On 3/30/18 10:40, Bruce Momjian wrote: > On Fri, Mar 16, 2018 at 01:56:32AM -0300, Euler Taveira wrote: >> 2018-03-09 0:10 GMT-03:00 PG Doc comments form <nore...@postgresql.org>: >>> From testing, it seems like PostgreSQL supports the syntax "IS NOT DOCUMENT" >>> in addition to "IS DOCUMENT", similar to "IS NOT NULL", "IS NOT FALSE", etc, >>> however this does not appear to be documented, only "IS DOCUMENT" is. >>> >> It has been like that since day 1. I'm not sure why it was not >> documented. It already has some tests. I'll bet that was an oversight. >> Should we repeat the statement in another item (like the attached >> patch)? Another option is to add a statement in the "IS DOCUMENT" >> item. I'm afraid that NULL return wouldn't be clear. >> > > Patch applied and backpatched to Postgres 10. Thank.s
Per the nearby discussion, this should probably also be backpatched further. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
