amaliujia commented on a change in pull request #14015:
URL: https://github.com/apache/beam/pull/14015#discussion_r578774882



##########
File path: 
sdks/java/extensions/sql/zetasql/src/main/java/org/apache/beam/sdk/extensions/sql/zetasql/ZetaSQLQueryPlanner.java
##########
@@ -160,8 +165,10 @@ static boolean hasOnlyJavaUdfInProjects(RelOptRuleCall x) {
               SqlUserDefinedFunction udf = (SqlUserDefinedFunction) call.op;
               if (udf.function instanceof ZetaSqlScalarFunctionImpl) {
                 ZetaSqlScalarFunctionImpl scalarFunction = 
(ZetaSqlScalarFunctionImpl) udf.function;
-                if (!scalarFunction.functionGroup.equals(
+                if (scalarFunction.functionGroup.equals(
                     SqlAnalyzer.USER_DEFINED_JAVA_SCALAR_FUNCTIONS)) {
+                  udfs.add(i);
+                } else {

Review comment:
       if there is such form, Calc splitting will become easy to implement. 




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