Simon Riggs wrote:

I agree with comments here about the multiple orderings being a horrible
source of bugs, as well as lots of coding even to make it happen at all

I thought we were going with this later proposal of Tom's (on which he's convinced me): - if not I'm totally confused (situation normal). The current thread started with this sentence:

Inspired by this thread [1], and in particular by the idea of storing
three numbers (permanent ID, on-disk storage position, display
position) for each column, I spent a little time messing around with a
prototype implementation of column storage positions to see what kind
of difference it would make.

I haven't understood Alvaro to suggest not keeping 3 numbers.



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