gavinchou commented on code in PR #34384:
URL: https://github.com/apache/doris/pull/34384#discussion_r1604462412


##########
fe/fe-core/src/main/java/org/apache/doris/tablefunction/MetadataGenerator.java:
##########
@@ -873,4 +892,75 @@ private static TFetchSchemaTableDataResult 
routineInfoMetadataResult(TSchemaTabl
         result.setStatus(new TStatus(TStatusCode.OK));
         return result;
     }
+
+    private static TFetchSchemaTableDataResult 
tableOptionsMetadataResult(TSchemaTableRequestParams params) {
+        if (!params.isSetCurrentUserIdent()) {
+            return errorResult("current user ident is not set.");
+        }
+
+        TFetchSchemaTableDataResult result = new TFetchSchemaTableDataResult();
+        List<TRow> dataBatch = Lists.newArrayList();
+        List<Long> catalogIds = 
Env.getCurrentEnv().getCatalogMgr().getCatalogIds();
+        for (Long catalogId : catalogIds) {
+            CatalogIf catalog = 
Env.getCurrentEnv().getCatalogMgr().getCatalog(catalogId);
+            List<Long> dbIds = catalog.getDbIds();
+            for (Long dbId : dbIds) {
+                DatabaseIf database = catalog.getDbNullable(dbId);
+                List<TableIf> tables = database.getTables();
+                for (TableIf table : tables) {
+                    if (table instanceof OlapTable) {

Review Comment:
   try negative predicate to save indention
   ```suggestion
                       if (!(table instanceof OlapTable)) continue;
   ```



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