function VocabularyTranslation::query

Prepares query object to retrieve data from the source database.

This method should not be called directly. It is called automatically from SqlBase::prepareQuery().

Return value

\Drupal\Core\Database\Query\SelectInterface A Select query object with the source data.

Overrides SqlBase::query

File

core/modules/taxonomy/src/Plugin/migrate/source/d6/VocabularyTranslation.php, line 28

Class

VocabularyTranslation

Drupal 6 i18n vocabulary translations source from database.

Namespace

Code

public function query() {
  $query = $this->select('vocabulary', 'v')
    ->fields('v')
    ->fields('i18n', [
    'lid',
    'type',
    'property',
    'objectid',
  ])
    ->fields('lt', [
    'lid',
    'translation',
  ])
    ->condition('i18n.type', 'vocabulary');
  $query->addField('lt', 'language', 'lt.language');
  // The i18n_strings table has two columns containing the object ID, objectid
  // and objectindex. The objectid column is a text field. Therefore, for the
  // join to work in PostgreSQL, use the objectindex field as this is numeric
  // like the vid field.
  $query->join('i18n_strings', 'i18n', '[v].[vid] = [i18n].[objectindex]');
  $query->innerJoin('locales_target', 'lt', '[lt].[lid] = [i18n].[lid]');
  return $query;
}