public Schema::dropPrimaryKey($table)
Drop the primary key.
Parameters
$table: The table to be altered.
Return value
TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.
Overrides Schema::dropPrimaryKey
File
- core/lib/Drupal/Core/Database/Driver/mysql/Schema.php, line 468
Class
- Schema
- MySQL implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\mysql
Code
1 2 3 4 5 6 7 8 | public function dropPrimaryKey($table) { if (!$this->indexExists($table, 'PRIMARY')) { return FALSE; } $this->connection->query('ALTER TABLE {' . $table . '} DROP PRIMARY KEY'); return TRUE;} |
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