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Improve reporting of run-time-detected indeterminate-collation errors.

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pg_newlocale_from_collation does not have enough context to give an error
message that's even a little bit useful, so move the responsibility for
complaining up to its callers.  Also, reword ERRCODE_INDETERMINATE_COLLATION
error messages in a less jargony, more message-style-guide-compliant
fashion.
This commit is contained in:
Tom Lane
2011-03-22 16:55:32 -04:00
parent 37d6d07dda
commit 6e197cb2e5
8 changed files with 105 additions and 18 deletions
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2
src/backend/commands/indexcmds.c
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@ -899,7 +899,7 @@ ComputeIndexAttrs(IndexInfo *indexInfo,
if (!OidIsValid(attcollation))
ereport(ERROR,
(errcode(ERRCODE_INDETERMINATE_COLLATION),
errmsg("no collation was derived for the index expression"),
errmsg("could not determine which collation to use for index expression"),
errhint("Use the COLLATE clause to set the collation explicitly.")));
}
else