public function Schema::dropUniqueKey in Drupal 8
Same name in this branch
- 8 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropUniqueKey()
- 8 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::dropUniqueKey()
- 8 core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::dropUniqueKey()
- 8 core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::dropUniqueKey()
Same name and namespace in other branches
- 9 core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::dropUniqueKey()
Drop a unique key.
Parameters
$table: The table to be altered.
$name: The name of the key.
Return value
TRUE if the key was successfully dropped, FALSE if there was no key by that name to begin with.
Overrides Schema::dropUniqueKey
File
- core/
lib/ Drupal/ Core/ Database/ Driver/ pgsql/ Schema.php, line 849
Class
- Schema
- PostgreSQL implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\pgsqlCode
public function dropUniqueKey($table, $name) {
if (!$this
->constraintExists($table, $name . '__key')) {
return FALSE;
}
$this->connection
->query('ALTER TABLE {' . $table . '} DROP CONSTRAINT ' . $this
->ensureIdentifiersLength($table, $name, 'key'));
$this
->resetTableInformation($table);
return TRUE;
}