Re: please define 'statement' in the glossary
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Laurenz Albe <laurenz.albe@cybertec.at>
Cc: "David G. Johnston" <david.g.johnston@gmail.com>, petermittere@gmail.com,
pgsql-docs@lists.postgresql.org
Date: 2025-07-14T15:17:34Z
Lists: pgsql-docs
Laurenz Albe <laurenz.albe@cybertec.at> writes: > On Sun, 2025-07-13 at 17:32 -0700, David G. Johnston wrote: >> We seldom if ever resort to including descriptions involving the fe/be protocol >> in the SQL portion of the documentation - rightly considering (IMO) those to be >> implementation details (e.g., we don't even directly mention simple protocol in >> "psql -c" - though we do link to it under "multi-statement commands"). >> Is there no way to avoid that here? > Well, I would have gladly removed the parenthetical remark, thinking that if > somebody needed to know precisely, she'd read up in the code. The point that I wanted to convey in this para is that statement_timestamp() advances when we receive a command from the client. I don't think that that concept is too deep for the average user, we just need to choose the right words to convey it. Sadly, "SQL statement" doesn't have the right connotations, since for example a command within a SQL-language function is surely a "SQL statement" for most purposes. We're stuck with the function name, but how can we explain it? I understand David's allergy to mentioning the wire protocol. Would "client message" be better than "protocol message"? I also still like "command message", even if we're avoiding the word "command" elsewhere in the para. regards, tom lane
Commits
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Doc: clarify description of current-date/time functions.
- 0e2cc385b97e 13.22 landed
- 209a22d794d5 14.19 landed
- 5ea9d9ac0c33 15.14 landed
- 2e7390928e80 16.10 landed
- bdb052f53b1a 17.6 landed
- c33e55ac91d2 18.0 landed
- 8ffd9ac3b206 19 (unreleased) landed
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Some editorial work on the documentation of the current-date/time
- eaf8f312c754 8.2.0 cited