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

Same name and namespace in other branches

1. 6.3 modules/search/views_handler_filter_search.inc \views_handler_filter_search::query()
2. 6.2 modules/search/views_handler_filter_search.inc \views_handler_filter_search::query()

Add this filter to the query.

Due to the nature of fapi, the value and the operator have an unintended level of indirection. You will find them in $this->operator and $this->value respectively.

Overrides views_handler_filter::query

File

modules/search/views_handler_filter_search.inc, line 126

Definition of views_handler_filter_search.

Class

views_handler_filter_search

Field handler to provide simple renderer that allows linking to a node.

Code

public function query() {

  // Since attachment views don't validate the exposed input, parse the search
  // expression if required.
  if (!$this->parsed) {
    $this
      ->query_parse_search_expression($this->value);
  }
  $required = FALSE;
  if (!isset($this->search_query)) {
    $required = TRUE;
  }
  else {
    $words = $this->search_query
      ->words();
    if (empty($words)) {
      $required = TRUE;
    }
  }
  if ($required) {
    if ($this->operator == 'required') {
      $this->query
        ->add_where($this->options['group'], 'FALSE');
    }
  }
  else {
    $search_index = $this
      ->ensure_my_table();
    $search_condition = db_and();
    if (!$this->options['remove_score']) {

      // Create a new join to relate the 'serach_total' table to our current
      // 'search_index' table.
      $join = new views_join();
      $join
        ->construct('search_total', $search_index, 'word', 'word');
      $search_total = $this->query
        ->add_relationship('search_total', $join, $search_index);
      $this->search_score = $this->query
        ->add_field('', "{$search_index}.score * {$search_total}.count", 'score', array(
        'aggregate' => TRUE,
        'function' => 'sum',
      ));
    }
    if (empty($this->query->relationships[$this->relationship])) {
      $base_table = $this->query->base_table;
    }
    else {
      $base_table = $this->query->relationships[$this->relationship]['base'];
    }
    $search_condition
      ->condition("{$search_index}.type", $base_table);
    if (!$this->search_query
      ->simple()) {
      $search_dataset = $this->query
        ->add_table('search_dataset');
      $conditions = $this->search_query
        ->conditions();
      $condition_conditions =& $conditions
        ->conditions();
      foreach ($condition_conditions as $key => &$condition) {

        // Take sure we just look at real conditions.
        if (is_numeric($key)) {

          // Replace the conditions with the table alias of views.
          $this->search_query
            ->condition_replace_string('d.', "{$search_dataset}.", $condition);
        }
      }
      $search_conditions =& $search_condition
        ->conditions();
      $search_conditions = array_merge($search_conditions, $condition_conditions);
    }
    else {

      // Stores each condition, so and/or on the filter level will still work.
      $or = db_or();
      foreach ($words as $word) {
        $or
          ->condition("{$search_index}.word", $word);
      }
      $search_condition
        ->condition($or);
    }
    $this->query
      ->add_where($this->options['group'], $search_condition);
    $this->query
      ->add_groupby("{$search_index}.sid");
    $matches = $this->search_query
      ->matches();
    $placeholder = $this
      ->placeholder();
    $this->query
      ->add_having_expression($this->options['group'], "COUNT(*) >= {$placeholder}", array(
      $placeholder => $matches,
    ));
  }

  // Set to NULL to prevent PDO exception when views object is cached.
  $this->search_query = NULL;
}