Fujii Masao <masao.fu...@oss.nttdata.com> writes: > On 2020/12/03 1:04, Heikki Linnakangas wrote: >> We never use non-default conversions for anything. All code that performs >> encoding conversions only cares about the default ones.
> Yes. I had to update pg_conversion.condefault directly so that we can > use custom encoding when I registered it. The direct update of > pg_conversion is of course not good thing. So I was wondering > if we should have something like ALTER CONVERSION SET DEFAULT. Perhaps, but what I'd think is more urgent is having some way for a session to select a non-default conversion for client I/O. regards, tom lane