public function Schema::addPrimaryKey

Same name in this branch
  1. 9.x drupal/core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::addPrimaryKey()
  2. 9.x drupal/core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::addPrimaryKey()
  3. 9.x drupal/core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::addPrimaryKey()
  4. 9.x drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::addPrimaryKey()

Add a primary key.

Parameters

$table: The table to be altered.

$fields: Fields for the primary key.

Throws

Drupal\Core\Database\SchemaObjectDoesNotExistException If the specified table doesn't exist.

Drupal\Core\Database\SchemaObjectExistsException If the specified table already has a primary key.

Overrides Schema::addPrimaryKey

1 call to Schema::addPrimaryKey()
Schema::_createKeys in drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php

File

drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 446
Definition of Drupal\Core\Database\Driver\pgsql\Schema

Class

Schema

Namespace

Drupal\Core\Database\Driver\pgsql

Code

public function addPrimaryKey($table, $fields) {
  if (!$this
    ->tableExists($table)) {
    throw new SchemaObjectDoesNotExistException(t("Cannot add primary key to table @table: table doesn't exist.", array(
      '@table' => $table,
    )));
  }
  if ($this
    ->constraintExists($table, 'pkey')) {
    throw new SchemaObjectExistsException(t("Cannot add primary key to table @table: primary key already exists.", array(
      '@table' => $table,
    )));
  }
  $this->connection
    ->query('ALTER TABLE {' . $table . '} ADD PRIMARY KEY (' . implode(',', $fields) . ')');
}