Re: [HACKERS] Patching for increasing the number of columns

2014-08-20 Thread Mayeul Kauffmann
On 20/08/14 18:17, Tom Lane wrote: Hm. I think the without_oid test is not showing that anything is broken; The other tests aren't showing any functional issue either AFAICS. Thanks a lot Tom! That's very helpful. I have written more details and some basic SQL tests in the wiki of the appli

Re: [HACKERS] Patching for increasing the number of columns

2014-08-20 Thread Mayeul Kauffmann
Tom wrote: > You would have to show us the actual failure diffs to get much useful comment, but in general increasing the size of tuple headers could easily lead to > changes in plan choices Thank you Tom. So there is some hope! In effect the query plan is different for the join and the view

[HACKERS] Patching for increasing the number of columns

2014-08-20 Thread Mayeul Kauffmann
Hello, I am trying to patch the server source to increase the number of columns above 1600. I'm not planning to commit this but as suggested elsewhere [1], someone might suggest a configure option based on this. I came up with a patch which seems to work (see below), but 3 of the 136 tests fai