ruanhang1993 commented on code in PR #3954:
URL: https://github.com/apache/flink-cdc/pull/3954#discussion_r2013441153
##########
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlSourceITCase.java:
##########
@@ -202,7 +202,20 @@ public void
testReadSingleTableWithSingleParallelismAndSkipBackFill() throws Exc
FailoverPhase.NEVER,
new String[] {tableName},
RestartStrategies.fixedDelayRestart(1, 0),
- true);
+
Collections.singletonMap("scan.incremental.snapshot.backfill.skip", "true"));
+ }
+
+ @Test
+ public void testReadSingleTableAndUnboundedChunkFirst() throws Exception {
+ testMySqlParallelSource(
+ 1,
+ DEFAULT_SCAN_STARTUP_MODE,
+ FailoverType.NONE,
+ FailoverPhase.NEVER,
+ new String[] {tableName},
+ RestartStrategies.fixedDelayRestart(1, 0),
+ Collections.singletonMap(
+
"scan.incremental.snapshot.unbounded-chunk-first.enabled", "true"));
Review Comment:
`scan.incremental.snapshot.unbounded-chunk-first.enabled` is already set by
`assignEndingFirst == null`.
##########
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/org/apache/flink/cdc/connectors/mysql/source/assigners/ChunkRange.java:
##########
@@ -83,4 +83,9 @@ public boolean equals(Object o) {
public int hashCode() {
return Objects.hash(chunkStart, chunkEnd);
}
+
+ @Override
+ public String toString() {
+ return "ChunkRange{" + "chunkStart=" + chunkStart + ", chunkEnd=" +
chunkEnd + '}';
Review Comment:
```suggestion
return "ChunkRange{chunkStart=" + chunkStart + ", chunkEnd=" +
chunkEnd + '}';
```
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