public function Condition::compile in Drupal 9

Same name in this branch

1. 9 core/lib/Drupal/Core/Database/Query/Condition.php \Drupal\Core\Database\Query\Condition::compile()
2. 9 core/lib/Drupal/Core/Config/Entity/Query/Condition.php \Drupal\Core\Config\Entity\Query\Condition::compile()
3. 9 core/lib/Drupal/Core/Entity/Query/Sql/Condition.php \Drupal\Core\Entity\Query\Sql\Condition::compile()
4. 9 core/lib/Drupal/Core/Entity/Query/Null/Condition.php \Drupal\Core\Entity\Query\Null\Condition::compile()

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Entity/Query/Sql/Condition.php \Drupal\Core\Entity\Query\Sql\Condition::compile()

Compiles this conditional clause.

Parameters

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

Overrides ConditionInterface::compile

File

core/lib/Drupal/Core/Entity/Query/Sql/Condition.php, line 31

Class

Condition

Implements entity query conditions for SQL databases.

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 = $this->query
    ->getTables($sql_query);
  foreach ($this->conditions as $condition) {
    if ($condition['field'] instanceof ConditionInterface) {
      $sql_condition = $sql_query
        ->getConnection()
        ->condition($condition['field']
        ->getConjunction());

      // Add the SQL query to the object before calling this method again.
      $sql_condition->sqlQuery = $sql_query;
      $condition['field']->nestedInsideOrCondition = $this->nestedInsideOrCondition || strtoupper($this->conjunction) === 'OR';
      $condition['field']
        ->compile($sql_condition);
      $conditionContainer
        ->condition($sql_condition);
    }
    else {
      $type = $this->nestedInsideOrCondition || strtoupper($this->conjunction) === 'OR' || $condition['operator'] === 'IS NULL' ? 'LEFT' : 'INNER';
      $field = $tables
        ->addField($condition['field'], $type, $condition['langcode']);

      // If the field is trying to query on %delta for a single value field
      // then the only supported delta is 0. No other value than 0 makes
      // sense. \Drupal\Core\Entity\Query\Sql\Tables::addField() returns 0 as
      // the field name for single value fields when querying on their %delta.
      if ($field === 0) {
        if ($condition['value'] != 0) {
          $conditionContainer
            ->alwaysFalse();
        }
        continue;
      }
      $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']);
      }
    }
  }
}