1

Following the documentation on https://www.drupal.org/docs/7/api/database-api/dynamic-queries/joins I have constructed a very simple dynamic query with join:

$query = db_select('node', 'n')
     ->condition('n.uid', $promoter, '=')
     ->condition('n.type', 'campaign', '=')
     ->condition('n.status', '1', '=')
     ->fields('n', array('nid'));
     $query->join('field_data_field_department', 'd', 'n.nid = d.entity_id');

  $result = $query->execute();
    foreach ($result as $record) {
      debug($record);
}

and it only returns nids whereas the expected results were nids together with the field_data_field_department field values. What should the correct query.

2

You're only selecting the nid field, you just need some more:

...
->fields('n', array('nid'))
->fields('d', array('fields', 'you', 'want'));
  • It is giving: PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'd.field_data_field_department' in 'field list': SELECT n.nid AS nid, d.field_data_field_department AS field_data_field_department FROM {node} n INNER JOIN {field_data_field_department} d ON n.nid = d.entity_id WHERE... – Nick Jan 8 '17 at 4:19

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