public function DatabaseSchema_sqlite::dropPrimaryKey
public DatabaseSchema_sqlite::dropPrimaryKey($table)
Drop the primary key.
Parameters
$table: The table to be altered.
Return value
TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.
Overrides DatabaseSchema::dropPrimaryKey
File
- includes/database/sqlite/schema.inc, line 634
- Database schema code for SQLite databases.
Class
Code
public function dropPrimaryKey($table) { $old_schema = $this->introspectSchema($table); $new_schema = $old_schema; if (empty($new_schema['primary key'])) { return FALSE; } unset($new_schema['primary key']); $this->alterTable($table, $old_schema, $new_schema); return TRUE; }
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