function db_drop_unique_key
| 7.x database.inc | db_drop_unique_key($table, $name) |
| 6.x database.pgsql.inc | db_drop_unique_key(&$ret, $table, $name) |
| 6.x database.mysql-common.inc | db_drop_unique_key(&$ret, $table, $name) |
Drops a unique key.
Parameters
$table: The table to be altered.
$name: The name of the key.
Related topics
6 calls to db_drop_unique_key()
- aggregator_update_7003 in drupal-7.x/
modules/ aggregator/ aggregator.install - Increase the length of {aggregator_feed}.url.
- node_update_7013 in drupal-7.x/
modules/ node/ node.install - Change {node}.vid default value from 0 to NULL to avoid deadlock issues on MySQL.
- search_update_7000 in drupal-7.x/
modules/ search/ search.install - Replace unique keys in 'search_dataset' and 'search_index' by primary keys.
- system_update_7042 in drupal-7.x/
modules/ system/ system.install - Upgrade the {url_alias} table and create a cache bin for path aliases.
- system_update_7073 in drupal-7.x/
modules/ system/ system.install - Add binary to {file_managed}, in case system_update_7034() was run without it.
File
- drupal-7.x/
includes/ database/ database.inc, line 2927 - Core systems for the database layer.
Code
function db_drop_unique_key($table, $name) {
return Database::getConnection()->schema()->dropUniqueKey($table, $name);
}