HeartSaVioR commented on a change in pull request #26153:
[SPARK-29500][SQL][SS] Support partition column when writing to Kafka
URL: https://github.com/apache/spark/pull/26153#discussion_r336323886
##########
File path:
external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaSinkSuite.scala
##########
@@ -404,20 +420,85 @@ abstract class KafkaSinkBatchSuiteBase extends
KafkaSinkSuiteBase {
.save()
checkAnswer(
createKafkaReader(topic, includeHeaders = true).selectExpr(
- "CAST(value as STRING) value", "headers"
+ "CAST(value as STRING) value", "headers", "partition"
),
- Row("1", Seq(Row("a", "b".getBytes(UTF_8)))) ::
- Row("2", Seq(Row("c", "d".getBytes(UTF_8)), Row("e",
"f".getBytes(UTF_8)))) ::
- Row("3", Seq(Row("g", "h".getBytes(UTF_8)), Row("g",
"i".getBytes(UTF_8)))) ::
- Row("4", null) ::
+ Row("1", Seq(Row("a", "b".getBytes(UTF_8))), 0) ::
+ Row("2", Seq(Row("c", "d".getBytes(UTF_8)), Row("e",
"f".getBytes(UTF_8))), 1) ::
+ Row("3", Seq(Row("g", "h".getBytes(UTF_8)), Row("g",
"i".getBytes(UTF_8))), 2) ::
+ Row("4", null, 3) ::
Row("5", Seq(
Row("j", "k".getBytes(UTF_8)),
Row("j", "l".getBytes(UTF_8)),
- Row("m", "n".getBytes(UTF_8)))) ::
+ Row("m", "n".getBytes(UTF_8))), 0) ::
Nil
)
}
+ test("batch - partition column vs default Kafka partitioner") {
+ val fixedKey = "fixed_key"
+ val nrPartitions = 100
Review comment:
It wouldn't matter if we just set number of partitions to 10 - we have flaky
test failures where we cannot get metadata from Kafka in timeout, so I'd rather
not make pressure on Kafka side.
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