Re: SQL Property Graph Queries (SQL/PGQ)

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От Junwang Zhao
Тема Re: SQL Property Graph Queries (SQL/PGQ)
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Msg-id CAEG8a3JksCdJuzkJ+gLh1Qi=jd2zRgsc3+AQ4aw64-C-87Jhsg@mail.gmail.com
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Ответ на Re: SQL Property Graph Queries (SQL/PGQ)  (Peter Eisentraut <peter@eisentraut.org>)
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On Tue, Nov 25, 2025 at 9:58 PM Peter Eisentraut <peter@eisentraut.org> wrote:
>
> On 20.11.25 16:00, Ashutosh Bapat wrote:
> >> 5.
> >>
> >> src/backend/catalog/sql_features.txt
> >>
> >> +G034 Path concatenation YES SQL/PGQ required
> >>
> >> Do we support path concatenation?
> > I don't think so. But let Peter confirm it.
>
> AFAICT, path concatenation just allows that you can write multiple
> element patterns in a row, like ()-[]->().  I don't see how it could
> make sense to not support that.

Yeah, I just took a look at the SQL/PGQ standard

<path concatenation> ::=
    <path term> <path factor>

Now I understand, thanks.


--
Regards
Junwang Zhao



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