Jim Nasby wrote:
> On 10/30/16 9:12 AM, Tom Lane wrote:
>> I think there will be a lot of howls. People expect that creating
>> a table by inserting a bunch of rows, and then reading back those
>> rows, will not change the order. We already futzed with that guarantee
>> a bit with syncscans, but that only affects quite large tables --- and
>> even there, we were forced to provide a way to turn it off.
>
> Leaving a 30% performance improvement on the floor because some people
> don't grok how sets work seems insane to me.
+1
Yours,
Laurenz Albe