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Stream-table join for Samza-sql: Use SamzaSQLRelMsgSerde as value serde for repartitioning the stream #643

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Stream-table join for Samza-sql: Use SamzaSQLRelMsgSerde as value serde for repartitioning the stream #643

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4 changes: 3 additions & 1 deletion samza-sql/src/main/java/org/apache/samza/sql/translator/JoinTranslator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@
import org.apache.samza.sql.data.SamzaSqlRelMessage;
import org.apache.samza.sql.interfaces.SqlIOResolver;
import org.apache.samza.sql.interfaces.SqlIOConfig;
import org.apache.samza.sql.serializers.SamzaSqlRelMessageSerdeFactory;
import org.apache.samza.table.Table;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand Down Expand Up @@ -113,7 +114,8 @@ void translate(final LogicalJoin join, final TranslatorContext context) {
tableFieldNames);

Serde<SamzaSqlCompositeKey> keySerde = new JsonSerdeV2<>(SamzaSqlCompositeKey.class);
Serde<SamzaSqlRelMessage> valueSerde = new JsonSerdeV2<>(SamzaSqlRelMessage.class);
SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde valueSerde =
(SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde) new SamzaSqlRelMessageSerdeFactory().getSerde(null, null);

// Always re-partition the messages from the input stream by the composite key and then join the messages
// with the table.
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