protected function Schema::findPrimaryKeyColumns in Drupal 8
Same name in this branch
- 8 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::findPrimaryKeyColumns()
- 8 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::findPrimaryKeyColumns()
- 8 core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::findPrimaryKeyColumns()
- 8 core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::findPrimaryKeyColumns()
Same name and namespace in other branches
- 9 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::findPrimaryKeyColumns()
Finds the primary key columns of a table, from the database.
Parameters
string $table: The name of the table.
Return value
string[]|false A simple array with the names of the columns composing the table's primary key, or FALSE if the table does not exist.
Throws
\RuntimeException If the driver does not override this method.
Overrides Schema::findPrimaryKeyColumns
File
- core/
lib/ Drupal/ Core/ Database/ Driver/ sqlite/ Schema.php, line 770
Class
- Schema
- SQLite implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\sqliteCode
protected function findPrimaryKeyColumns($table) {
if (!$this
->tableExists($table)) {
return FALSE;
}
$schema = $this
->introspectSchema($table);
return $schema['primary key'];
}