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Department of second thoughts: let's show the exact key during unique index

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build failures, too.  Refactor a bit more since that error message isn't
spelled the same.
This commit is contained in:
Tom Lane
2009-08-01 20:59:17 +00:00
parent b680ae4bdb
commit 527f0ae3fa
6 changed files with 44 additions and 30 deletions
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12
src/backend/utils/sort/tuplesort.c
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@@ -91,7 +91,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplesort.c,v 1.91 2009/06/11 14:49:06 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplesort.c,v 1.92 2009/08/01 20:59:17 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2801,11 +2801,19 @@ comparetup_index_btree(const SortTuple *a, const SortTuple *b,
* error in that case.
*/
if (state->enforceUnique && !equal_hasnull && tuple1 != tuple2)
{
Datum values[INDEX_MAX_KEYS];
bool isnull[INDEX_MAX_KEYS];
index_deform_tuple(tuple1, tupDes, values, isnull);
ereport(ERROR,
(errcode(ERRCODE_UNIQUE_VIOLATION),
errmsg("could not create unique index \"%s\"",
RelationGetRelationName(state->indexRel)),
errdetail("Table contains duplicated values.")));
errdetail("Key %s is duplicated.",
BuildIndexValueDescription(state->indexRel,
values, isnull))));
}
/*
* If key values are equal, we sort on ItemPointer. This does not affect