On 3/7/18 5:43 AM, Alvaro Herrera wrote: I searched for the new GIN operator so that I > could brush it up for commit ahead of the rest -- only to find out that > it was eviscerated from the patch between v5 and v5.1. > > The latest version of the patch which contained the new GIN operator is version `*Array-ELEMENT-foreign-key-v6.patch <https://www.postgresql.org/message-id/attachment/58007/Array-ELEMENT-foreign-key-v6.patch>*` which works fine and passed all the regression tests at the time (2018-01-21). We abandoned the GIN operator since it couldn't follow the same logic as the rest of GIN operators use since it operates on a Datum not an array. Not because of any error.
just as Andreas said On Wed, Jan 31, 2018 at 1:52 AM, Andreas Karlsson <andreas(at)proxel(dot)se> wrote: The issue I see is that > ginqueryarrayextract() needs to make a copy of the search key but to do > so it needs to know the type of anyelement (to know if it needs to > detoast, etc). But there is as far as I can tell no way to check the > type of anyelement in this context. > > If there is any way to obtain a copy of the datum I would be more than happy to integrate the GIN operator to the patch. Best. Mark Rofail