Please see attached a small patch to document why some text-processing functions are marked as leakproof, while some others are not.
This is more or less a verbatim copy of Tom's comment in email thread at [1]. I could not find an appropriate spot to place these comments, so I placed them on bttextcmp() function, The only other place that I could see we can place these comments is in the file src/backend/optimizer/README, because there is some consideration given to leakproof functions in optimizer docs. But these comments seem quite out of place in optimizer docs. [1]: https://www.postgresql.org/message-id/flat/673096.1630006990%40sss.pgh.pa.us#cd378cba4b990fda070c6fa4b51a069c Best regards, -- Gurjeet Singh http://gurjeet.singh.im/
leakproof_comments.patch
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