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pgsql: Fix plpgsql to not lookup block labels except in contexts where a - Mailing list pgsql-committers

From tgl@postgresql.org (Tom Lane)
Subject pgsql: Fix plpgsql to not lookup block labels except in contexts where a
Date
Msg-id 20071127195844.58F247540F0@cvs.postgresql.org
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Log Message:
-----------
Fix plpgsql to not lookup block labels except in contexts where a block label
is sane (eg, EXIT argument or first part of a qualified identifier), and cause
more-closely-nested record variables to take precedence over outer block
labels.  This cures the breakage exhibited by Marko Kreen that 8.3 no longer
allowed a function's name to be used for a variable within the function, and
makes plpgsql's handling of block labels more like Oracle's.  It's important
to fix this now because we are documenting the use of block labels as variable
qualifiers for the first time in 8.3.

Modified Files:
--------------
    pgsql/src/pl/plpgsql/src:
        gram.y (r1.106 -> r1.107)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/gram.y?r1=1.106&r2=1.107)
        pl_comp.c (r1.119 -> r1.120)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/pl_comp.c?r1=1.119&r2=1.120)
        pl_funcs.c (r1.65 -> r1.66)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/pl_funcs.c?r1=1.65&r2=1.66)
        plpgsql.h (r1.93 -> r1.94)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/plpgsql.h?r1=1.93&r2=1.94)

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