protected Schema::alterTable($table, $old_schema, $new_schema, array

public &SelectInterface::getExpressions()

protected Schema::createFieldSql($name, $spec)

final public static Database::getConnection($target = 'default', $key = NULL)

A unique identifier for this query object. File core/lib/Drupal/Core/Database/Query/Query.php, line 47

public &SelectInterface::havingConditions()

Specifies installation tasks for SQLite databases. Hierarchy class \Drupal\Core\Database\Install\

public Insert::__construct($connection, $table, array $options = array())

public Schema::dropIndex($table, $name) Drop

protected Tasks::connect() Check