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Alex Rivera
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I have a few massive SQL request involving join across various models in my rails application. A single request can involve 6 to 10 tables. To run the request faster I want to use sub-queries in the joins (that way I can filter these tables before the join and reduce the columns to the ones I need). I'm trying to achieve this using ARel. I thought I found the solution to my problem there: How to do joins on subqueries in AREL within Rails , but things must have changed because I get undefined method '[]' for Arel::SelectManager . Does anybody have any idea how to achieve this (without using strings) ?
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