Re: pgsql/src/backend/optimizer/prep prepunion.c

> CVSROOT: /cvsroot
> Module name: pgsql
> Changes by: tgl(at)postgresql(dot)org 01/11/12 15:04:20
>
> Modified files:
> src/backend/optimizer/prep: prepunion.c
>
> Log message:
> If the inputs of a UNION/INTERSECT/EXCEPT construct all agree on the
> typmod of a particular column, mark the output with that same typmod,
> not -1 as formerly. -1 is still used if there is any disagreement.
> Part of response to bug#513.

Very nice. I know we punted typmod on several places because where
we had conflicting typmod cases in expressions. This seems like a nice
idea, keep the typmods if they are all the same. Any more places I can
add to TODO?

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