protected function Sql::buildCondition in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views/src/Plugin/views/query/Sql.php \Drupal\views\Plugin\views\query\Sql::buildCondition()

Construct the "WHERE" or "HAVING" part of the query.

As views has to wrap the conditions from arguments with AND, a special group is wrapped around all conditions. This special group has the ID 0. There is other code in filters which makes sure that the group IDs are higher than zero.

Parameters

$where: 'where' or 'having'.

1 call to Sql::buildCondition()

Sql::query in core/modules/views/src/Plugin/views/query/Sql.php

Generate a query and a countquery from all of the information supplied to the object.

File

core/modules/views/src/Plugin/views/query/Sql.php, line 1109

Class

Sql

Views query plugin for an SQL query.

Namespace

Drupal\views\Plugin\views\query

Code

protected function buildCondition($where = 'where') {
  $has_condition = FALSE;
  $has_arguments = FALSE;
  $has_filter = FALSE;
  $main_group = new Condition('AND');
  $filter_group = $this->groupOperator == 'OR' ? new Condition('OR') : new Condition('AND');
  foreach ($this->{$where} as $group => $info) {
    if (!empty($info['conditions'])) {
      $sub_group = $info['type'] == 'OR' ? new Condition('OR') : new Condition('AND');
      foreach ($info['conditions'] as $clause) {
        if ($clause['operator'] == 'formula') {
          $has_condition = TRUE;
          $sub_group
            ->where($clause['field'], $clause['value']);
        }
        else {
          $has_condition = TRUE;
          $sub_group
            ->condition($clause['field'], $clause['value'], $clause['operator']);
        }
      }

      // Add the item to the filter group.
      if ($group != 0) {
        $has_filter = TRUE;
        $filter_group
          ->condition($sub_group);
      }
      else {
        $has_arguments = TRUE;
        $main_group
          ->condition($sub_group);
      }
    }
  }
  if ($has_filter) {
    $main_group
      ->condition($filter_group);
  }
  if (!$has_arguments && $has_condition) {
    return $filter_group;
  }
  if ($has_arguments && $has_condition) {
    return $main_group;
  }
}