public static Connection::open(array &$connection_options

The database connection. Type:

public PagerSelectExtender::__construct(SelectInterface

public Schema::changeField($table, $field, $field_new, $spec, $keys_new

Interface for a conditional clause in a query. Hierarchy interface \Drupal\Core\Database\Query\

Interface for extendable query objects. "Extenders" follow the "Decorator" OOP design pattern. That is, they wrap and "decorate" another object

public &SelectInterface::getTables()

public Schema::addField($table, $field, $spec, $keys_new = array())

Driver-specific error code for "Unknown character set" error. File core/lib/Drupal/Core/Database/Dri

public Merge::execute() Runs the query