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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<refentry id="function.maxdb-stmt-error">
<refnamediv>
<refname>maxdb_stmt_error</refname>
<refname>maxdb_stmt->error</refname>
<refpurpose>Returns a string description for last statement error</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>Procedural style:</para>
<methodsynopsis>
<type>string</type><methodname>maxdb_stmt_error</methodname>
<methodparam><type>resource</type><parameter>stmt</parameter></methodparam>
</methodsynopsis>
<para>Object oriented style (property):</para>
<classsynopsis>
<ooclass><classname>stmt</classname></ooclass>
<fieldsynopsis><type>string</type><varname>error</varname></fieldsynopsis>
</classsynopsis>
<para>
For the statement specified by <literal>stmt</literal>, <function>maxdb_stmt_error</function>
returns a containing the error message for the most recently invoked statement function that
can succeed or fail.
</para>
</refsect1>
<refsect1>
<title>Return values</title>
<para>
A string that describes the error. An empty string if no error occurred.
</para>
</refsect1>
<refsect1>
<title>See also</title>
<para>
<function>maxdb_stmt_errno</function>,
<function>maxdb_stmt_sqlstate</function>
</para>
</refsect1>
<refsect1>
<title>Example</title>
<example>
<title>Object oriented style</title>
<programlisting role="php">
<![CDATA[
<?php
/* Open a connection */
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
$maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city");
$maxdb->query("INSERT INTO temp.mycity SELECT * FROM hotel.city");
$query = "SELECT name, zip FROM temp.mycity ORDER BY name";
if ($stmt = $maxdb->prepare($query)) {
/* drop table */
$maxdb->query("DROP TABLE temp.mycity");
/* execute query */
$stmt->execute();
printf("Error: %s.\n", $stmt->error);
/* close statement */
$stmt->close();
}
/* close connection */
$maxdb->close();
?>
]]>
</programlisting>
</example>
<example>
<title>Procedural style</title>
<programlisting role="php">
<![CDATA[
<?php
/* Open a connection */
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city");
maxdb_query($link, "INSERT INTO temp.mycity SELECT * FROM hotel.city");
$query = "SELECT name, zip FROM temp.mycity ORDER BY name";
if ($stmt = maxdb_prepare($link, $query)) {
/* drop table */
maxdb_query($link, "DROP TABLE temp.mycity");
/* execute query */
maxdb_stmt_execute($stmt);
printf("Error: %s.\n", maxdb_stmt_error($stmt));
/* close statement */
maxdb_stmt_close($stmt);
}
/* close connection */
maxdb_close($link);
?>
]]>
</programlisting>
</example>
<para>
The above examples would produce the following output:
</para>
<screen>
<![CDATA[
Warning: maxdb_stmt_execute(): -4004 POS(23) Unknown table name:MYCITY [42000] <...>
Error: POS(23) Unknown table name:MYCITY.
]]>
</screen>
</refsect1>
</refentry>
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