PHP: pg_update function

Description

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.

Warning

This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.

Parameters

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.

Return Values

Returns TRUE on success or FALSE on failure. Returns string if PGSQL_DML_STRING is passed via options .

Examples

Example #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";
  }
?>

pg_update

Description

Parameters

Return Values

Examples

See Also