pg_update

(PHP 4 >= 4.3.0, PHP 5)

pg_update --  Update table

Beschreibung

mixed pg_update ( resource connection, string table_name, array data, array condition [, int options] )

pg_update() updates records that matches condition with data. If options is specified, pg_convert() is applied to data with specified options.

Warnung

Diese Funktion ist EXPERIMENTELL. Das Verhalten, der Funktionsname und alles Andere was hier dokumentiert ist, kann sich in zukünftigen PHP-Versionen ohne Ankündigung ändern. Seien Sie gewarnt und verwenden Sie diese Funktion auf eigenes Risiko.

Parameter Liste

connection

PostgreSQL database connection resource.

table_name

Name of the table into which to update rows.

data

An array whose keys are field names in the table table_name, and whose values are what matched rows are to be updated to.

condition

An array whose keys are field names in the table table_name, and whose values are the conditions that a row must meet to be updated.

options

Any number of PGSQL_CONV_OPTS, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.

Rückgabewerte

Gibt bei Erfolg TRUE zurück, im Fehlerfall FALSE. Returns string if PGSQL_DML_STRING is passed via options.

Beispiele

Beispiel 1. pg_update() example

<?php
  $db
= pg_connect('dbname=foo');
  
$data = array('field1'=>'AA', 'field2'=>'BB');
  
  
// This is safe, since $_POST is converted automatically
  
$res = pg_update($db, 'post_log', $_POST, $data);
  if (
$res) {
      echo
"Data is updated: $res\n";
  } else {
      echo
"User must have sent wrong inputs\n";
  }
?>

Siehe auch

pg_convert()

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Generated: 2007-01-26 17:57:07