Hi, On 2018-10-25 11:43:39 +0200, GPT wrote: > I have faced an incident which, according to the developer, "The > problem seems to be that pgsql switches from a CONST sub-expression > into a FUNCEXPR after a few goes, ..." > > Please have a look at the following two links which describe the problem: > > https://github.com/nahanni/rw_redis_fdw/issues/13 > https://github.com/nahanni/rw_redis_fdw/issues/14 > > The first link (13) has to do with PG10.x version. > The second one (14) has to do with PG11 version in which the developer > traces the "problem". > > Please check and comment. The developer of the FDW seems to have made the requisite fixes. I'm not sure what you'd like us to do? Greetings, Andres Freund