Re: [HACKERS] Is exec_simple_check_node still doing anything?

2017-06-25 Thread Tom Lane
I wrote: > Robert Haas writes: >> I'm a little mystified by exec_simple_check_node(). >> ... >> Did that, possibly, remove the last way in which a simple expression >> could be could become non-simple? If so, between that and the new >> hasTargetSRFs test, it might now be

Re: [HACKERS] Is exec_simple_check_node still doing anything?

2017-06-20 Thread Tom Lane
Robert Haas writes: > I'm a little mystified by exec_simple_check_node(). > ... > Did that, possibly, remove the last way in which a simple expression > could be could become non-simple? If so, between that and the new > hasTargetSRFs test, it might now be impossible for >