Bruce Momjian <bruce@momjian.us> writes:
> OK, I moved the entry into 'data types', and listed two entries instead
> of one:
> <para>
> Allow extensions and built-in data types to implement subscripting (Tom Lane)
> </para>
Better, but Dmitry Dolgov gets the credit not me.
> <para>
> Previously subscript handling was hard-coded into the server and
> was difficult to add to date types.
> </para>
> </listitem>
"Difficult"? I don't think it was possible at all. Perhaps
Previously subscript handling was hard-coded into the server,
so that subscripting could only be applied to array types.
This change allows subscript notation to be used to extract
or assign portions of a value of any type for which the concept
makes sense.
> JSONB subscripting can be used to extract from and assign to
> JSONB documents.
Perhaps "extract and assign to portions of JSONB documents" or
something like that?
regards, tom lane
