public function ConditionAggregate::compile in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Entity/Query/Sql/ConditionAggregate.php \Drupal\Core\Entity\Query\Sql\ConditionAggregate::compile()

Compiles this conditional clause.

Parameters

$query: The query object this conditional clause belongs to.

Overrides ConditionAggregateInterface::compile

File

core/lib/Drupal/Core/Entity/Query/Sql/ConditionAggregate.php, line 19

Class

ConditionAggregate

Defines the aggregate condition for sql based storage.

Namespace

Drupal\Core\Entity\Query\Sql

Code

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 : $conditionContainer->sqlQuery;
  $tables = new Tables($sql_query);
  foreach ($this->conditions as $condition) {
    if ($condition['field'] instanceof ConditionAggregateInterface) {
      $sql_condition = new SqlCondition($condition['field']
        ->getConjunction());

      // Add the SQL query to the object before calling this method again.
      $sql_condition->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();
      $conditionContainer
        ->having("{$function}({$field}) {$condition['operator']} {$placeholder}", [
        $placeholder => $condition['value'],
      ]);
    }
  }
}