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!49 Cast SMT should allow null value records to pass through

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From: @sundapeng001 
Reviewed-by: @hu-zongtang 
Signed-off-by: @hu-zongtang
This commit is contained in:
openeuler-ci-bot 2023-12-08 02:39:42 +00:00 committed by Gitee
commit 026ed38997
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2 changed files with 67 additions and 1 deletions
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63
0008-Cast-SMT-allow-null.patch Normal file
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@ -0,0 +1,63 @@
diff --git a/connect/transforms/src/main/java/org/apache/kafka/connect/transforms/Cast.java b/connect/transforms/src/main/java/org/apache/kafka/connect/transforms/Cast.java
index e872b336e8..7ffd0a90f3 100644
--- a/connect/transforms/src/main/java/org/apache/kafka/connect/transforms/Cast.java
+++ b/connect/transforms/src/main/java/org/apache/kafka/connect/transforms/Cast.java
@@ -116,6 +116,10 @@ public abstract class Cast<R extends ConnectRecord<R>> implements Transformation
@Override
public R apply(R record) {
+ if (operatingValue(record) == null) {
+ return record;
+ }
+
if (operatingSchema(record) == null) {
return applySchemaless(record);
} else {
diff --git a/connect/transforms/src/test/java/org/apache/kafka/connect/transforms/CastTest.java b/connect/transforms/src/test/java/org/apache/kafka/connect/transforms/CastTest.java
index ae90c1956b..d25fd8cf2a 100644
--- a/connect/transforms/src/test/java/org/apache/kafka/connect/transforms/CastTest.java
+++ b/connect/transforms/src/test/java/org/apache/kafka/connect/transforms/CastTest.java
@@ -88,6 +88,43 @@ public class CastTest {
assertThrows(ConfigException.class, () -> xformKey.configure(Collections.singletonMap(Cast.SPEC_CONFIG, "foo:int8,int32")));
}
+ @Test
+ public void castNullValueRecordWithSchema() {
+ xformValue.configure(Collections.singletonMap(Cast.SPEC_CONFIG, "foo:int64"));
+ SourceRecord original = new SourceRecord(null, null, "topic", 0,
+ Schema.STRING_SCHEMA, "key", Schema.STRING_SCHEMA, null);
+ SourceRecord transformed = xformValue.apply(original);
+ assertEquals(original, transformed);
+ }
+
+ @Test
+ public void castNullValueRecordSchemaless() {
+ xformValue.configure(Collections.singletonMap(Cast.SPEC_CONFIG, "foo:int64"));
+ SourceRecord original = new SourceRecord(null, null, "topic", 0,
+ Schema.STRING_SCHEMA, "key", null, null);
+ SourceRecord transformed = xformValue.apply(original);
+ assertEquals(original, transformed);
+ }
+
+ @Test
+ public void castNullKeyRecordWithSchema() {
+ xformKey.configure(Collections.singletonMap(Cast.SPEC_CONFIG, "foo:int64"));
+ SourceRecord original = new SourceRecord(null, null, "topic", 0,
+ Schema.STRING_SCHEMA, null, Schema.STRING_SCHEMA, "value");
+ SourceRecord transformed = xformKey.apply(original);
+ assertEquals(original, transformed);
+ }
+
+ @Test
+ public void castNullKeyRecordSchemaless() {
+ xformKey.configure(Collections.singletonMap(Cast.SPEC_CONFIG, "foo:int64"));
+ SourceRecord original = new SourceRecord(null, null, "topic", 0,
+ null, null, Schema.STRING_SCHEMA, "value");
+ SourceRecord transformed = xformKey.apply(original);
+ assertEquals(original, transformed);
+ }
+
+
@Test
public void castWholeRecordKeyWithSchema() {
xformKey.configure(Collections.singletonMap(Cast.SPEC_CONFIG, "int8"));

5
kafka.spec
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@ -4,7 +4,7 @@
Name: kafka
Version: 2.8.2
Release: 7
Release: 8
Summary: A Distributed Streaming Platform.
License: Apache-2.0
@ -19,6 +19,7 @@ Patch3: 0004-CVE-2022-42004.patch
Patch4: 0005-CVE-2016-3189.patch
Patch5: 0006-NPE-subscriptionState.patch
Patch6: 0007-fix-payload-incorrectly.patch
Patch7: 0008-Cast-SMT-allow-null.patch
BuildRequires: systemd java-1.8.0-openjdk-devel
Provides: kafka = %{version}
@ -70,6 +71,8 @@ cp -pr licenses/* $RPM_BUILD_ROOT%{kafka_home}/licenses
rm -rf %{buildroot}
%changelog
* Fri Dec 08 2023 sundapeng <sundapeng_yewu@cmss.chinamobile.com> - 2.8.2-8
- Cast SMT should allow null value records to pass through
* Fri Dec 08 2023 sundapeng <sundapeng_yewu@cmss.chinamobile.com> - 2.8.2-7
- Fix using random payload in ProducerPerformance incorrectly
* Mon Nov 27 2023 sundapeng <sundapeng_yewu@cmss.chinamobile.com> - 2.8.2-6