phamvinh1712 commented on code in PR #3950:
URL: https://github.com/apache/flink-cdc/pull/3950#discussion_r2053051726
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flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/table/PostgreSQLConnectorITCase.java:
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@@ -261,6 +261,110 @@ void testStartupFromLatestOffset(boolean
parallelismSnapshot) throws Exception {
result.getJobClient().get().cancel().get();
}
+ @ParameterizedTest
+ @ValueSource(booleans = {true})
+ public void testStartupFromCommittedOffset(boolean parallelismSnapshot)
throws Exception {
+ setup(parallelismSnapshot);
+ initializePostgresTable(POSTGRES_CONTAINER, "inventory");
+
Review Comment:
@loserwang1024 this test does exactly what you described:
- There are 2 job runs in the test:
- The first job starts, create the replication slot, receives 2 events
then stopped. This simulates the steps 1,2,3) you mentioned.
- Then 1 record is inserted to database during the job stopped
- Second job starts without resuming from checkpoint, it will pick up the
1 record that inserted after the job stopped. Without this committed-offset
mode, it won't consume this record.
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