pg_update
(PHP 4 >= 4.3.0, PHP 5)
pg_update — Update table
설명
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.
매개변수
- 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.
반환값
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다. Returns string if PGSQL_DML_STRING is passed via options .
예제
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";
}
?>