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by cultofmetatron 2246 days ago
seriously.. I'm building out some functionality using plpgsql and have used it. This is going to be haunting my dreams
1 comments

there is possible performance hit [1]. Also, it could mean that the data granularity has not been modeled well if there are duplicate rows.

https://sqlperformance.com/2017/01/t-sql-queries/surprises-a...