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DATAREDIS-1190 - Cluster rename now correctly overwrites existing keys.

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rename(…) behavior in cluster-mode is now aligned with standalone Redis behavior that overwrites the target key if it already exists and the renamed key uses a different slot. Previously, the underlying restore command was called without the replace option which caused BUSYKEY failures.

Original Pull Request: #555
This commit is contained in:
Mark Paluch
2020-08-10 11:43:57 +02:00
committed by Christoph Strobl
parent e987f33248
commit 5c6b0c3fb3
5 changed files with 29 additions and 2 deletions
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2
src/main/java/org/springframework/data/redis/connection/jedis/JedisClusterKeyCommands.java
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@@ -269,7 +269,7 @@ class JedisClusterKeyCommands implements RedisKeyCommands {
if (value != null && value.length > 0) {
restore(targetKey, 0, value);
restore(targetKey, 0, value, true);
del(sourceKey);
}
}

2
src/main/java/org/springframework/data/redis/connection/lettuce/LettuceClusterKeyCommands.java
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@@ -118,7 +118,7 @@ class LettuceClusterKeyCommands extends LettuceKeyCommands {
if (value != null && value.length > 0) {
restore(targetKey, 0, value);
restore(targetKey, 0, value, true);
del(sourceKey);
}
}

3
src/test/java/org/springframework/data/redis/connection/ClusterConnectionTests.java
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@@ -413,6 +413,9 @@ public interface ClusterConnectionTests {
// DATAREDIS-315
void rename();
// DATAREDIS-1190
void renameShouldOverwriteTargetKey();
// DATAREDIS-315
void renameNXWhenOnSameSlot();

12
src/test/java/org/springframework/data/redis/connection/jedis/JedisClusterConnectionTests.java
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@@ -1421,6 +1421,18 @@ public class JedisClusterConnectionTests implements ClusterConnectionTests {
assertThat(nativeConnection.get(KEY_2_BYTES)).isEqualTo(VALUE_1_BYTES);
}
@Test // DATAREDIS-1190
public void renameShouldOverwriteTargetKey() {
nativeConnection.set(KEY_1_BYTES, VALUE_1_BYTES);
nativeConnection.set(KEY_2_BYTES, VALUE_2_BYTES);
clusterConnection.rename(KEY_1_BYTES, KEY_2_BYTES);
assertThat(nativeConnection.exists(KEY_1_BYTES)).isFalse();
assertThat(nativeConnection.get(KEY_2_BYTES)).isEqualTo(VALUE_1_BYTES);
}
@Test // DATAREDIS-315
public void renameNXWhenOnSameSlot() {

12
src/test/java/org/springframework/data/redis/connection/lettuce/LettuceClusterConnectionTests.java
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@@ -1437,6 +1437,18 @@ public class LettuceClusterConnectionTests implements ClusterConnectionTests {
assertThat(nativeConnection.get(KEY_2)).isEqualTo(VALUE_1);
}
@Test // DATAREDIS-1190
public void renameShouldOverwriteTargetKey() {
nativeConnection.set(KEY_1, VALUE_1);
nativeConnection.set(KEY_2, VALUE_2);
clusterConnection.rename(KEY_1_BYTES, KEY_2_BYTES);
assertThat(nativeConnection.exists(KEY_1)).isEqualTo(0L);
assertThat(nativeConnection.get(KEY_2)).isEqualTo(VALUE_1);
}
@Test // DATAREDIS-315
public void renameNXWhenOnSameSlot() {