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Re: SQL/JSON: functions

Andrew Dunstan <andrew@dunslane.net>

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From: Andrew Dunstan <andrew@dunslane.net>
To: a.kozhemyakin@postgrespro.ru
Cc: Greg Stark <stark@mit.edu>, Tom Lane <tgl@sss.pgh.pa.us>, Andres Freund <andres@anarazel.de>, Nikola Ivanov <kolioffx@gmail.com>, Himanshu Upadhyaya <upadhyaya.himanshu@gmail.com>, Nikita Glukhov <n.gluhov@postgrespro.ru>, PostgreSQL-development <pgsql-hackers@lists.postgresql.org>, Dmitry Dolgov <9erthalion6@gmail.com>, Oleg Bartunov <obartunov@postgrespro.ru>, Erik Rijkers <er@xs4all.nl>
Date: 2022-07-07T21:49:02Z
Lists: pgsql-hackers 
On 2022-07-07 Th 14:35, Andrew Dunstan wrote:
> On 2022-07-07 Th 12:38, a.kozhemyakin@postgrespro.ru wrote:
>> Hello hackers,
>> On branch REL_15_STABLE the following query: SELECT
>> JSON_SERIALIZE('{"a":1}' RETURNING jsonb);
>>
>> produces SIGSEGV for me:





You're not supposed to be able to do that - see the docs on
json_serialize. I've committed a patch that detects this and causes an
error instead of a segfault.


cheers


andrew


--
Andrew Dunstan
EDB: https://www.enterprisedb.com

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.