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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-25207) Case-insensitve field resolution for filter pushdown when reading Parquet
Date Thu, 23 Aug 2018 08:06:00 GMT

     [ 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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