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https://issues.apache.org/jira/browse/SPARK-32388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hyukjin Kwon resolved SPARK-32388.
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Fix Version/s: 3.1.0
Resolution: Fixed
Issue resolved by pull request 29421
[https://github.com/apache/spark/pull/29421]
> TRANSFORM when schema less should keep same with hive
> -----------------------------------------------------
>
> Key: SPARK-32388
> URL: https://issues.apache.org/jira/browse/SPARK-32388
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: angerszhu
> Assignee: angerszhu
> Priority: Major
> Fix For: 3.1.0
>
>
> Hive transform without schema
>
> {code:java}
> hive> create table t (c0 int, c1 int, c2 int);
> hive> INSERT INTO t VALUES (1, 1, 1);
> hive> INSERT INTO t VALUES (2, 2, 2);
> hive> CREATE VIEW v AS SELECT TRANSFORM(c0, c1, c2) USING 'cat' FROM t;
> hive> DESCRIBE v;
> key string
> value string
> hive> SELECT * FROM v;
> 1 1 1
> 2 2 2
> hive> SELECT key FROM v;
> 1
> 2
> hive> SELECT value FROM v;
> 1 1
> 2 2{code}
> Spark
> {code:java}
> hive> create table t (c0 int, c1 int, c2 int);
> hive> INSERT INTO t VALUES (1, 1, 1);
> hive> INSERT INTO t VALUES (2, 2, 2);
> hive> CREATE VIEW v AS SELECT TRANSFORM(c0, c1, c2) USING 'cat' FROM t;
> hive> SELECT * FROM v;
> 1 11
> 2 22 {code}
>
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