Thanks for reporting this Akash. I created the Jira to track this -
https://jira.apache.org/jira/browse/HUDI-852 . Feel free to take a stab if
interested. Let me know so I can re-assign it to you.
Thanks,
Sudha
On Wed, Apr 29, 2020 at 10:31 PM aakash aakash <email2aak...@gmail.com>
wrote:
> Hi,
>
> While running commands from Hudi quick start guide, I found that the
> library does not check for the table name in the request against the table
> name in the metadata available in the base path, I think it should throw
> TableAlreadyExist, In case of Save mode: *overwrite *it warns.
>
> *spark-2.4.4-bin-hadoop2.7/bin/spark-shell --packages
>
> org.apache.hudi:hudi-spark-bundle_2.11:0.5.1-incubating,org.apache.spark:spark-avro_2.11:2.4.4
> --conf 'spark.serializer=org.apache.spark.serializer.KryoSerializer'*
>
> scala> df.write.format("hudi").
> | options(getQuickstartWriteConfigs).
> | option(PRECOMBINE_FIELD_OPT_KEY, "ts").
> | option(RECORDKEY_FIELD_OPT_KEY, "uuid").
> | option(PARTITIONPATH_FIELD_OPT_KEY, "partitionpath").
> * | option(TABLE_NAME, "test_table").*
> | mode(*Append*).
> | save(basePath)
> 20/04/29 17:23:42 WARN DefaultSource: Snapshot view not supported yet via
> data source, for MERGE_ON_READ tables. Please query the Hive table
> registered using Spark SQL.
>
> scala>
>
> No exception is thrown if we run this
>
> scala> df.write.format("hudi").
> | options(getQuickstartWriteConfigs).
> | option(PRECOMBINE_FIELD_OPT_KEY, "ts").
> | option(RECORDKEY_FIELD_OPT_KEY, "uuid").
> | option(PARTITIONPATH_FIELD_OPT_KEY, "partitionpath").
> * | option(TABLE_NAME, "foo_table").*
> | mode(*Append*).
> | save(basePath)
> 20/04/29 17:24:37 WARN DefaultSource: Snapshot view not supported yet via
> data source, for MERGE_ON_READ tables. Please query the Hive table
> registered using Spark SQL.
>
> scala>
>
>
> scala> df.write.format("hudi").
> | options(getQuickstartWriteConfigs).
> | option(PRECOMBINE_FIELD_OPT_KEY, "ts").
> | option(RECORDKEY_FIELD_OPT_KEY, "uuid").
> | option(PARTITIONPATH_FIELD_OPT_KEY, "partitionpath").
> | option(TABLE_NAME, *tableName*).
> | mode(*Overwrite*).
> | save(basePath)
> *20/04/29 22:25:16 WARN HoodieSparkSqlWriter$: hoodie table at
> file:/tmp/hudi_trips_cow already exists. Deleting existing data &
> overwriting with new data.*
> 20/04/29 22:25:18 WARN DefaultSource: Snapshot view not supported yet via
> data source, for MERGE_ON_READ tables. Please query the Hive table
> registered using Spark SQL.
>
> scala>
>
>
> Regards,
> Aakash
>
