EricJoy2048 commented on code in PR #2904:
URL:
https://github.com/apache/incubator-seatunnel/pull/2904#discussion_r980911692
##########
seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/source/JdbcSourceReader.java:
##########
@@ -58,20 +58,22 @@ public void close() throws IOException {
@Override
@SuppressWarnings("magicnumber")
public void pollNext(Collector<SeaTunnelRow> output) throws Exception {
- JdbcSourceSplit split = splits.poll();
- if (null != split) {
- inputFormat.open(split);
- while (!inputFormat.reachedEnd()) {
- SeaTunnelRow seaTunnelRow = inputFormat.nextRecord();
- output.collect(seaTunnelRow);
+ synchronized (output.getCheckpointLock()) {
Review Comment:
> Is there any other better way than `synchronized`?
We have discussed many times, and the current conclusion is to use this
method
##########
seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/source/JdbcSourceReader.java:
##########
@@ -58,20 +58,22 @@ public void close() throws IOException {
@Override
@SuppressWarnings("magicnumber")
public void pollNext(Collector<SeaTunnelRow> output) throws Exception {
- JdbcSourceSplit split = splits.poll();
- if (null != split) {
- inputFormat.open(split);
- while (!inputFormat.reachedEnd()) {
- SeaTunnelRow seaTunnelRow = inputFormat.nextRecord();
- output.collect(seaTunnelRow);
+ synchronized (output.getCheckpointLock()) {
Review Comment:
> Is there any other better way than `synchronized`?
We have discussed many times, and the current conclusion is to use this
method
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