pg-result-status.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.pg-result-status" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>pg_result_status</refname>
  <refpurpose>Liefert den Status eines Abfrageergebnisses</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>int</type></type><methodname>pg_result_status</methodname>
   <methodparam><type>PgSql\Result</type><parameter>result</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>mode</parameter><initializer><constant>PGSQL_STATUS_LONG</constant></initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>pg_result_status</function> gibt den Status einer
   <classname>PgSql\Result</classname>-Instanz zurück oder das mit dem
   Ergebnis verknüpfte PostgreSQL-Kommandoabschluss-Tag.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>result</parameter></term>
     <listitem>
      &pgsql.parameter.result;
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>mode</parameter></term>
     <listitem>
      <para>
       Entweder <constant>PGSQL_STATUS_LONG</constant>, um die Statusnummer
       von <parameter>result</parameter> zu erhalten, oder
       <constant>PGSQL_STATUS_STRING</constant>, um das
       PostgreSQL-Kommando-Tag für <parameter>result</parameter> zu erhalten.
       Falls nichts angegeben wurde, wird der Vorgabewert
       <constant>PGSQL_STATUS_LONG</constant> zurückgegeben.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Mögliche Rückgabewerte sind <constant>PGSQL_EMPTY_QUERY</constant>,
   <constant>PGSQL_COMMAND_OK</constant>, <constant>PGSQL_TUPLES_OK</constant>,
   <constant>PGSQL_TUPLES_CHUNK</constant>, <constant>PGSQL_COPY_OUT</constant>,
   <constant>PGSQL_COPY_IN</constant>, <constant>PGSQL_BAD_RESPONSE</constant>,
   <constant>PGSQL_NONFATAL_ERROR</constant> und
   <constant>PGSQL_FATAL_ERROR</constant>, falls
   <constant>PGSQL_STATUS_LONG</constant> angegeben wurde. Anderenfalls wird
   ein <type>&string;</type> zurückgegeben, der das PostgreSQL-Kommando-Tag
   enthält.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     &pgsql.changelog.result-object;
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>pg_result_status</function>-Beispiel</title>
    <programlisting role="php">
<![CDATA[
<?php

// Mit der Datenbank verbinden
$conn = pg_pconnect("dbname=publisher");

// Eine Abfrage ausführen
$result = pg_query($conn, "COPY authors FROM STDIN;");

// Den Status des Abfrageergebnisses holen
$status = pg_result_status($result);

// Den Status ermitteln
if ($status == PGSQL_COPY_IN)
   echo "Copy begonnen.";
else
   echo "Copy fehlgeschlagen."; 
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Copy begonnen.
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>pg_connection_status</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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