[BUGS] possible bug seen with -DCLOBBER_CACHE_ALWAYS and changing GUCs

[Jeff Davis]

SQL:

  set datestyle to postgres,us;
  prepare stmt as select '02-01-2011'::date::text;
  execute stmt;
  set datestyle to postgres,euro;
  execute stmt;
  deallocate stmt;

The results I get with normal debug compilation are:

  SET
  PREPARE
      text
  ------------
   02-01-2011
  (1 row)

  SET
      text
  ------------
   01-02-2011
  (1 row)

  DEALLOCATE

But with -DCLOBBER_CACHE_ALWAYS and -DRELCACHE_FORCE_RELEASE, I get:

  SET
  PREPARE
      text
  ------------
   02-01-2011
  (1 row)

  SET
      text
  ------------
   02-01-2011
  (1 row)

  DEALLOCATE

Which one of those results is correct?

Regards,
    Jeff Davis

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