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MrMage avatar MrMage commented on May 14, 2024 1

Note that LIMIT/range() queries will still scan the entire table in this case, as a random number needs to be generated for every single row before sorting. That can have unexpected performance implications.

Efficiently fetching a random subset of rows from Postgres is not that easy: https://stackoverflow.com/questions/8674718/best-way-to-select-random-rows-postgresql

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tanner0101 avatar tanner0101 commented on May 14, 2024

I agree, we should add this. First, we will need to add something like SQLRandom() to https://github.com/vapor/sql-kit that calls on the SQLDialect to get the correct function name.

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tkoehlerlg avatar tkoehlerlg commented on May 14, 2024

is this now implemented?

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