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<refsect1>
|
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<title>Description</title>
|
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<methodsynopsis>
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<type>int</type><methodname>ora_logon</methodname>
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<methodparam><type>string</type><parameter>user</parameter></methodparam>
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<methodparam><type>string</type><parameter>password</parameter></methodparam>
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</methodsynopsis>
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<para>
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Establishes a connection between PHP and an Oracle database with the
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given username and password.
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</para>
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<para>
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Connections can be made using <productname>SQL*Net</productname>
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by supplying the <acronym>TNS</acronym> name to
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<parameter>user</parameter> like this:
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<informalexample>
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<programlisting role="php">
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<![CDATA[
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$conn = Ora_Logon("user<emphasis>@TNSNAME</emphasis>", "pass");
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]]>
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</programlisting>
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</informalexample>
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</para>
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<para>
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If you have character data with non-ASCII characters, you should
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make sure that <envar>NLS_LANG</envar> is set in your
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environment. For server modules, you should set it in the
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server's environment before starting the server.
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</para>
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<para>
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Returns a connection index on success, or &false; on failure.
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Details about the error can be retrieved using the
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<function>ora_error</function> and <function>ora_errorcode</function>
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functions.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-plogon">
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<refnamediv>
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<refname>Ora_pLogon</refname>
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<refpurpose>
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Open a persistent Oracle connection
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</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_plogon</methodname>
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<methodparam><type>string</type><parameter>user</parameter></methodparam>
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<methodparam><type>string</type><parameter>password</parameter></methodparam>
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</methodsynopsis>
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<para>
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Establishes a persistent connection between PHP and an Oracle database with
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the given username and password.
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</para>
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<simpara>
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See also <function>ora_logon</function>.
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</simpara>
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</refsect1>
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</refentry>
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<refentry id="function.ora-numcols">
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<refnamediv>
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<refname>Ora_Numcols</refname>
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<refpurpose>Returns the number of columns</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_numcols</methodname>
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<methodparam><type>int</type><parameter>cursor_ind</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>ora_numcols</function> returns the number of columns in a result.
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Only returns meaningful values after an parse/exec/fetch sequence.
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</para>
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<simpara>
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See also <function>ora_parse</function>,<function>ora_exec</function>,
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<function>ora_fetch</function>, and <function>ora_do</function>.
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</simpara>
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</refsect1>
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</refentry>
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<refentry id="function.ora-numrows">
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<refnamediv>
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<refname>Ora_Numrows</refname>
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<refpurpose>Returns the number of rows</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_numrows</methodname>
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<methodparam><type>int</type><parameter>cursor_ind</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>ora_numrows</function> returns the number of rows in a result.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-open">
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<refnamediv>
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<refname>Ora_Open</refname>
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<refpurpose>open an Oracle cursor</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_open</methodname>
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<methodparam><type>int</type><parameter>connection</parameter></methodparam>
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</methodsynopsis>
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<para>
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Opens an Oracle cursor associated with connection.
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</para>
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<para>
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Returns a cursor index or &false; on failure. Details about the
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error can be retrieved using the <function>ora_error</function>
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and <function>ora_errorcode</function> functions.
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.ora-parse">
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<refnamediv>
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<refname>Ora_Parse</refname>
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<refpurpose>parse an SQL statement</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_parse</methodname>
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<methodparam><type>int</type><parameter>cursor_ind</parameter></methodparam>
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<methodparam><type>string</type><parameter>sql_statement</parameter></methodparam>
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<methodparam><type>int</type><parameter>defer</parameter></methodparam>
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</methodsynopsis>
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<para>
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This function parses an SQL statement or a PL/SQL block and
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associates it with the given cursor.
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</para>
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<para>
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&return.success;
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</para>
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<simpara>
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See also <function>ora_exec</function>,
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<function>ora_fetch</function>, and <function>ora_do</function>.
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</simpara>
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</refsect1>
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</refentry>
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<refentry id="function.ora-rollback">
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<refnamediv>
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<refname>Ora_Rollback</refname>
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<refpurpose>roll back transaction</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>ora_rollback</methodname>
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<methodparam><type>int</type><parameter>connection</parameter></methodparam>
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</methodsynopsis>
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<para>
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This function undoes an Oracle transaction. (See
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<function>ora_commit</function> for the definition of a
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transaction.)
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</para>
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<para>
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Returns &true; on success, &false; on error. Details about the error
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can be retrieved using the <function>ora_error</function> and
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<function>ora_errorcode</function> functions.
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</para>
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</refsect1>
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</refentry>
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</reference>
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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