Hitoshi Harada <umi.tan...@gmail.com> writes:
> Looking for git/cvs log a bit, tuplesort was already there since 1999
> while tuplestore was introduced around 2000 for materialized node. Why
> then was tuplestore invented as a new feature instead of extending
> tuplesort? Can't we unit them now?
I think they'd be unmaintainable if merged. Each one is complicated
enough as-is, and they have different concerns and different use-cases
to optimize for. Moreover it's not clear that merging them would buy us
much --- saving one copy step doesn't excite me, even if it actually
came out to be true which I'm unconvinced about.
regards, tom lane
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