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pg_update
Update table
(PHP 4 >= 4.3.0, PHP 5)
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.
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function 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_EXECorPGSQL_DML_STRINGcombined. IfPGSQL_DML_STRINGis 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 1983. 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_convert() |