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https://issues.apache.org/jira/browse/HIVE-9513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14297833#comment-14297833
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ErwanMAS commented on HIVE-9513:
--------------------------------
in 0.14 we have
FAILED: SemanticException The abstract syntax tree is null
or
FAILED: SemanticException 4:36 Schema of both sides of union should match.
e-subquery2 does not have the field dummyfoo. Error encountered near token 'bar'
{noformat}
create table foo ( dummyfoo string ) ;
create table bar ( dummybar string ) ;
Version1 :
select * from (
select * from ( select 1 as id , dummyfoo from foo ) f
union all
select * from ( select 2 as id , dummybar from bar ) g
) e ;
Version 2 :
select * from (
select 1 as id , dummyfoo from foo f
union all
select 2 as id , dummybar from bar g
) e ;
{noformat}
> NULL POINTER EXCEPTION
> ----------------------
>
> Key: HIVE-9513
> URL: https://issues.apache.org/jira/browse/HIVE-9513
> Project: Hive
> Issue Type: Bug
> Components: CLI
> Affects Versions: 0.13.1
> Reporter: ErwanMAS
>
> NPE duting parsing of :
> {noformat}
> select * from (
> select * from ( select 1 as id , "foo" as str_1 from staging.dual ) f
> union all
> select * from ( select 2 as id , "bar" as str_2 from staging.dual ) g
> ) e ;
> {noformat}
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