aiwenmo commented on code in PR #3636:
URL: https://github.com/apache/flink-cdc/pull/3636#discussion_r1797532737
##########
flink-cdc-runtime/src/main/java/org/apache/flink/cdc/runtime/operators/schema/SchemaOperator.java:
##########
@@ -609,6 +643,34 @@ public Object getFieldOrNull(RecordData recordData) {
+ "Currently only CHAR /
VARCHAR can be accepted by a STRING column",
originalField.getClass())));
}
+ } else if (destinationType.is(DataTypeRoot.TIME_WITHOUT_TIME_ZONE)
+ && originalType.is(DataTypeRoot.TIME_WITHOUT_TIME_ZONE)) {
+ Integer value = (Integer) originalField;
+ int precisionDifference =
+ ((TimeType) originalType).getPrecision()
+ - ((TimeType) destinationType).getPrecision();
+ if (precisionDifference > 0) {
+ return value / (int) Math.pow(10, precisionDifference);
+ } else if (precisionDifference < 0) {
+ return value * (int) Math.pow(10, -precisionDifference);
+ } else {
+ return value;
+ }
Review Comment:
Currently, time supports only a precision of 0. We need to open another PR
to implement a new feature that custom precision for time, and then implement
a new feature that support merging time columns when routing.
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