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Pro Drupal Development, Second Edition by John K. VanDyk

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CHAPTER 12Searching and Indexing Content

Both MySQL and PostgreSQL have built-in full-text search capabilities. While it's very easy to use these database-specific solutions to build a search engine, you sacrifice control over the mechanics and lose the ability to fine-tune the system according to the behavior of your application. What the database sees as a high-ranking word might actually be considered a "noise" word by the application if it had a say.

The Drupal community decided to build a custom search engine in order to implement Drupal-specific indexing and page-ranking algorithms. The result is a search engine that walks, talks, and quacks like the rest of the Drupal framework with a standardized configuration and user interface—no matter ...

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