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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/07/30 02:53:34 UTC
[GitHub] [flink] lirui-apache commented on a change in pull request #9264:
[FLINK-13192][hive] Add tests for different Hive table formats
lirui-apache commented on a change in pull request #9264: [FLINK-13192][hive] Add tests for different Hive table formats
URL: https://github.com/apache/flink/pull/9264#discussion_r308514138
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File path: flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/batch/connectors/hive/HiveTableOutputFormat.java
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@@ -256,10 +258,12 @@ public void configure(Configuration parameters) {
public void open(int taskNumber, int numTasks) throws IOException {
try {
StorageDescriptor sd = hiveTablePartition.getStorageDescriptor();
- serializer = (AbstractSerDe) Class.forName(sd.getSerdeInfo().getSerializationLib()).newInstance();
+ serializer = (Serializer) Class.forName(sd.getSerdeInfo().getSerializationLib()).newInstance();
+ Preconditions.checkArgument(serializer instanceof Deserializer,
Review comment:
The problem is `SerDeUtils.initializeSerDe` requires a `Deserializer`. So we have to do the cast if we want to reuse this util method. Since most, if not all, SerDe lib implement both Serializer and Deserializer, I suppose this cast is OK?
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