Drop a unique key.

Parameters

$table: The table to be altered.

$name: The name of the key.

Return value

TRUE if the key was successfully dropped, FALSE if there was no key by that name to begin with.

Overrides DatabaseSchema::dropUniqueKey

File

includes/database/pgsql/schema.inc, line 674

Class

DatabaseSchema_pgsql

Code

public function dropUniqueKey($table, $name) {
    if (!$this->constraintExists($table, $name . '_key')) {
        return FALSE;
    }
    $this->connection
        ->query('ALTER TABLE {' . $table . '} DROP CONSTRAINT "' . $this->ensureIdentifiersLength($table, $name, 'key') . '"');
    return TRUE;
}

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