From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
---|---|
To: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Vitaly Burovoy <vitaly(dot)burovoy(at)gmail(dot)com> |
Cc: | David Steele <david(at)pgmasters(dot)net>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [PATH] Jsonb, insert a new value into an array at arbitrary position |
Date: | 2016-04-05 16:42:36 |
Message-ID: | 5703EAFC.8020008@sigaev.ru |
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Thread: | |
Lists: | pgsql-hackers |
> I've been asked to look at and comment on the SQL API of the feature. I think
> it's basically sound, although there is one thing that's not clear from the
> regression tests: what happens if we're inserting into an object and the key
> already exists? e.g.:
>
> select jsonb_insert('{"a": {"b": "value"}}', '{a, b}', '"new_value"');
>
> I think this should be forbidden, i.e. the function shouldn't ever overwrite an
> existing value. If that's not handled it should be, and either way there should
> be a regression test for it.
I'm agree about covering this case by tests, but I think it should be allowed.
In this case it will work exactly as jsbonb_set
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/
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