Horton

Re: SQL/JSON features for v15

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, Robert Haas <robertmhaas@gmail.com>, "Jonathan S. Katz" <jkatz@postgresql.org>, Nikita Glukhov <n.gluhov@postgrespro.ru>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Andrew Dunstan <andrew@dunslane.net>, Michael Paquier <michael@paquier.xyz>, John Naylor <john.naylor@enterprisedb.com>, Amit Langote <amitlangote09@gmail.com>
Date: 2022-08-23T17:45:38Z
Lists: pgsql-hackers 
Pavel Stehule <pavel.stehule@gmail.com> writes:
> út 23. 8. 2022 v 19:27 odesílatel Andres Freund <andres@anarazel.de> napsal:
>> I think that's not true unfortunately. You can specify return types, and
>> composite types can be populated. Which essentially requires arbitrary
>> coercions.

> Please, can you send an example? Maybe we try to fix a feature that is not
> required by standard.

Even if it is required by spec, I'd have zero hesitation about tossing
that case overboard if that's what we need to do to get to a shippable
feature.

			regards, tom lane

Commits

  1. JSON_TABLE: Add support for NESTED paths and columns

  2. Add basic JSON_TABLE() functionality

  3. Add SQL/JSON query functions

  4. Add soft error handling to some expression nodes

  5. Adjust populate_record_field() to handle errors softly

  6. Refactor code used by jsonpath executor to fetch variables

  7. Add more SQL/JSON constructor functions

  8. SQL/JSON: support the IS JSON predicate

  9. SQL/JSON: add standard JSON constructor functions

  10. Revert SQL/JSON features

  11. Numeric error suppression in jsonpath