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This article explores the process of taking HTML content from Drupal nodes and indexing it for the purpose of search and text retrieval at a later time. The code examples apply to Drupal 6. Finding what to index Indexing happens when cron.php is run, and the search module starts the whole process by invoking hook_update_index. This gives each module the chance to keep its search index needs up to date. This article follows what happens in the node module's ... More

In the same way that the Internet itself would not have achieved greatness without the ability to search it easily and efficiently, Drupal's greatness will always be tied directly to the effectiveness of its core search solution. Improving core search for Drupal 7 will be no small task, however. The current implementation is both elegant but complex, robust yet inflexible. The seven coders participating in the Minnesota Search Sprint this weekend have a great challenge as well as a great opportunity. Here are some of the... More