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[HUDI-4119] the first read result is incorrect when Flink upsert- Kafka connector is used in HUDi #5626

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Merged
XuQianJin-Stars merged 11 commits into from
May 20, 2022
Merged

[HUDI-4119] the first read result is incorrect when Flink upsert- Kafka connector is used in HUDi #5626

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75ef37e
HUDI-4044 When reading data from flink-hudi to external storage, the …
May 6, 2022
f88f4a6
HUDI-4044 When reading data from flink-hudi to external storage, the …
May 9, 2022
6b98aa1
HUDI-4044 When reading data from flink-hudi to external storage, the …
May 9, 2022
0045f11
HUDI-4044 When reading data from flink-hudi to external storage, the …
May 9, 2022
0cfbdfc
HUDI-4044 When reading data from flink-hudi to external storage, the …
May 9, 2022
ed71643
Merge branch 'apache:master' into master
aliceyyan May 18, 2022
422c808
HUDI-4119 the first read result is incorrect when Flink upsert- Kafka…
May 18, 2022
284ce75
HUDI-4119 the first read result is incorrect when Flink upsert- Kafka…
May 19, 2022
21cde89
HUDI-4119 the first read result is incorrect when Flink upsert- Kafka…
May 19, 2022
781e5c9
HUDI-4119 the first read result is incorrect when Flink upsert- Kafka…
May 19, 2022
78ce0d4
HUDI-4119 the first read result is incorrect when Flink upsert- Kafka…
May 20, 2022
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18 changes: 17 additions & 1 deletion hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/util/StreamerUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
import org.apache.hudi.common.engine.EngineType;
import org.apache.hudi.common.fs.FSUtils;
import org.apache.hudi.common.model.HoodieCleaningPolicy;
import org.apache.hudi.common.model.HoodieCommitMetadata;
import org.apache.hudi.common.table.HoodieTableMetaClient;
import org.apache.hudi.common.table.log.HoodieLogFormat;
import org.apache.hudi.common.table.timeline.HoodieActiveTimeline;
Expand All @@ -37,6 +38,7 @@
import org.apache.hudi.common.util.Option;
import org.apache.hudi.common.util.ReflectionUtils;
import org.apache.hudi.common.util.ValidationUtils;
import org.apache.hudi.common.util.collection.Pair;
import org.apache.hudi.config.HoodieCompactionConfig;
import org.apache.hudi.config.HoodieMemoryConfig;
import org.apache.hudi.config.HoodiePayloadConfig;
Expand Down Expand Up @@ -291,6 +293,15 @@ public static boolean tableExists(String basePath, org.apache.hadoop.conf.Config
}
}

/**
* Returns whether the hoodie table data exists .
*/
public static boolean tableDataExists(HoodieTableMetaClient metaClient) {
HoodieActiveTimeline activeTimeline = metaClient.getActiveTimeline();
Option<Pair<HoodieInstant, HoodieCommitMetadata>> instantAndCommitMetadata = activeTimeline.getLastCommitMetadataWithValidData();
return instantAndCommitMetadata.isPresent();
}

/**
* Generates the bucket ID using format {partition path}_{fileID}.
*/
Expand Down Expand Up @@ -333,7 +344,12 @@ public static HoodieTableMetaClient metaClientForReader(
if (conf.getBoolean(FlinkOptions.READ_AS_STREAMING) && !tableExists(basePath, hadoopConf)) {
return null;
} else {
return createMetaClient(basePath, hadoopConf);
HoodieTableMetaClient metaClient = createMetaClient(basePath, hadoopConf);
if (tableDataExists(metaClient)) {
return metaClient;
} else {
return null;
}
}
}

Expand Down