Condition::compile

public Condition::compile($conditionContainer)

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 = $this->query->getTables($sql_query);
  foreach ($this->conditions as $condition) {
    if ($condition['field'] instanceof ConditionInterface) {
      $sql_condition = new SqlCondition($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);
      $conditionContainer->condition($sql_condition);
    }
    else {
      $type = strtoupper($this->conjunction) == 'OR' || $condition['operator'] == 'IS NULL' ? 'LEFT' : 'INNER';
      $field = $tables->addField($condition['field'], $type, $condition['langcode']);
      $condition['real_field'] = $field;
      static::translateCondition($condition, $sql_query, $tables->isFieldCaseSensitive($condition['field']));

      // Add the translated conditions back to the condition container.
      if (isset($condition['where']) && isset($condition['where_args'])) {
        $conditionContainer->where($condition['where'], $condition['where_args']);
      }
      else {
        $conditionContainer->condition($field, $condition['value'], $condition['operator']);
      }
    }
  }
}