Horton

Re: WIP Incremental JSON Parser

Andrew Dunstan <andrew@dunslane.net>

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From: Andrew Dunstan <andrew@dunslane.net>
To: Nathan Bossart <nathandbossart@gmail.com>
Cc: Jelte Fennema-Nio <postgres@jeltef.nl>, Tom Lane <tgl@sss.pgh.pa.us>, Amit Langote <amitlangote09@gmail.com>, Jacob Champion <jacob.champion@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>, Peter Smith <smithpb2250@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2024-04-05T20:09:58Z
Lists: pgsql-hackers 
On 2024-04-05 Fr 11:43, Nathan Bossart wrote:
> On Fri, Apr 05, 2024 at 10:15:45AM -0400, Andrew Dunstan wrote:
>> On 2024-04-04 Th 15:54, Nathan Bossart wrote:
>>> On Thu, Apr 04, 2024 at 03:31:12PM -0400, Andrew Dunstan wrote:
>>>> Does the attached patch fix it for you?
>>> It clears up 2 of the 3 warnings for me:
>>>
>>> ../postgresql/src/common/jsonapi.c: In function ‘IsValidJsonNumber’:
>>> ../postgresql/src/common/jsonapi.c:2018:30: error: ‘dummy_lex.inc_state’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
>>>    2018 |  if (lex->incremental && !lex->inc_state->is_last_chunk &&
>>>         |
>> Thanks, please try this instead.
> LGTM, thanks!
>

Thanks for checking. Pushed.


cheers


andrew

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

Commits

  1. Post review fixes for test_json_parser test module

  2. Shrink test file for test_json_parser module

  3. Add support for incrementally parsing backup manifests

  4. Introduce a non-recursive JSON parser

  5. Use incremental parsing of backup manifests.