function Schema::findPrimaryKeyColumns

Same name in this branch
  1. 9 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::findPrimaryKeyColumns()
  2. 9 core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::findPrimaryKeyColumns()
  3. 9 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::findPrimaryKeyColumns()
Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::findPrimaryKeyColumns()
  2. 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::findPrimaryKeyColumns()
  3. 8.9.x core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::findPrimaryKeyColumns()
  4. 8.9.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::findPrimaryKeyColumns()
  5. 10 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::findPrimaryKeyColumns()
  6. 10 core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::findPrimaryKeyColumns()
  7. 10 core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::findPrimaryKeyColumns()
  8. 10 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::findPrimaryKeyColumns()
  9. 11.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::findPrimaryKeyColumns()
  10. 11.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::findPrimaryKeyColumns()
  11. 11.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::findPrimaryKeyColumns()
  12. 11.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::findPrimaryKeyColumns()

Overrides Schema::findPrimaryKeyColumns

1 call to Schema::findPrimaryKeyColumns()
Schema::dropField in core/modules/mysql/src/Driver/Database/mysql/Schema.php
Drop a field.

File

core/modules/mysql/src/Driver/Database/mysql/Schema.php, line 525

Class

Schema
MySQL implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\mysql\Driver\Database\mysql

Code

protected function findPrimaryKeyColumns($table) {
    if (!$this->tableExists($table)) {
        return FALSE;
    }
    $result = $this->connection
        ->query("SHOW KEYS FROM {" . $table . "} WHERE Key_name = 'PRIMARY'")
        ->fetchAllAssoc('Column_name');
    return array_keys($result);
}

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