DatabaseSchema_mysql::dropPrimaryKey
public function DatabaseSchema_mysql::dropPrimaryKey
public DatabaseSchema_mysql::dropPrimaryKey($table)
Drop the primary key.
Parameters
$table: The table to be altered.
Return value
TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.
Overrides DatabaseSchema::dropPrimaryKey
File
- includes/database/mysql/schema.inc, line 411
- Database schema code for MySQL database servers.
Class
Code
public function dropPrimaryKey($table) { if (!$this->indexExists($table, 'PRIMARY')) { return FALSE; } $this->connection->query('ALTER TABLE {' . $table . '} DROP PRIMARY KEY'); return TRUE; }
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