ConditionAggregate.php
Same filename in other branches
Namespace
Drupal\Core\Entity\Query\SqlFile
-
core/
lib/ Drupal/ Core/ Entity/ Query/ Sql/ ConditionAggregate.php
View source
<?php
namespace Drupal\Core\Entity\Query\Sql;
use Drupal\Core\Database\Query\SelectInterface;
use Drupal\Core\Entity\Query\ConditionAggregateBase;
use Drupal\Core\Entity\Query\ConditionAggregateInterface;
use Drupal\Core\Entity\Query\QueryBase;
/**
* Defines the aggregate condition for sql based storage.
*/
class ConditionAggregate extends ConditionAggregateBase {
/**
* The current SQL query, set by parent condition compile() method calls.
*
* @var \Drupal\Core\Database\Query\SelectInterface
*/
protected $sqlQuery;
/**
* {@inheritdoc}
*/
public function compile($conditionContainer) {
// If this is not the top level condition group then the sql query is
// added to the $conditionContainer object by this function itself. The
// SQL query object is only necessary to pass to Query::addField() so it
// can join tables as necessary. On the other hand, conditions need to be
// added to the $conditionContainer object to keep grouping.
$sql_query = $conditionContainer instanceof SelectInterface ? $conditionContainer : $this->sqlQuery;
$tables = new Tables($sql_query);
foreach ($this->conditions as $condition) {
if ($condition['field'] instanceof ConditionAggregateInterface) {
$sql_condition = $sql_query->getConnection()
->condition($condition['field']->getConjunction());
// Add the SQL query to the object before calling this method again.
$condition['field']->sqlQuery = $sql_query;
$condition['field']->compile($sql_condition);
$sql_query->condition($sql_condition);
}
else {
$type = strtoupper($this->conjunction) == 'OR' || $condition['operator'] == 'IS NULL' ? 'LEFT' : 'INNER';
$field = $tables->addField($condition['field'], $type, $condition['langcode']);
$condition_class = QueryBase::getClass($this->namespaces, 'Condition');
$condition_class::translateCondition($condition, $sql_query, $tables->isFieldCaseSensitive($condition['field']));
$function = $condition['function'];
$placeholder = ':db_placeholder_' . $conditionContainer->nextPlaceholder();
$sql_field_escaped = '[' . str_replace('.', '].[', $field) . ']';
$conditionContainer->having("{$function}({$sql_field_escaped}) {$condition['operator']} {$placeholder}", [
$placeholder => $condition['value'],
]);
}
}
}
/**
* {@inheritdoc}
*/
public function exists($field, $function, $langcode = NULL) {
return $this->condition($field, $function, NULL, 'IS NOT NULL', $langcode);
}
/**
* {@inheritdoc}
*/
public function notExists($field, $function, $langcode = NULL) {
return $this->condition($field, $function, NULL, 'IS NULL', $langcode);
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
ConditionAggregate | Defines the aggregate condition for sql based storage. |
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