protected function Query::getSqlField

protected Query::getSqlField($field, $langcode)

Constructs a select expression for a given field and language.

Parameters

string $field: The name of the field being queried.

string $langcode: The language code of the field.

Return value

string An expression that will select the given field for the given language in a SELECT query, such as 'base_table.id'.

File

core/lib/Drupal/Core/Entity/Query/Sql/Query.php, line 272

Class

Query

The SQL storage entity query class.

Namespace

Drupal\Core\Entity\Query\Sql

Code

protected function getSqlField($field, $langcode) {
  if (!isset($this->tables)) {
    $this->tables = $this->getTables($this->sqlQuery);
  }
  $base_property = "base_table.$field";
  if (isset($this->sqlFields[$base_property])) {
    return $base_property;
  }
  else {
    return $this->tables->addField($field, 'LEFT', $langcode);
  }
}