Jackie-Jiang commented on code in PR #8713:
URL: https://github.com/apache/pinot/pull/8713#discussion_r880963562


##########
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/BaseBrokerRequestHandler.java:
##########
@@ -765,31 +766,41 @@ private void handleSubquery(Expression expression, long 
requestId, JsonNode json
    * - Case-insensitive cluster
    * - Table name in the format of [database_name].[table_name]
    *
-   * Drop the database part if there is no existing table in the format of 
[database_name].[table_name], but only
-   * [table_name].
+   * If the PinotConfiguration does not allow dots in table name, will do the 
below:
+   * Drop the prefix part for the format of [database_name].[table_name], keep 
only [table_name].
+   * If the PinotConfiguration allows dots in table name, we will not do the 
split
+   * @param tableName the table name in the query
+   * @param tableCache the table case-sensitive cache
+   * @param routingManager the routing mananger for testing whether a route 
exists
+   * @param config the Pinot Configuration
+   * @return
    */
-  private String getActualTableName(String tableName) {
+  @VisibleForTesting
+  static String getActualTableName(String tableName, TableCache tableCache, 
BrokerRoutingManager routingManager,

Review Comment:
   What I meant is that the existing code should already be able to handle the 
`[database_name].[table_name]` as the table name (line 773, 801, 812 in the 
original code). We don't need to introduce the extra logic of reading 
properties from the config.



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