Drop the primary key.

Parameters

string $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.

StubSchema::dropPrimaryKey in core/tests/Drupal/Tests/Core/Database/Stub/StubSchema.php

Drop the primary key.

File

core/lib/Drupal/Core/Database/Schema.php, line 409

Class

Schema

Provides a base implementation for Database Schema.

Namespace

Drupal\Core\Database

Code

abstract public function dropPrimaryKey($table);

---