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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2022/01/26 00:41:39 UTC
[GitHub] [iceberg] kbendick edited a comment on issue #3585: Spark 3.2.0 java.lang.IncompatibleClassChangeError when using IcebergSparkSessionExtensions
kbendick edited a comment on issue #3585:
URL: https://github.com/apache/iceberg/issues/3585#issuecomment-1021743093
From Spark 3.2, I also used a partitioned table to test dynamic partition overwrite in Spark 3.2
Bash start up script from spark-3.2.0-bin-hadoop3.2:
```bash
mkdir -p /tmp/iceberg/warehouse && ./bin/spark-shell \
--packages 'org.apache.iceberg:iceberg-spark-runtime-3.2_2.12:0.13.0' \
--repositories https://repository.apache.org/content/repositories/orgapacheiceberg-1079/ \
--conf spark.sql.extensions=org.apache.iceberg.spark.extensions.IcebergSparkSessionExtensions \
--conf spark.sql.catalog.local=org.apache.iceberg.spark.SparkCatalog \
--conf spark.sql.catalog.local.type=hadoop \
--conf spark.sql.catalog.local.warehouse=/tmp/iceberg/warehouse \
--conf spark.sql.sources.partitionOverwriteMode=dynamic
```
Spark Shell:
```scala
scala> spark.sql("CREATE TABLE local.db.table_partitioned (id bigint, data string) USING iceberg partitioned by (id)")
res6: org.apache.spark.sql.DataFrame = []
scala> spark.sql("show tables in local.db").show
+---------+-----------------+-----------+
|namespace| tableName|isTemporary|
+---------+-----------------+-----------+
| db|table_partitioned| false|
| db| table| false|
+---------+-----------------+-----------+
scala> spark.sql("INSERT INTO local.db.table_partitioned(id, data) VALUES (1, 'Hank'), (2, 'Kyle'), (3, 'Jethro'), (4, 'Russell'), (5, 'Maggie')")
scala> spark.sql("select * from local.db.table_partitioned").show
+---+-------+
| id| data|
+---+-------+
| 1| Hank|
| 2| Kyle|
| 3| Jethro|
| 4|Russell|
| 5| Maggie|
+---+-------+
scala> spark.createDataFrame(Seq((3, "Burt"))).toDF("id", "data").write.mode("overwrite").insertInto("local.db.table_partitioned")
scala> spark.sql("select * from local.db.table_partitioned order by id").show
+---+-------+
| id| data|
+---+-------+
| 1| Hank|
| 2| Kyle|
| 3| Burt|
| 4|Russell|
| 5| Maggie|
+---+-------+
```
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