Document jsonpath .** accessor with nesting level filter

Alexander Korotkov <akorotkov@postgresql.org>

Commit: e0e3dad770d3eefc4ee6cd562d9c25b61c263a6e
Author: Alexander Korotkov <akorotkov@postgresql.org>
Date: 2019-05-19T04:43:19Z
Releases: 12.0
Document jsonpath .** accessor with nesting level filter

It appears that some variants of .** jsonpath accessor are undocumented.  In
particular undocumented variants are:

 .**{level}
 .**{lower_level to upper_level}
 .**{lower_level to last}

This commit adds missing documentation for them.

Files

PathChange+/−
doc/src/sgml/json.sgml modified +24 −0

Documentation touched