On 2019-10-29 17:10, Tom Lane wrote:
Peter Eisentraut <peter.eisentr...@2ndquadrant.com> writes:
On 2019-10-28 13:45, Robert Haas wrote:
In theory, the do_rethrow variable could conflict with a symbol
declared in the surrounding scope, but that doesn't seem like it's a
problem worth getting worked up about.

Right.  A PG_TRY block also declares other local variables for internal
use without much care about namespacing.  If it becomes a problem, it's
easy to address.

Although we haven't been terribly consistent about it, some of our macros
address this problem by using local variable names with a leading and/or
trailing underscore, or otherwise making them names you'd be quite
unlikely to use in normal code.  I suggest doing something similar
here.  (Wouldn't be a bad idea to make PG_TRY's variables follow suit.)

committed with a leading underscore

--
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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