pg_delete
(PHP 4 >= 4.3.0, PHP 5)
pg_delete — Deletes records
說明
pg_delete() deletes records from a table specified by the keys and values in assoc_array . If options is specified, pg_convert() is applied to assoc_array with the specified options.
參數
- connection
-
PostgreSQL database connection resource.
- table_name
-
Name of the table from which to delete rows.
- assoc_array
-
An array whose keys are field names in the table table_name , and whose values are the values of those fields that are to be deleted.
- options
-
Any number of PGSQL_CONV_FORCE_NULL, 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值
如果成功則回傳 TRUE，失敗則回傳 FALSE。 Returns string if PGSQL_DML_STRING is passed via options .
範例
Example#1 pg_delete() example
<?php
$db = pg_connect('dbname=foo');
// This is safe, since $_POST is converted automatically
$res = pg_delete($db, 'post_log', $_POST);
if ($res) {
echo "POST data is deleted: $res\n";
} else {
echo "User must have sent wrong inputs\n";
}
?>
本函式是實驗性的。這個函式的行為、名稱、和關於此函式的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此函式需自行承擔風險。