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https://issues.apache.org/jira/browse/SPARK-24085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li resolved SPARK-24085.
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Resolution: Fixed
Assignee: Dilip Biswal
Fix Version/s: 2.3.1
> Scalar subquery error
> ---------------------
>
> Key: SPARK-24085
> URL: https://issues.apache.org/jira/browse/SPARK-24085
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0, 2.3.1
> Reporter: Alexey Baturin
> Assignee: Dilip Biswal
> Priority: Major
> Fix For: 2.3.1
>
>
> Error
> {noformat}
> SQL Error: java.lang.UnsupportedOperationException: Cannot evaluate
> expression: scalar-subquery{noformat}
> Then query a partitioed table based on a parquet file then filter by
> partition column by scalar subquery.
> Query to reproduce:
> {code:sql}
> CREATE TABLE test_prc_bug (
> id_value string
> )
> partitioned by (id_type string)
> location '/tmp/test_prc_bug'
> stored as parquet;
> insert into test_prc_bug values ('1','a');
> insert into test_prc_bug values ('2','a');
> insert into test_prc_bug values ('3','b');
> insert into test_prc_bug values ('4','b');
> select * from test_prc_bug
> where id_type = (select 'b');
> {code}
> If table in ORC format it works fine
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