villebro commented on a change in pull request #8867: Make schema name for the 
CTA queries and limit configurable
URL: 
https://github.com/apache/incubator-superset/pull/8867#discussion_r381413741
 
 

 ##########
 File path: superset/db_engine_specs/base.py
 ##########
 @@ -640,7 +640,7 @@ def select_star(  # pylint: 
disable=too-many-arguments,too-many-locals
         if schema:
             full_table_name = quote(schema) + "." + quote(table_name)
         else:
-            full_table_name = quote(table_name)
+            full_table_name = ".".join([quote(t) for t in 
table_name.split(".")])
 
 Review comment:
   Are we sure we want to split with `.` here? Periods are routinely used in 
table names in some analytical dbs (e.g. `table.csv` when the underlying data 
is in a csv file, for instance), and I believe this method usually gets called 
only after schema and table names have been properly separated. Unless this is 
needed for this feature, I believe we should stick to the existing logic. If 
not, this should be covered by a unit test that ensures that this doesn't cause 
a regression for table names with periods.

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