FWLamb commented on code in PR #3047:
URL:
https://github.com/apache/incubator-seatunnel/pull/3047#discussion_r996653946
##########
seatunnel-translation/seatunnel-translation-spark/seatunnel-translation-spark-common/src/main/java/org/apache/seatunnel/translation/spark/common/serialization/InternalRowConverter.java:
##########
@@ -216,4 +213,31 @@ private static SeaTunnelRow reconvert(InternalRow
engineRow, SeaTunnelRowType ro
}
return new SeaTunnelRow(fields);
}
+
+ private static Object reconvertArray(Object field, SeaTunnelDataType<?>
dataType) {
+ BasicType<?> elementType = ((ArrayType<?, ?>)
dataType).getElementType();
+ Object[] objectArray = ((ArrayData)
field).toObjectArray(TypeConverterUtils.convert(elementType));
+ switch (elementType.getSqlType()) {
Review Comment:
> Why we need copy data from array to another array?
Because we need to convert the object type array to the exact wrapper type
array according to the SQL type. If we do not do this, when JDBC inserts the
array data, it will return ClassCastException.
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