aadilkhalifa commented on code in PR #12537:
URL: https://github.com/apache/pinot/pull/12537#discussion_r1676834608


##########
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/BaseBrokerRequestHandler.java:
##########
@@ -1558,6 +1571,60 @@ private void computeResultsForLiteral(Literal literal, 
List<String> columnNames,
     }
   }
 
+  private BrokerResponseNative processShowTablesQuery(long 
compilationStartTimeNs,
+      RequestContext requestContext) {
+    BrokerResponseNative brokerResponse = new BrokerResponseNative();
+    String[] columnNames = {"Tables"};
+    DataSchema.ColumnDataType[] columnTypes = 
{DataSchema.ColumnDataType.STRING};
+
+
+    DataSchema dataSchema = new DataSchema(columnNames, columnTypes);
+    List<Object[]> rows = new ArrayList<>();
+    
_tableCache.getTableConfigs().stream().map(TableConfig::getTableName).sorted().forEach(a
 -> {
+      a = a.replace("_OFFLINE", "").replace("_REALTIME", "");
+      rows.add(new String[] {a});
+    });
+    ResultTable resultTable = new ResultTable(dataSchema, rows);
+    brokerResponse.setResultTable(resultTable);
+
+    long totalTimeMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - 
compilationStartTimeNs);
+    brokerResponse.setTimeUsedMs(totalTimeMs);
+    requestContext.setQueryProcessingTime(totalTimeMs);
+    augmentStatistics(requestContext, brokerResponse);
+    return brokerResponse;
+  }
+
+  private BrokerResponseNative processDescribeTableQuery(String tableName, 
long compilationStartTimeNs,

Review Comment:
   I've added check for database tables access. Any other access control 
required?



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