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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/08/23 08:06:00 UTC
[jira] [Assigned] (SPARK-25207) Case-insensitve field resolution
for filter pushdown when reading Parquet
[ https://issues.apache.org/jira/browse/SPARK-25207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-25207:
------------------------------------
Assignee: (was: Apache Spark)
> Case-insensitve field resolution for filter pushdown when reading Parquet
> -------------------------------------------------------------------------
>
> Key: SPARK-25207
> URL: https://issues.apache.org/jira/browse/SPARK-25207
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: yucai
> Priority: Major
>
> Currently, filter pushdown will not work if Parquet schema and Hive metastore schema are in different letter cases even spark.sql.caseSensitive is false.
> Like the below case:
> {code:java}
> spark.range(10).write.parquet("/tmp/data")
> sql("DROP TABLE t")
> sql("CREATE TABLE t (ID LONG) USING parquet LOCATION '/tmp/data'")
> sql("select * from t where id > 0").show{code}
> No filter will be pushed down.
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