On Wed, May 12, 2021 at 06:06:31PM -0400, Álvaro Herrera wrote: > On 2021-May-12, Bruce Momjian wrote: > > > OK, I added it into the existing entry: > > > > <listitem> > > <!-- > > Author: Alexander Korotkov <akorot...@postgresql.org> > > 2021-01-31 [676887a3b] Implementation of subscripting for jsonb > > Author: Alexander Korotkov <akorot...@postgresql.org> > > 2021-01-31 [81fcc72e6] Filling array gaps during jsonb subscripting > > Author: Alexander Korotkov <akorot...@postgresql.org> > > 2021-01-31 [aa6e46daf] Throw error when assigning jsonb scalar instead > > of a com > > --> > > > > <para> > > Allow subscripting of jsonb (Dmitry Dolgov) > > </para> > > > > <para> > > Subscripting can be used to extract from and assign to jsonb documents. > > Subscripting is now extensible so extensions and built-in data type can > > make use of this. > > </para> > > </listitem> > > I dunno, this seems to approach the feature from the specifics rather > than its full generality. I would have said something like > > Make subscripting user-extensible for "container" types > <!-- maybe "array-like types" --> > > Subscripting JSONB is now integrated in core, and adding user-defined > subscripting for other types is possible.
I wanted to highlight the more useful aspect of this change, which I think is JSBONB subscripting. Here is an updated version. Changes? <listitem> <!-- Author: Alexander Korotkov <akorot...@postgresql.org> 2021-01-31 [676887a3b] Implementation of subscripting for jsonb Author: Alexander Korotkov <akorot...@postgresql.org> 2021-01-31 [81fcc72e6] Filling array gaps during jsonb subscripting Author: Alexander Korotkov <akorot...@postgresql.org> 2021-01-31 [aa6e46daf] Throw error when assigning jsonb scalar instead of a com --> <para> Allow subscripting of JSONB and simplify the implementation of subscripting (Dmitry Dolgov) </para> <para> JSONB subscripting can be used to extract from and assign to JSONB documents. Extensions and built-in data types can now implement subscripting more easily. </para> </listitem> -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.