function db_drop_primary_key
| 7.x database.inc | db_drop_primary_key($table) |
| 6.x database.pgsql.inc | db_drop_primary_key(&$ret, $table) |
| 6.x database.mysql-common.inc | db_drop_primary_key(&$ret, $table) |
Drops the primary key of a database table.
Parameters
$table: Name of the table to be altered.
Related topics
6 calls to db_drop_primary_key()
- field_sql_storage_update_7001 in drupal-7.x/
modules/ field/ modules/ field_sql_storage/ field_sql_storage.install - Remove the field_config_entity_type table and store 'entity_type' strings.
- field_sql_storage_update_7002 in drupal-7.x/
modules/ field/ modules/ field_sql_storage/ field_sql_storage.install - Fix primary keys in field revision data tables.
- system_update_7065 in drupal-7.x/
modules/ system/ system.install - Remove the default value for sid.
- trigger_update_7000 in drupal-7.x/
modules/ trigger/ trigger.install - Alter the "hook" field and drop the "op field" of {trigger_assignments}.
- trigger_update_7001 in drupal-7.x/
modules/ trigger/ trigger.install - Increase the length of the "hook" field to 78 characters.
File
- drupal-7.x/
includes/ database/ database.inc, line 2901 - Core systems for the database layer.
Code
function db_drop_primary_key($table) {
return Database::getConnection()->schema()->dropPrimaryKey($table);
}