function Schema::dropPrimaryKey

Same name in this branch

11.1.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropPrimaryKey()
11.1.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::dropPrimaryKey()
11.1.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::dropPrimaryKey()

Overrides Schema::dropPrimaryKey

1 call to Schema::dropPrimaryKey()

Schema::dropField in core/modules/mysql/src/Driver/Database/mysql/Schema.php: Drop a field.

File

core/modules/mysql/src/Driver/Database/mysql/Schema.php, line 522

Class

Schema: MySQL implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\mysql\Driver\Database\mysql

Code

public function dropPrimaryKey($table) {
    if (!$this->indexExists($table, 'PRIMARY')) {
        return FALSE;
    }
    $this->connection
        ->query('ALTER TABLE {' . $table . '} DROP PRIMARY KEY');
    return TRUE;
}