Re: Partition key causes problem for volatile target list query

2023-01-26 Thread Bruce Momjian
On Thu, Jan 26, 2023 at 07:21:16PM -0500, Tom Lane wrote: > Well, if you looked further than the first few rows, it wouldn't be > "always zero". But the select from the partitioned table will read > the first partition first, and that partition will have the rows > with d1=0, by definition. > > =

Re: Partition key causes problem for volatile target list query

2023-01-26 Thread Tom Lane
Bruce Momjian writes: > I have found an odd behavior --- a query in the target list that assigns > to a partitioned column causes queries that would normally be volatile > to return always zero. Well, if you looked further than the first few rows, it wouldn't be "always zero". But the select fro