function Schema::dropPrimaryKey
Drop the primary key.
Parameters
$table: The table to be altered.
Return value
bool TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.
4 methods override Schema::dropPrimaryKey()
- Schema::dropPrimaryKey in core/
modules/ sqlite/ src/ Driver/ Database/ sqlite/ Schema.php - Drop the primary key.
- Schema::dropPrimaryKey in core/
modules/ mysql/ src/ Driver/ Database/ mysql/ Schema.php - Drop the primary key.
- Schema::dropPrimaryKey in core/
modules/ pgsql/ src/ Driver/ Database/ pgsql/ Schema.php - Drop the primary key.
- Schema::dropPrimaryKey in core/
tests/ fixtures/ database_drivers/ module/ core_fake/ src/ Driver/ Database/ CoreFakeWithAllCustomClasses/ Schema.php - Drop the primary key.
File
-
core/
lib/ Drupal/ Core/ Database/ Schema.php, line 381
Class
- Schema
- Provides a base implementation for Database Schema.
Namespace
Drupal\Core\DatabaseCode
abstract public function dropPrimaryKey($table);
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