"Dann Corbit" <DCorbit@connx.com> writes:
> Maybe I don't really understand the problem, but it seems simple enough
> to do it once for the whole query.
We already do cache column offsets when they are fixed. The code that's
the problem executes when there's a variable-width column in the table
--- which means that all columns to its right are not at fixed offsets,
and have to be scanned for separately in each tuple, AFAICS.
regards, tom lane