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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 15:25:57 -04:00
parent e0f5710c5e
commit 6c77b47b2e
2 changed files with 3 additions and 3 deletions
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2
src/backend/commands/analyze.c
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@ -395,7 +395,7 @@ do_analyze_rel(Relation onerel, VacuumStmt *vacstmt,
if (bms_is_member(i, unique_cols))
ereport(ERROR,
(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))));
unique_cols = bms_add_member(unique_cols, i);

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

@ -81,8 +81,8 @@ SQL function "wrap_do_analyze" statement 1
VACUUM FULL vactst;
-- check behavior with duplicate column mentions
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);
ERROR: column "i" of relation "vaccluster" is specified twice
ERROR: column "i" of relation "vaccluster" appears more than once
DROP TABLE vaccluster;
DROP TABLE vactst;