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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/02/25 16:35:00 UTC
[jira] [Assigned] (SPARK-34543) Respect case sensitivity in V1
ALTER TABLE .. SET LOCATION
[ https://issues.apache.org/jira/browse/SPARK-34543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-34543:
------------------------------------
Assignee: Maxim Gekk (was: Apache Spark)
> Respect case sensitivity in V1 ALTER TABLE .. SET LOCATION
> ----------------------------------------------------------
>
> Key: SPARK-34543
> URL: https://issues.apache.org/jira/browse/SPARK-34543
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.4.7, 3.0.2, 3.1.1
> Reporter: Maxim Gekk
> Assignee: Maxim Gekk
> Priority: Major
>
> SHOW PARTITIONS is case sensitive, and doesn't respect the SQL config *spark.sql.caseSensitive* which is false by default, for instance:
> {code:sql}
> spark-sql> CREATE TABLE tbl (id INT, part INT) PARTITIONED BY (part);
> spark-sql> INSERT INTO tbl PARTITION (part=0) SELECT 0;
> spark-sql> SHOW TABLE EXTENDED LIKE 'tbl' PARTITION (part=0);
> Location: file:/Users/maximgekk/proj/set-location-case-sense/spark-warehouse/tbl/part=0
> spark-sql> ALTER TABLE tbl ADD PARTITION (part=1);
> spark-sql> SELECT * FROM tbl;
> 0 0
> {code}
> Create new partition folder in the file system:
> {code}
> $ cp -r /Users/maximgekk/proj/set-location-case-sense/spark-warehouse/tbl/part=0 /Users/maximgekk/proj/set-location-case-sense/spark-warehouse/tbl/aaa
> {code}
> Set new location for the partition part=1:
> {code:sql}
> spark-sql> ALTER TABLE tbl PARTITION (part=1) SET LOCATION '/Users/maximgekk/proj/set-location-case-sense/spark-warehouse/tbl/aaa';
> spark-sql> SELECT * FROM tbl;
> 0 0
> 0 1
> spark-sql> ALTER TABLE tbl ADD PARTITION (PART=2);
> spark-sql> SELECT * FROM tbl;
> 0 0
> 0 1
> {code}
> Set location for a partition in the upper case:
> {code}
> $ cp -r /Users/maximgekk/proj/set-location-case-sense/spark-warehouse/tbl/part=0 /Users/maximgekk/proj/set-location-case-sense/spark-warehouse/tbl/bbb
> {code}
> {code:sql}
> spark-sql> ALTER TABLE tbl PARTITION (PART=2) SET LOCATION '/Users/maximgekk/proj/set-location-case-sense/spark-warehouse/tbl/bbb';
> Error in query: Partition spec is invalid. The spec (PART) must match the partition spec (part) defined in table '`default`.`tbl`'
> {code}
>
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