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481 lines
15 KiB
Text
481 lines
15 KiB
Text
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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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<funcsynopsis>
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<funcdef>int <function>ora_bind</function></funcdef>
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<paramdef>int <parameter>cursor</parameter></paramdef>
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<paramdef>string <parameter>PHP variable name</parameter></paramdef>
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<paramdef>string <parameter>SQL parameter name</parameter></paramdef>
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<paramdef>int <parameter>length</parameter></paramdef>
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<paramdef>int <parameter><optional>type</optional></parameter></paramdef>
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</funcsynopsis>
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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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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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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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<?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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</programlisting>
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</informalexample>
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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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<funcsynopsis>
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<funcdef>int <function>ora_close</function></funcdef>
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<paramdef>int <parameter>cursor</parameter></paramdef>
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</funcsynopsis>
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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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This function closes a data cursor opened with
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<function>ora_open</function>.
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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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<funcsynopsis>
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<funcdef>string <function>Ora_ColumnName</function></funcdef>
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<paramdef>int <parameter>cursor</parameter></paramdef>
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<paramdef>int <parameter>column</parameter></paramdef>
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</funcsynopsis>
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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.
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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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<funcsynopsis>
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<funcdef>string <function>Ora_ColumnType</function></funcdef>
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<paramdef>int <parameter>cursor</parameter></paramdef>
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<paramdef>int <parameter>column</parameter></paramdef>
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</funcsynopsis>
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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>. The returned type will be one of
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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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</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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<funcsynopsis>
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<funcdef>int <function>ora_commit</function></funcdef>
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<paramdef>int <parameter>conn</parameter></paramdef>
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</funcsynopsis>
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<para>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. This function
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commits an Oracle transaction. A transaction is defined as all
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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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</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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<funcsynopsis>
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<funcdef>int <function>ora_commitoff</function></funcdef>
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<paramdef>int <parameter>conn</parameter></paramdef>
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</funcsynopsis>
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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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This function turns off automatic commit after each
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<function>ora_exec</function>.
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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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<funcsynopsis>
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<funcdef>int <function>ora_commiton</function></funcdef>
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<paramdef>int <parameter>conn</parameter></paramdef>
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</funcsynopsis>
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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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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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</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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<funcsynopsis>
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<funcdef>string <function>Ora_Error</function></funcdef>
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<paramdef>int <parameter>cursor_or_connection</parameter></paramdef>
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</funcsynopsis>
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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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<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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On UNIX versions of Oracle, you can find details about an error
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message like this: <computeroutput>
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<prompt>$</prompt> <userinput>oerr ora <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 </computeroutput>
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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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<funcsynopsis>
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<funcdef>int <function>Ora_ErrorCode</function></funcdef>
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<paramdef>int <parameter>cursor_or_connection</parameter></paramdef>
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</funcsynopsis>
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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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<comment>FIXME: should possible values be listed?</comment>
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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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</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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<funcsynopsis>
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<funcdef>int <function>ora_exec</function></funcdef>
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<paramdef>int <parameter>cursor</parameter></paramdef>
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</funcsynopsis>
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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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</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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<funcsynopsis>
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<funcdef>int <function>ora_fetch</function></funcdef>
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<paramdef>int <parameter>cursor</parameter></paramdef>
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</funcsynopsis>
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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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Retrieves a row of data from the specified cursor.
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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 row</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<funcsynopsis>
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<funcdef>mixed <function>ora_getcolumn</function></funcdef>
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<paramdef>int <parameter>cursor</parameter></paramdef>
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<paramdef>mixed <parameter>column</parameter></paramdef>
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</funcsynopsis>
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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"). Fetches the data for a column or function
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result.
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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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<funcsynopsis>
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<funcdef>int <function>ora_logoff</function></funcdef>
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<paramdef>int <parameter>connection</parameter></paramdef>
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</funcsynopsis>
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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 <function>ora_errorcode</function>
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functions. Logs out the user and disconnects from the
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server.
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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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<funcsynopsis>
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<funcdef>int <function>ora_logon</function></funcdef>
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<paramdef>string <parameter>user</parameter></paramdef>
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<paramdef>string <parameter>password</parameter></paramdef>
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</funcsynopsis>
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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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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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$conn = Ora_Logon("user<emphasis>@TNSNAME</emphasis>", "pass");
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</programlisting>
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</informalexample>
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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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Returns a connection index on success, or false on failure.
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Details about the error can be retrieved using the <function>ora_error</function> and <function>ora_errorcode</function>
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functions.
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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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<funcsynopsis>
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<funcdef>int <function>ora_open</function></funcdef>
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<paramdef>int <parameter>connection</parameter></paramdef>
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</funcsynopsis>
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<para>
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Opens an Oracle cursor associated with connection.</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> and <function>ora_errorcode</function>
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functions.
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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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<funcsynopsis>
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<funcdef>int <function>ora_parse</function></funcdef>
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<paramdef>int <parameter>cursor_ind</parameter></paramdef>
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<paramdef>string <parameter>sql_statement</parameter></paramdef>
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<paramdef>int <parameter>defer</parameter></paramdef>
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</funcsynopsis>
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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. Returns 0 on success or -1 on
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error.
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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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<funcsynopsis>
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<funcdef>int <function>ora_rollback</function></funcdef>
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<paramdef>int <parameter>connection</parameter></paramdef>
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</funcsynopsis>
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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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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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</refsect1>
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</refentry>
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</reference>
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Local variables:
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End:
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