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Hacking with Arel
Here I show a variety of ways to rewrite a long SQL query using only Active Record and Arel. This includes generating scopes dynamically, adding an "or" operator, and adding a powerful "match" method.
(15 minutes)
Full-Text Search in PostgreSQL
Postgres offers full-text searching right out of the box. This episode shows how to write queries from scratch, apply tools like Texticle and pg_search, and optimize performance through indexes.
(16 minutes)
ElasticSearch Part 2
This final part on ElasticSearch and Tire will show how to make more complex search queries, customize the indexing, and add facets.
(16 minutes)