db_drop_primary_key

db_drop_primary_key($table)

Drops the primary key of a database table.

Parameters

$table: Name of the table to be altered.

Return value

bool TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.

See also

\Drupal\Core\Database\Schema::dropPrimaryKey()

Related topics

Schema API

API to handle database schemas.

File

core/includes/database.inc, line 858

Core systems for the database layer.

Code

function db_drop_primary_key($table) {
  return Database::getConnection()->schema()->dropPrimaryKey($table);
}