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Posted to issues@spark.apache.org by "Kent Yao (Jira)" <ji...@apache.org> on 2021/10/25 08:08:04 UTC
[jira] [Resolved] (SPARK-37098) Alter table properties should
invalidate cache
[ https://issues.apache.org/jira/browse/SPARK-37098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kent Yao resolved SPARK-37098.
------------------------------
Fix Version/s: 3.3.0
3.2.1
3.1.3
Resolution: Fixed
> Alter table properties should invalidate cache
> ----------------------------------------------
>
> Key: SPARK-37098
> URL: https://issues.apache.org/jira/browse/SPARK-37098
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.3, 3.1.2, 3.2.0, 3.3.0
> Reporter: XiDuo You
> Assignee: XiDuo You
> Priority: Major
> Fix For: 3.1.3, 3.2.1, 3.3.0
>
>
> The table properties can change the behavior of wriing. e.g. the parquet table with `parquet.compression`.
> If you execute the following SQL, we will get the file with snappy compression rather than zstd.
> {code:java}
> CREATE TABLE t (c int) STORED AS PARQUET;
> // cache table metadata
> SELECT * FROM t;
> ALTER TABLE t SET TBLPROPERTIES('parquet.compression'='zstd');
> INSERT INTO TABLE t values(1);
> {code}
> So we should invalidate the table cache after alter table properties.
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