Can I alter a table column to now make it generated? I tried this unsuccessfully:
create temp table tmp1 as select 15::numeric(6,1) as distance,'24:30'::interval,0::numeric(7,3) as avgspd;
alter table tmp1 alter column avgspd type numeric(7,3) generated always as ((3600.*distance)/EXTRACT (EPOCH FROM rdrtime::interval)) STORED;
ERROR: syntax error at or near "generated"
LINE 1: ... table tmp1 alter column avgspd type numeric(7,3) generated ...
I think that at least I have the right bracketing this time! :-) ^
