wenlong88 commented on a change in pull request #17754:
URL: https://github.com/apache/flink/pull/17754#discussion_r749126345
##########
File path:
flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/table/JdbcRowDataLookupFunction.java
##########
@@ -146,10 +148,12 @@ public void eval(Object... keys) {
if (cache != null) {
List<RowData> cachedRows = cache.getIfPresent(keyRow);
if (cachedRows != null) {
- for (RowData cachedRow : cachedRows) {
- collect(cachedRow);
+ if (!cachedRows.isEmpty() || !excludeEmptyQueryResult) {
+ for (RowData cachedRow : cachedRows) {
Review comment:
hi, you need to add a test cover the cache changes, refer to
JdbcRowDataLookupFunctionTest#testEval, on the other hands, I think it is more
clearer if you do not put empty to cache in eval instead of put to cache and
then invalidate.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
