The fields to SELECT. Type:

public SelectInterface::fields($table_alias, array $fields

public Insert::execute() Executes the

public Merge::key($field, $value = NULL) Sets

public Select::addExpression($expression, $alias = NULL, $arguments = array())

public QueryConditionTrait::where($snippet, $args

public SelectInterface::countQuery()

public Select::arguments() Gets a complete

The placeholder counter. File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 34

Generic class for a series of conditions in a query. Hierarchy class \Drupal\Core\Database\Query\