Documentation & API reference
function db_add_primary_key
Adds a primary key to a database table.
Parameters
$table: Name of the table to be altered.
$fields: Array of fields for the primary key.
Related topics
4 calls to db_add_primary_key()
- field_sql_storage_update_8000 in drupal/
core/ modules/ field_sql_storage/ field_sql_storage.install - Renames the 'language' column to 'langcode' in field data tables.
- locale_update_8005 in drupal/
core/ modules/ locale/ locale.install - Update plural interface translations to new format.
- node_update_8015 in drupal/
core/ modules/ node/ node.install - Add language support to the {node_access} table.
- search_update_8001 in drupal/
core/ modules/ search/ search.install - Adds the langcode field and indexes to {search_dataset} and {search_index}.
File
- drupal/
core/ includes/ database.inc, line 763 - Core systems for the database layer.
Code
function db_add_primary_key($table, $fields) {
return Database::getConnection()
->schema()
->addPrimaryKey($table, $fields);
}