[
https://issues.apache.org/jira/browse/HUDI-8821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Davis Zhang resolved HUDI-8821.
-------------------------------
> Hudi 1.0 Spark SQL unexpected delete behaviors with backward writer
> -------------------------------------------------------------------
>
> Key: HUDI-8821
> URL: https://issues.apache.org/jira/browse/HUDI-8821
> Project: Apache Hudi
> Issue Type: Sub-task
> Reporter: Leon Lin
> Assignee: Davis Zhang
> Priority: Blocker
> Fix For: 1.0.1
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> Reproduction Steps:
>
> {code:java}
> // 1. Create an empty table with Hudi 0.14 + Spark 3.5.0
> spark.sql(
> """
> |CREATE TABLE lliangyu_table_mor (
> | event_id INT,
> | event_date STRING,
> | event_name STRING,
> | event_ts STRING,
> | event_type STRING
> |) USING hudi
> | OPTIONS(
> | type = 'mor',
> | primaryKey = 'event_id,event_date',
> | preCombileField = 'event_ts',
> | hoodie.write.table.version = 6,
> | hoodie.compact.inline = 'true',
> | hoodie.compact.inline.max.delta.commits = 2
> |)
> |PARTITIONED BY (event_type)
> |LOCATION
> 's3://lliangyu-580974493829-us-west-2/warehouse/hudi/lliangyu_table_mor';
> """.stripMargin){code}
> {code:java}
> // 2. Insert some rows using Spark 3.5.3 / Hudi 1.0 Backward writer
> spark.sql("set hoodie.write.table.version=6")
> spark.sql("set hoodie.compact.inline='true'")
> spark.sql("set hoodie.compact.inline.max.delta.commits=2")
> val insertStatements = Seq(
> "INSERT INTO lliangyu_table_mor VALUES (100, '2015-01-01', 'event_name_900',
> '2015-01-01T13:51:39.340396Z', 'type1');",
> "INSERT INTO lliangyu_table_mor VALUES (101, '2015-01-01', 'event_name_546',
> '2015-01-01T12:14:58.597216Z', 'type2');",
> "INSERT INTO lliangyu_table_mor VALUES (102, '2015-01-01', 'event_name_345',
> '2015-01-01T13:51:40.417052Z', 'type3');",
> "INSERT INTO lliangyu_table_mor VALUES (103, '2015-01-01', 'event_name_234',
> '2015-01-01T13:51:40.519832Z', 'type4');",
> "INSERT INTO lliangyu_table_mor VALUES (104, '2015-01-01', 'event_name_123',
> '2015-01-01T12:15:00.512679Z', 'type1');",
> "INSERT INTO lliangyu_table_mor VALUES (105, '2015-01-01', 'event_name_678',
> '2015-01-01T13:51:42.248818Z', 'type2');",
> "INSERT INTO lliangyu_table_mor VALUES (106, '2015-01-01', 'event_name_890',
> '2015-01-01T13:51:44.735360Z', 'type3');",
> "INSERT INTO lliangyu_table_mor VALUES (107, '2015-01-01', 'event_name_944',
> '2015-01-01T13:51:45.019544Z', 'type4');",
> "INSERT INTO lliangyu_table_mor VALUES (108, '2015-01-01', 'event_name_456',
> '2015-01-01T13:51:45.208007Z', 'type1');",
> "INSERT INTO lliangyu_table_mor VALUES (109, '2015-01-01', 'event_name_567',
> '2015-01-01T13:51:45.369689Z', 'type2');",
> "INSERT INTO lliangyu_table_mor VALUES (110, '2015-01-01', 'event_name_789',
> '2015-01-01T12:15:05.664947Z', 'type3');"
> )
> insertStatements.foreach { query => spark.sql(query) }
> // DUE TO issue with https://issues.apache.org/jira/browse/HUDI-8820
> // You will find some rows inserted using backward writer does not appear in
> selection.{code}
>
> {code:java}
> // 3. Delete some rows using Spark 3.5.3 / Hudi 1.0 Backward writer
> // Run deletes on rows that could be retrieved from selection
> spark.sql("DELETE FROM default.lliangyu_table_mor WHERE event_type =
> 'type2'").show(false);
> // Run select again returns incorrect results.
> +-------------------+---------------------+----------------------------------+----------------------+---------------------------------------------------------------------------+--------+----------+--------------+---------------------------+----------+
> |_hoodie_commit_time|_hoodie_commit_seqno |_hoodie_record_key
> |_hoodie_partition_path|_hoodie_file_name |event_id|event_date|event_name
> |event_ts |event_type|
> +-------------------+---------------------+----------------------------------+----------------------+---------------------------------------------------------------------------+--------+----------+--------------+---------------------------+----------+
> |20250103202501108
> |20250103202501108_0_0|event_id:108,event_date:2015-01-01|event_type=type1
> |b935d179-56b3-4f81-81e4-8bb0cf97c873-0_0-131-4218_20250103202501108.parquet|108
> |2015-01-01|event_name_456|2015-01-01T13:51:45.208007Z|type1 |
> +-------------------+---------------------+----------------------------------+----------------------+---------------------------------------------------------------------------+--------+----------+--------------+---------------------------+----------+
> {code}
>
>
>
>
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