On Tue, Jul 18, 2017 at 01:36:32PM +0200, david.turon@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?