>>>>> "Tom" == Tom Lane <t...@sss.pgh.pa.us> writes:

 >> So while helping someone with an unrelated issue, I did a quick
 >> query to look for collation-dependent indexes, and was rather
 >> shocked to find that not only are there two such in the system
 >> catalogs, both set to "default" collation, but that one of them is
 >> in a _shared_ catalog (pg_shseclabel).

 >> How did that happen? And how could it possibly work?

 Tom> It probably doesn't, and the reason nobody has noticed is that the
 Tom> security label stuff has fewer users than I have fingers (and
 Tom> those people aren't using provider names that would cause anything
 Tom> interesting to happen).

Or possibly not mixing locales between databases.

 Tom> The most obvious fix is to change "provider" to a NAME column.

 Tom> What was the other case?  We might want to add a regression test
 Tom> to check for collation-dependent system indexes ...

pg_seclabel (also "provider").

-- 
Andrew (irc:RhodiumToad)


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