BenJFan commented on a change in pull request #1369:
URL:
https://github.com/apache/incubator-seatunnel/pull/1369#discussion_r819198857
##########
File path:
seatunnel-connectors/seatunnel-connector-spark-clickhouse/src/main/scala/org/apache/seatunnel/spark/sink/Clickhouse.scala
##########
@@ -16,37 +16,56 @@
*/
package org.apache.seatunnel.spark.sink
-import java.math.BigDecimal
+import net.jpountz.xxhash.{XXHash64, XXHashFactory}
Review comment:
When sharding key isn't a number, we need use hash to get which shard we
should write.
``` scala
val offset =
(hashInstance.hash(ByteBuffer.wrap(row.getString(fieldIndex).getBytes), 0) &
Long.MaxValue %
this.shardWeightCount).toInt
```
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