kennknowles commented on a change in pull request #14015:
URL: https://github.com/apache/beam/pull/14015#discussion_r578758179
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File path:
sdks/java/extensions/sql/zetasql/src/main/java/org/apache/beam/sdk/extensions/sql/zetasql/ZetaSQLQueryPlanner.java
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@@ -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:
This is exactly what I was thinking. If that is true, it is necessary to
recursively call on each operand.
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