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Improve wording of error message added in commit 714805010.

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Per suggestions from Peter Eisentraut and David Johnston.
Back-patch, like the previous commit.

Discussion: https://postgr.es/m/E1dv9jI-0006oT-Fn@gemulon.postgresql.org
This commit is contained in:
Tom Lane 2017-09-26 15:25:56 -04:00
parent 12ac252f90
commit f4aac742c8
2 changed files with 3 additions and 3 deletions
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2
src/backend/commands/analyze.c
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@ -382,7 +382,7 @@ do_analyze_rel(Relation onerel, int options, VacuumParams *params,
if (bms_is_member(i, unique_cols)) if (bms_is_member(i, unique_cols))
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_DUPLICATE_COLUMN), (errcode(ERRCODE_DUPLICATE_COLUMN),
errmsg("column \"%s\" of relation \"%s\" is specified twice", errmsg("column \"%s\" of relation \"%s\" appears more than once",
col, RelationGetRelationName(onerel)))); col, RelationGetRelationName(onerel))));
unique_cols = bms_add_member(unique_cols, i); unique_cols = bms_add_member(unique_cols, i);

4
src/test/regress/expected/vacuum.out
View File

@ -82,8 +82,8 @@ VACUUM FULL vactst;
VACUUM (DISABLE_PAGE_SKIPPING) vaccluster; VACUUM (DISABLE_PAGE_SKIPPING) vaccluster;
-- check behavior with duplicate column mentions -- check behavior with duplicate column mentions
VACUUM ANALYZE vaccluster(i,i); VACUUM ANALYZE vaccluster(i,i);
ERROR: column "i" of relation "vaccluster" is specified twice ERROR: column "i" of relation "vaccluster" appears more than once
ANALYZE vaccluster(i,i); ANALYZE vaccluster(i,i);
ERROR: column "i" of relation "vaccluster" is specified twice ERROR: column "i" of relation "vaccluster" appears more than once
DROP TABLE vaccluster; DROP TABLE vaccluster;
DROP TABLE vactst; DROP TABLE vactst;