Same name and namespace in other branches
- 6.x includes/database.pgsql.inc \db_drop_primary_key()
- 6.x includes/database.mysql-common.inc \db_drop_primary_key()
- 8.9.x core/includes/database.inc \db_drop_primary_key()
Drops the primary key of a database table.
Parameters
$table: Name of the table to be altered.
Related topics
8 calls to db_drop_primary_key()
- field_sql_storage_update_7001 in modules/
field/ modules/ field_sql_storage/ field_sql_storage.install - Remove the field_config_entity_type table and store 'entity_type' strings.
- field_sql_storage_update_7002 in modules/
field/ modules/ field_sql_storage/ field_sql_storage.install - Fix primary keys in field revision data tables.
- node_update_7016 in modules/
node/ node.install - Change {history}.nid to an unsigned int in order to match {node}.nid.
- system_update_7065 in modules/
system/ system.install - Remove the default value for sid.
- system_update_7086 in modules/
system/ system.install - Prepare the schema and data of the sessions table for hashed session ids.
File
- includes/
database/ database.inc, line 3036 - Core systems for the database layer.
Code
function db_drop_primary_key($table) {
return Database::getConnection()
->schema()
->dropPrimaryKey($table);
}