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From [email protected] (Tom Lane)
Subject pgsql/src/backend/optimizer/prep prepunion.c
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Msg-id [email protected]
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CVSROOT:    /cvsroot
Module name:    pgsql
Changes by:    [email protected]    02/03/05 00:10:25

Modified files:
    src/backend/optimizer/prep: prepunion.c

Log message:
    Previous patch to mark UNION outputs with common typmod (if any) breaks
    three-or-more-way UNIONs, as per example from Josh Berkus.  Cause is a
    fragile assumption that one tlist's entries will exactly match another.
    Restructure code to make that assumption a little less fragile.

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