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https://issues.apache.org/jira/browse/IMPALA-11739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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gaoxiaoqing updated IMPALA-11739:
---------------------------------
Description:
Following query throws an Exception, "ERROR: ClassCastException:
org.apache.impala.analysis.NullLiteral cannot be cast to
org.apache.impala.analysis.StringLiteral"
{noformat}
select * from iceberg_alltypes_part where p_string!=NULL;{noformat}
When hdfs table filtered not equal null or equal null, it is successful. It
should keep same.
> Iceberg table cannot be filtered not equal NULL or equal NULL
> -------------------------------------------------------------
>
> Key: IMPALA-11739
> URL: https://issues.apache.org/jira/browse/IMPALA-11739
> Project: IMPALA
> Issue Type: Bug
> Reporter: gaoxiaoqing
> Assignee: gaoxiaoqing
> Priority: Major
> Fix For: Impala 4.2.0
>
>
> Following query throws an Exception, "ERROR: ClassCastException:
> org.apache.impala.analysis.NullLiteral cannot be cast to
> org.apache.impala.analysis.StringLiteral"
> {noformat}
> select * from iceberg_alltypes_part where p_string!=NULL;{noformat}
> When hdfs table filtered not equal null or equal null, it is successful. It
> should keep same.
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