diff options
Diffstat (limited to 'src/backend/statistics/attribute_stats.c')
| -rw-r--r-- | src/backend/statistics/attribute_stats.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/backend/statistics/attribute_stats.c b/src/backend/statistics/attribute_stats.c index 686f2e639c6..b97ba7b0c0c 100644 --- a/src/backend/statistics/attribute_stats.c +++ b/src/backend/statistics/attribute_stats.c @@ -167,6 +167,13 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel) stats_check_required_arg(fcinfo, attarginfo, ATTNAME_ARG); attname = PG_GETARG_NAME(ATTNAME_ARG); attnum = get_attnum(reloid, NameStr(*attname)); + + if (attnum < 0) + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("cannot modify statistics on system column \"%s\"", + NameStr(*attname)))); + if (attnum == InvalidAttrNumber) ereport(ERROR, (errcode(ERRCODE_UNDEFINED_COLUMN), @@ -882,6 +889,13 @@ pg_clear_attribute_stats(PG_FUNCTION_ARGS) stats_check_required_arg(fcinfo, attarginfo, ATTNAME_ARG); attname = PG_GETARG_NAME(ATTNAME_ARG); attnum = get_attnum(reloid, NameStr(*attname)); + + if (attnum < 0) + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("cannot clear statistics on system column \"%s\"", + NameStr(*attname)))); + if (attnum == InvalidAttrNumber) ereport(ERROR, (errcode(ERRCODE_UNDEFINED_COLUMN), |