| From: | jian he <jian(dot)universality(at)gmail(dot)com> |
|---|---|
| To: | "David E(dot) Wheeler" <david(at)justatheory(dot)com> |
| Cc: | Erik Wienhold <ewie(at)ewie(dot)name>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Patch: Improve Boolean Predicate JSON Path Docs |
| Date: | 2023-10-19 05:22:06 |
| Message-ID: | CACJufxHaUC=mFzWiR_KfrNdWc0totTqvVYQACJHTP0CT2T5T3g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Oct 17, 2023 at 10:56 AM David E. Wheeler <david(at)justatheory(dot)com> wrote:
>
>
> Oh, I thought it would report issues from the files they were found in. You’re right, I forgot a title. Fixed in v4.
>
> David
>
+ Returns the result of a JSON path
+ <link linkend="boolean-predicate-path-expressions">predicate
+ check</link> for the specified JSON value. If the result is
not Boolean,
+ then <literal>NULL</literal> is returned. Do not use with non-predicate
+ JSON path expressions.
"Do not use with non-predicate", double negative is not easy to
comprehend. Maybe we can simplify it.
16933: value. Use only SQL-standard JSON path expressions, not not
there are two "not".
15842: SQL-standard JSON path expressions, not not
there are two "not".
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