<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
  <refentry id="function.maxdb-stmt-sqlstate">
   <refnamediv>
    <refname>maxdb_stmt_sqlstate</refname>
    <refpurpose>Returns SQLSTATE error from previous statement operation</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <methodsynopsis>
     <type>string</type><methodname>maxdb_stmt_sqlstate</methodname>
     <methodparam><type>resource</type><parameter>stmt</parameter></methodparam>
    </methodsynopsis>
    <para>
     Returns a string containing the SQLSTATE error code
     for the most recently invoked prepared statement function that can succeed or fail. 
     The error code consists of five characters. <literal>'00000'</literal> means no error.
     The values are specified by ANSI SQL and ODBC.
    </para>
    <note>
     <para>
      Note that not all MaxDB errors are yet mapped to SQLSTATE's. 
      The value <literal>HY000</literal> (general error) is used for unmapped errors. 
     </para>
    </note>
   </refsect1>
   <refsect1>
    <title>Return values</title>
    <para>
     Returns a string containing the SQLSTATE error code for the last error. 
     The error code consists of five characters. <literal>'00000'</literal> means no error.
    </para>
   </refsect1>
   <refsect1>
    <title>See also</title>
    <para>
     <function>maxdb_stmt_errno</function>,
     <function>maxdb_stmt_error</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->sqlstate);

   /* 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_sqlstate($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: 42000.
]]>
    </screen>
   </refsect1>
  </refentry>

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