Hi, In [1], we discussed adding some lines regarding the fact that SQL functions always use generic plan. Here is the suggested patch. I've tested on V17 and V12. It does not concern V18. Regards, Renan [1] https://www.postgresql.org/message-id/CAApHDvp3EDrVhGjmb21bceJ5-Y7iXKOn2UGG3-ngp_9ob_mpLw%40mail.gmail.com
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