public function SearchApiAbstractDataSourceController::getChangedItems in Search API 7

Retrieves a list of items that need to be indexed.

If possible, completely unindexed items should be returned before items that were indexed but later changed. Also, items that were changed longer ago should be favored.

Parameters

SearchApiIndex $index: The index for which changed items should be returned.

int $limit: The maximum number of items to return. Negative values mean "unlimited".

Return value

array The IDs of items that need to be indexed for the given index.

Throws

SearchApiDataSourceException If any error state was encountered.

Overrides SearchApiDataSourceControllerInterface::getChangedItems

1 method overrides SearchApiAbstractDataSourceController::getChangedItems()

SearchApiExternalDataSourceController::getChangedItems in includes/datasource_external.inc

Get a list of items that need to be indexed.

File

includes/datasource.inc, line 792

Contains the SearchApiDataSourceControllerInterface as well as a default base class.

Class

SearchApiAbstractDataSourceController

Provides a default base class for datasource controllers.

Code

public function getChangedItems(SearchApiIndex $index, $limit = -1) {
  if ($limit == 0) {
    return array();
  }
  $this
    ->checkIndex($index);
  $select = db_select($this->table, 't');
  $select
    ->addField('t', $this->itemIdColumn);
  $select
    ->condition($this->indexIdColumn, $index->id);
  $select
    ->condition($this->changedColumn, 0, '>');
  $select
    ->orderBy($this->changedColumn, 'ASC');
  if ($limit > 0) {
    $select
      ->range(0, $limit);
  }
  return $select
    ->execute()
    ->fetchCol();
}