General class for an abstracted "Upsert" (UPDATE or INSERT) query operation. This class can only be used with a table with a single unique index

public &SelectInterface::getUnion()

public SelectExtender::andConditionGroup()

public SelectExtender::addExpression($expression, $alias = NULL

public Select::havingExists(SelectInterface $select)

public Merge::fields(array $fields, array $values = array())

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

abstract public Query::__toString() Implements

Interface for a query that can be manipulated via an alter hook. Hierarchy interface

public Select::havingIsNotNull($field) Sets