Re: Cleaning up and speeding up string functions
От | ilmari@ilmari.org (Dagfinn Ilmari Mannsåker) |
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Тема | Re: Cleaning up and speeding up string functions |
Дата | |
Msg-id | d8j4l3eurcy.fsf@dalvik.ping.uio.no обсуждение исходный текст |
Ответ на | Re: Cleaning up and speeding up string functions (David Rowley <david.rowley@2ndquadrant.com>) |
Ответы |
Re: Cleaning up and speeding up string functions
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Список | pgsql-hackers |
David Rowley <david.rowley@2ndquadrant.com> writes: > On Thu, 4 Jul 2019 at 13:51, David Rowley <david.rowley@2ndquadrant.com> wrote: >> Instead of having 0004, how about the attached? >> >> Most of the calls won't improve much performance-wise since they're so >> cheap anyway, but there is xmlconcat(), I imagine that should see some >> speedup. > > I've pushed this after having found a couple more places where the > length is known. I noticed a lot of these are appending one StringInfo onto another; would it make sense to introduce a helper funciton appendStringInfoStringInfo(StringInfo str, StringInfo str2) to avoid the `str.data, str2.len` repetition? - ilmari -- "A disappointingly low fraction of the human race is, at any given time, on fire." - Stig Sandbeck Mathisen
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