/**
* Implementation of hook_nodeapi()
* For adding additional data to search index
*
*/
function sitehelper_nodeapi(&$node, $op, $teaser, $page) {
    switch ($op) {

        //Update search index with keyword fields contents
        case 'update':
            if($node->type == 'product') {
                //Add field data to be indexed.
                search_index($node->nid,'node', $node->field_search_keywords[0]['value']);
            }
            break;
    }
}

force fields to be added to the search index on update

Drupal force search index on update

search, drupal

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