Re: JSON/SQL: jsonpath: incomprehensible error message - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: JSON/SQL: jsonpath: incomprehensible error message
Date
Msg-id CAA4eK1+3KpN-GC5Up4cFgsKEto1s4pXxS=qR_H7mJbg_Zx5tpA@mail.gmail.com
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In response to Re: JSON/SQL: jsonpath: incomprehensible error message  (Erik Rijkers <er@xs4all.nl>)
Responses Re: JSON/SQL: jsonpath: incomprehensible error message  (Andrew Dunstan <andrew@dunslane.net>)
List pgsql-hackers
On Wed, Jun 29, 2022 at 6:58 PM Erik Rijkers <er@xs4all.nl> wrote:
>
> Op 29-06-2022 om 15:00 schreef Amit Kapila:
> > On Mon, Jun 27, 2022 at 8:46 PM Andrew Dunstan <andrew@dunslane.net> wrote:
> >>
> >> On 2022-06-26 Su 11:44, Erik Rijkers wrote:
> >>> JSON/SQL jsonpath
> >>>
> >>> For example, a jsonpath string with deliberate typo 'like_regexp'
> >>> (instead of 'like_regex'):
> >>>
> >>> select js
> >>> from (values (jsonb '{}')) as f(js)
> >>> where js @? '$ ? (@ like_regexp "^xxx")';
> >>>
> >>> ERROR:  syntax error, unexpected IDENT_P at or near " " of jsonpath input
> >>> LINE 1: ...s from (values (jsonb '{}')) as f(js) where js @? '$ ? (@
> >>> li...
> >>>
> >>> Both  'IDENT_P'  and  'at or near " "'  seem pretty useless.
> >>>
>
> > removing this. One thing that is not clear to me is why OP sees an
> > acceptable message (ERROR:  syntax error, unexpected invalid token at
> > or near "=" of jsonpath input) for a similar query in 14?
>
> To mention that was perhaps unwise of me because The  IDENT_P (or more
> generally, *_P)  messages can be provoked on 14 too.
>

Okay, then I think it is better to backpatch this fix.

-- 
With Regards,
Amit Kapila.



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