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Fix ALTER COLLATION "default" REFRESH VERSION.

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Issue a helpful error message rather than an internal error.

Discussion: https://postgr.es/m/51fb77507cafd43fc1a2e733c23045873d93ae60.camel%40j-davis.com
Reviewed-by: Thomas Munro
This commit is contained in:
Jeff Davis 2022-10-29 14:13:23 -07:00
parent 10932ed5e5
commit 0717f2fedb
1 changed files with 5 additions and 0 deletions
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5
src/backend/commands/collationcmds.c
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@ -366,6 +366,11 @@ AlterCollation(AlterCollationStmt *stmt)
rel = table_open(CollationRelationId, RowExclusiveLock);
collOid = get_collation_oid(stmt->collname, false);
if (collOid == DEFAULT_COLLATION_OID)
ereport(ERROR,
(errmsg("cannot refresh version of default collation"),
errhint("Use ALTER DATABASE ... REFRESH COLLATION VERSION instead.")));
if (!pg_collation_ownercheck(collOid, GetUserId()))
aclcheck_error(ACLCHECK_NOT_OWNER, OBJECT_COLLATION,
NameListToString(stmt->collname));