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Functions are hard barriers for optimization and I don't see that changing any time soon. Which goes even so far that EXPLAIN doesn't work on them and you just
by bhaak 3y ago
Functions are hard barriers for optimization and I don't see that changing any time soon.
Which goes even so far that EXPLAIN doesn't work on them and you just get a black box of "Function call to ..." in the execution plan.
Using auto_explain is the only workaround known to me for that.