Bruce Momjian wrote: >> ! distinct column values, a generic plan assumes a column equality >> ! comparison will match 33% of processed rows. Column statistics >> >> ... assumes *that* a column equality comparison will match 33% of *the* >> processed rows. > > Uh, that seems overly wordy. I think the rule is that if the sentence > makes sense without the words, you should not use them, but it is > clearly a judgement call in this case. Do you agree?
My gut feeling is that at least the "the" should be retained, but mine are the guts of a German speaker. It is clearly a judgement call, so follow your instincts. > Updated patch attached. > > One more thing --- there was talk of moving some of this into chapter > 66, but as someone already mentioned, there are no subsections there > because it is a dedicated topic: > > 66. How the Planner Uses Statistics. > > I am not inclined to add a prepare-only section to that chapter. On the > other hand, the issues described apply to PREPARE and to protocol-level > prepare, so having it in PREPARE also seems illogical. However, I am > inclined to leave it in PREPARE until we are ready to move all of this > to chapter 66. I think it would be ok to leave it where it is in your patch; while the paragraph goes into technical detail, it is still alright in the general documentation (but only just). Yours, Laurenz Albe -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers