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https://issues.apache.org/jira/browse/HUDI-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17384039#comment-17384039
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ASF GitHub Bot commented on HUDI-1771:
--------------------------------------
danny0405 commented on a change in pull request #3285:
URL: https://github.com/apache/hudi/pull/3285#discussion_r672172626
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/table/format/mor/MergeOnReadInputFormat.java
##########
@@ -624,6 +634,14 @@ public boolean reachedEnd() throws IOException {
return true;
}
+ private Option<IndexedRecord> getInsetValue(String curKey) throws
IOException {
+ final HoodieRecord<?> record = logRecords.get(curKey);
+ if (HoodieOperation.isDelete(record.getOperation())) {
+ return Option.empty();
Review comment:
Put `!emitDelete` in the front.
##########
File path:
hudi-flink/src/test/java/org/apache/hudi/table/format/TestInputFormat.java
##########
@@ -175,13 +176,32 @@ void testReadWithDeletes() throws Exception {
List<RowData> result = readData(inputFormat);
- final String actual = TestData.rowDataToString(result);
+ final String actual = TestData.rowDataToString(result, true);
final String expected = "["
- + "id1,Danny,24,1970-01-01T00:00:00.001,par1, "
- + "id2,Stephen,34,1970-01-01T00:00:00.002,par1, "
- + "id3,null,null,null,null, "
- + "id5,null,null,null,null, "
- + "id9,null,null,null,null]";
+ + "+I(id1,Danny,24,1970-01-01T00:00:00.001,par1), "
+ + "+I(id2,Stephen,34,1970-01-01T00:00:00.002,par1), "
+ + "-D(id3,Julian,53,1970-01-01T00:00:00.003,par2), "
+ + "-D(id5,Sophia,18,1970-01-01T00:00:00.005,par3), "
+ + "-D(id9,Jane,19,1970-01-01T00:00:00.006,par3)]";
+ assertThat(actual, is(expected));
+ }
+
+ @Test
+ void testReadWithDeletesCOW() throws Exception {
+ beforeEach(HoodieTableType.COPY_ON_WRITE);
+
+ // write another commit to read again
+ TestData.writeData(TestData.DATA_SET_UPDATE_DELETE, conf);
+
+ InputFormat<RowData, ?> inputFormat = this.tableSource.getInputFormat();
+ assertThat(inputFormat, instanceOf(CopyOnWriteInputFormat.class));
+
+ List<RowData> result = readData(inputFormat);
+
+ final String actual = TestData.rowDataToString(result, true);
+ final String expected = "["
Review comment:
I think spark may need to set up the change flag column correctly when
write into hoodie, but actually spark `InternalRow` does not support builtin
change flag, use may need to specify a column explicitly.
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> Propagate CDC format for hoodie
> -------------------------------
>
> Key: HUDI-1771
> URL: https://issues.apache.org/jira/browse/HUDI-1771
> Project: Apache Hudi
> Issue Type: New Feature
> Components: Flink Integration
> Reporter: Danny Chen
> Assignee: Zheng yunhong
> Priority: Major
> Labels: pull-request-available, sev:normal
> Fix For: 0.9.0
>
>
> Like what we discussed in the dev mailing list:
> https://lists.apache.org/thread.html/r31b2d1404e4e043a5f875b78105ba6f9a801e78f265ad91242ad5eb2%40%3Cdev.hudi.apache.org%3E
> Keep the change flags make new use cases possible: using HUDI as the unified
> storage format for DWD and DWS layer.
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