ZijieSong946 commented on a change in pull request #12054:
URL: https://github.com/apache/beam/pull/12054#discussion_r445965109



##########
File path: 
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamCalcRel.java
##########
@@ -431,11 +437,11 @@ private static Expression value(
     private static Expression value(Expression value, Schema.FieldType type) {
       if (type.getTypeName().isLogicalType()) {
         String logicalId = type.getLogicalType().getIdentifier();
-        if (TimeType.IDENTIFIER.equals(logicalId)) {
+        if (SqlTypes.TIME.getIdentifier().equals(logicalId)) {
           return nullOr(
-              value, Expressions.convert_(Expressions.call(value, 
"getMillis"), int.class));
+              value, Expressions.divide(value, 
Expressions.constant(NANOS_PER_MILLISECOND)));
         } else if (SqlTypes.DATE.getIdentifier().equals(logicalId)) {
-          value = nullOr(value, value);
+          return nullOr(value, value);

Review comment:
       Yeah. It works if we just return value here.




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