diff options
| -rw-r--r-- | src/backend/commands/dropcmds.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/commands/dropcmds.c b/src/backend/commands/dropcmds.c index 85f5e483532..270ea140b51 100644 --- a/src/backend/commands/dropcmds.c +++ b/src/backend/commands/dropcmds.c @@ -27,6 +27,7 @@ #include "nodes/makefuncs.h" #include "parser/parse_type.h" #include "utils/builtins.h" +#include "utils/lsyscache.h" #include "utils/syscache.h" @@ -109,6 +110,21 @@ RemoveObjects(DropStmt *stmt) ReleaseSysCache(tup); } + /* + * Prevent the drop of a temporary schema, be it owned by the current + * session or another backend as this would mess up with the callback + * registered to clean up temporary objects at the end of a session. + * Note also that the creation of any follow-up temporary object would + * result in inconsistencies within the session whose temporary schema + * has been dropped. + */ + if (stmt->removeType == OBJECT_SCHEMA && + isAnyTempNamespace(address.objectId)) + ereport(ERROR, + (errcode(ERRCODE_WRONG_OBJECT_TYPE), + errmsg("cannot drop temporary schema \"%s\"", + get_namespace_name(address.objectId)))); + /* Check permissions. */ namespaceId = get_object_namespace(&address); if (!OidIsValid(namespaceId) || |