Merge pull request #427 from diffix/cristian/misc

Allow discovery queries over `pg_enum`.

Author: cristianberneanu

CHANGELOG.md

@@ -1,5 +1,5 @@
 # Changelog
-  - Allow all discovery queries over `pg_class`.
+  - Allow more metadata discovery queries.
 
 ## Version 1.0.3
   - Reject unsupported column types during AID labeling.

src/query/allowed_objects.c

@@ -60,7 +60,7 @@ static const char *const g_pg_catalog_allowed_rels[] = {
     "pg_publication_rel", "pg_rewrite", "pg_roles", "pg_seclabel", "pg_seclabels", "pg_sequence", "pg_settings", "pg_shadow",
     "pg_shdepend", "pg_shdescription", "pg_shseclabel", "pg_stat_gssapi", "pg_subscription", "pg_subscription_rel", "pg_tablespace",
     "pg_trigger", "pg_ts_config", "pg_ts_dict", "pg_ts_parser", "pg_ts_template", "pg_type", "pg_user", "pg_tables", "pg_matviews",
-    "pg_indexes", "pg_class", "pg_proc" /* `pg_proc` contains `procost` and `prorows` but both seem to be fully static data. */
+    "pg_indexes", "pg_class", "pg_enum", "pg_proc" /* `pg_proc` contains `procost` and `prorows` but both seem to be fully static data. */
 };
 
 static AllowedCols g_pg_catalog_allowed_cols[] = {