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Re: SQL/JSON: functions

Pavel Stehule <pavel.stehule@gmail.com>

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From: Pavel Stehule <pavel.stehule@gmail.com>
To: Nikita Glukhov <n.gluhov@postgrespro.ru>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>, Erik Rijkers <er@xs4all.nl>, Alvaro Herrera <alvherre@2ndquadrant.com>, Thomas Munro <thomas.munro@gmail.com>, Andrew Alsup <bluesbreaker@gmail.com>, Andres Freund <andres@anarazel.de>, Dmitry Dolgov <9erthalion6@gmail.com>, Oleg Bartunov <obartunov@postgrespro.ru>, Alexander Korotkov <a.korotkov@postgrespro.ru>, Michael Paquier <michael@paquier.xyz>, Simon Riggs <simon@2ndquadrant.com>, Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Date: 2020-03-12T13:41:17Z
Lists: pgsql-hackers 
čt 12. 3. 2020 v 0:09 odesílatel Nikita Glukhov <n.gluhov@postgrespro.ru>
napsal:

> Attached 43rd version of the patches.
>
> The previous patch #4 ("Add function formats") was removed.
> Instead, introduced new executor node JsonCtorExpr which is used to wrap
> SQL/JSON constructor function calls (FuncExpr, Aggref, WindowFunc).
>
> Also, JsonIsPredicate node began to be used as executor node.
> This helped to remove unnecessary json[b]_is_valid() user functions.
>
>
It looks very well - all tests passed, code looks well.

Now, when there are special nodes, then the introduction of
COERCE_INTERNAL_CAST is not necessary, and it is only my one and last
objection again this patch's set.

Regards

Pavel


> On 06.03.2020 11:16, Pavel Stehule wrote:
>
> make check fails
>
> but probably it is only forgotten actualization
>
> Fixed.
>
>
> --
> Nikita Glukhov
> Postgres Professional: http://www.postgrespro.com
> The Russian Postgres Company
>

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  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. Improve readability of SQL/JSON documentation.

  11. Documentation for SQL/JSON features

  12. RETURNING clause for JSON() and JSON_SCALAR()

  13. SQL JSON functions

  14. SQL/JSON query functions

  15. IS JSON predicate

  16. SQL/JSON constructors

  17. Common SQL/JSON clauses

  18. Doc: remove obsolete entries in table of BRIN strategy numbers.

  19. Doc: standardize markup a bit more.

  20. Make pg_regress.c unset PGDATABASE during make installcheck.

  21. Fix handling of GENERATED columns in CREATE TABLE LIKE INCLUDING DEFAULTS.