Question 1

How do I set up multiple search indexes in Mongoid Search?

Accepted Answer

Define additional indexes in the search_in method with the index parameter, like `search_in :unit, index: :_unit_keywords`, and use the index option in full_text_search to specify which one to search, as shown in the examples for separate keyword arrays.

Question 2

Can Mongoid Search handle partial word matches?

Accepted Answer

Yes, it supports partial matching by default, and you can configure regex patterns in the initializer for more control, though the README warns that regex searches are slower and should be used cautiously for performance.

Question 3

What's the difference between Mongoid Search and Elasticsearch for a Ruby app?

Accepted Answer

Mongoid Search is simpler and integrated directly with Mongoid, ideal for small to medium datasets with basic search needs, while Elasticsearch offers more advanced features and scalability but requires external setup and maintenance overhead.

Question 4

How to reindex all existing records in Mongoid Search?

Accepted Answer

Run the rake task `rake mongoid_search:index`, which updates the _keywords fields for all models, ensuring search functionality works on pre-existing data without manual updates.

Question 5

Does Mongoid Search support relevance scoring?

Accepted Answer

Yes, enable relevant_search in the configuration or per query, and it adds relevance scores to results, but note that it returns an Array instead of a Criteria object, limiting chainable queries.

Question 6

How to ignore common words like 'a' or 'an' in searches?

Accepted Answer

Configure an ignore_list in the initializer, either as an array of words or loaded from a file, to exclude them from indexing and search, as detailed in the config.ignore_list options.

Mongoid Search

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