On Tue, Jul 18, 2017 at 01:36:32PM +0200, david.tu...@linuxbox.cz wrote:
> Hi,
>
> some users and me used hstore - hstore for example storing only changed
> rows in trigger like:
>
> hstore(NEW) - hstore(OLD)
>
> There isn't same operator/function in JSON/JSONB. We can only remove keys
> from JSONB, but not equal key-value pairs. Is there any chance to have
> same feature with JSON/JSONB in postgres core?
What would - mean precisely for JSON[B]?
For example, what would you expect
SELECT '{"a": 1, "b": {"c": 2}}'::JSONB - '{"b": 1, "b": {"c": 3}}'::JSONB
to yield?
Best,
David.
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