SelectExtender::isNull($field) Sets a condition that the specified field be NULL. Parameters $field: The name of the field to check. Return value \Drupal\Core\Database\Query\ConditionInterface The called object. Overrides ConditionInterface::isNull File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 443 Class SelectExtender The base extender class for Select queries. Namespace Drupal\Core\Database\Query Code function isNull($field) { $this->query->isNull($field)

public SelectExtender::innerJoin($table, $alias = NULL, $condition = NULL, $arguments = array()) Inner Join against another table in the database. Parameters $table: The table against which to join. May be a string or another SelectQuery object. If a query object is passed, it will be used as a subselect. Unless the table name starts with the database / schema name and a dot it will be prefixed. $alias: The alias for the table. In most cases this should be the first letter of the table, or the

public SelectExtender::havingNotExists(SelectInterface $select) Sets a HAVING condition that the specified subquery returns no values. Parameters \Drupal\Core\Database\Query\SelectInterface $select: The subquery that must contain results. Return value $this Overrides SelectInterface::havingNotExists File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 208 Class SelectExtender The base extender class for Select queries. Namespace Drupal\Core\Database\Query Code public fun

public SelectExtender::havingIsNull($field) Sets a condition in the HAVING clause that the specified field be NULL. Parameters $field: The name of the field to check. Return value $this Overrides SelectInterface::havingIsNull File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 184 Class SelectExtender The base extender class for Select queries. Namespace Drupal\Core\Database\Query Code public function havingIsNull($field) { $this->query->havingIsNull($field);

public SelectExtender::havingIsNotNull($field) Sets a condition in the HAVING clause that the specified field be NOT NULL. Parameters $field: The name of the field to check. Return value $this Overrides SelectInterface::havingIsNotNull File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 192 Class SelectExtender The base extender class for Select queries. Namespace Drupal\Core\Database\Query Code public function havingIsNotNull($field) { $this->query->havingIsNot

public SelectExtender::havingExists(SelectInterface $select) Sets a HAVING condition that the specified subquery returns values. Parameters \Drupal\Core\Database\Query\SelectInterface $select: The subquery that must contain results. Return value $this Overrides SelectInterface::havingExists File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 200 Class SelectExtender The base extender class for Select queries. Namespace Drupal\Core\Database\Query Code public function hav

public SelectExtender::hasTag($tag) Determines if a given query has a given tag. Parameters $tag: The tag to check. Return value TRUE if this query has been marked with this tag, FALSE otherwise. Overrides AlterableInterface::hasTag File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 67 Class SelectExtender The base extender class for Select queries. Namespace Drupal\Core\Database\Query Code public function hasTag($tag) { return $this->query->hasTag($tag); }

public SelectExtender::havingArguments() Gets a list of all values to insert into the HAVING clause. Return value array An associative array of placeholders and values. Overrides SelectInterface::havingArguments File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 162 Class SelectExtender The base extender class for Select queries. Namespace Drupal\Core\Database\Query Code public function havingArguments() { return $this->query->havingArguments(); }

public SelectExtender::having($snippet, $args = array()) Adds an arbitrary HAVING clause to the query. Parameters $snippet: A portion of a HAVING clause as a prepared statement. It must use named placeholders, not ? placeholders. $args: (optional) An associative array of arguments. Return value $this Overrides SelectInterface::having File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 169 Class SelectExtender The base extender class for Select queries. Namespace Drupal\C

public &SelectExtender::havingConditions() Gets a list of all conditions in the HAVING clause. This method returns by reference. That allows alter hooks to access the data structure directly and manipulate it before it gets compiled. Return value array An array of conditions. Overrides SelectInterface::havingConditions See also \Drupal\Core\Database\Query\ConditionInterface::conditions() File core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 155 Class SelectExtender The ba