Hi Tom, Then I guess I will need to read that part of the chapter again. Many thanks for the clarification.
Gokhan. On Mon, Nov 20, 2017 at 12:17 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > demirgok...@gmail.com writes: > > The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/9.4/static/datatype-json.html > > Description: > > > Shouldn't be below statement: > > > "Although the jsonb_path_ops operator class supports only queries > with the > > @> operator, it has notable performance advantages over the default > operator > > class jsonb_ops." > > > corrected to: > > > "Although the jsonb_path_ops operator class supports only queries > with the ? > > operator, it has notable performance advantages over the default operator > > class jsonb_ops." > > Uh, no, I don't think so: > > regression=# select oid from pg_opfamily where opfname = 'jsonb_path_ops'; > oid > ------ > 4037 > (1 row) > > regression=# select amopopr::regoperator from pg_amop where amopfamily = > 4037; > amopopr > ----------------- > @>(jsonb,jsonb) > (1 row) > > regards, tom lane >
