public function views_handler_field_ncs_last_comment_name::query in Views (for Drupal 7) 7.3

Same name and namespace in other branches

1. 6.3 modules/comment/views_handler_field_ncs_last_comment_name.inc \views_handler_field_ncs_last_comment_name::query()
2. 6.2 modules/comment/views_handler_field_ncs_last_comment_name.inc \views_handler_field_ncs_last_comment_name::query()

Called to add the field to a query.

Overrides views_handler_field::query

File

modules/comment/views_handler_field_ncs_last_comment_name.inc, line 18

Definition of views_handler_field_ncs_last_comment_name.

Class

views_handler_field_ncs_last_comment_name

Field handler to present the name of the last comment poster.

Code

public function query() {

  // 'last_comment_name' only contains data if the user is anonymous, so join
  // in a specially related user table.
  $this
    ->ensure_my_table();

  // Join 'users' to this table via vid.
  $join = new views_join();
  $join
    ->construct('users', $this->table_alias, 'last_comment_uid', 'uid');
  $join->extra = array(
    array(
      'field' => 'uid',
      'operator' => '!=',
      'value' => '0',
    ),
  );

  // 'ncs_user' alias so this can work with the sort handler, below.
  // $this->user_table = $this->query
  //   ->add_relationship(NULL, $join, 'users', $this->relationship);
  $this->user_table = $this->query
    ->ensure_table('ncs_users', $this->relationship, $join);
  $this->field_alias = $this->query
    ->add_field(NULL, "COALESCE({$this->user_table}.name, {$this->table_alias}.{$this->field})", $this->table_alias . '_' . $this->field);
  $this->user_field = $this->query
    ->add_field($this->user_table, 'name');
  $this->uid = $this->query
    ->add_field($this->table_alias, 'last_comment_uid');
}