function db_add_primary_key

1 database.inc db_add_primary_key($table, $fields)

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

Schema API API to handle database schemas.

2 calls to db_add_primary_key()

node_update_1014 in core/modules/node/node.install: Change {history}.nid to an unsigned int in order to match {node}.nid.
user_update_1007 in core/modules/user/user.install: Convert user roles to configuration files.

File

core/includes/database/database.inc, line 3012: Core systems for the database layer.

Code

function db_add_primary_key($table, $fields) {
  return Database::getConnection()->schema()->addPrimaryKey($table, $fields);
}