abstract public function DatabaseSchema::addIndex
7.x schema.inc | abstract public DatabaseSchema::addIndex($table, $name, $fields) |
Add an index.
Parameters
$table: The table to be altered.
$name: The name of the index.
$fields: An array of field names.
Throws
DatabaseSchemaObjectDoesNotExistException If the specified table doesn't exist.
DatabaseSchemaObjectExistsException If the specified table already has an index by that name.
3 methods override DatabaseSchema::addIndex()
- DatabaseSchema_mysql::addIndex in drupal-7.x/
includes/ database/ mysql/ schema.inc - Add an index.
- DatabaseSchema_pgsql::addIndex in drupal-7.x/
includes/ database/ pgsql/ schema.inc - Add an index.
- DatabaseSchema_sqlite::addIndex in drupal-7.x/
includes/ database/ sqlite/ schema.inc - Add an index.
File
- drupal-7.x/
includes/ database/ schema.inc, line 561 - Generic Database schema code.
Class
Code
abstract public function addIndex($table, $name, $fields);