LuciferYang commented on code in PR #38933:
URL: https://github.com/apache/spark/pull/38933#discussion_r1040616970


##########
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/ColumnVectorUtils.java:
##########
@@ -165,7 +171,17 @@ private static void appendValue(WritableColumnVector dst, 
DataType t, Object o)
         dst.getChild(1).appendInt(c.days);
         dst.getChild(2).appendLong(c.microseconds);
       } else if (t instanceof DateType) {
-        dst.appendInt(DateTimeUtils.fromJavaDate((Date)o));
+        if (o instanceof Date) {

Review Comment:
   @cloud-fan mentioned at
   https://github.com/apache/spark/pull/38873#discussion_r1039618680
   
   `ColumnVectorUtils#toBatch` and related `appendValue` methods only used by 
test cases:
   
   1. this pr add more primitive  dataType support for `toBatch` method and add 
more test in  `ColumnarBatchSuite#testRandomRows`, do you think this is 
valuable? I haven't created Jira.
   
   2. `ColumnVectorUtils#toBatch` only used by test, should we move it from 
`ColumnVectorUtils`  to a test only helper class?
   
   



##########
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/ColumnVectorUtils.java:
##########
@@ -165,7 +171,17 @@ private static void appendValue(WritableColumnVector dst, 
DataType t, Object o)
         dst.getChild(1).appendInt(c.days);
         dst.getChild(2).appendLong(c.microseconds);
       } else if (t instanceof DateType) {
-        dst.appendInt(DateTimeUtils.fromJavaDate((Date)o));
+        if (o instanceof Date) {

Review Comment:
   @cloud-fan As I mentioned at
   https://github.com/apache/spark/pull/38873#discussion_r1039618680
   
   `ColumnVectorUtils#toBatch` and related `appendValue` methods only used by 
test cases:
   
   1. this pr add more primitive  dataType support for `toBatch` method and add 
more test in  `ColumnarBatchSuite#testRandomRows`, do you think this is 
valuable? I haven't created Jira.
   
   2. `ColumnVectorUtils#toBatch` only used by test, should we move it from 
`ColumnVectorUtils`  to a test only helper class?
   
   



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