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Posted to issues@hive.apache.org by "Zhizhen Hou (Jira)" <ji...@apache.org> on 2022/11/28 02:49:00 UTC
[jira] [Updated] (HIVE-26779) UNION ALL throws SemanticException when trying to remove partition predicates: fail to find child from parent
[ https://issues.apache.org/jira/browse/HIVE-26779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhizhen Hou updated HIVE-26779:
-------------------------------
Summary: UNION ALL throws SemanticException when trying to remove partition predicates: fail to find child from parent (was: UNION ALL throws SemanticException Exception when trying to remove partition predicates: fail to find child from parent)
> UNION ALL throws SemanticException when trying to remove partition predicates: fail to find child from parent
> -------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-26779
> URL: https://issues.apache.org/jira/browse/HIVE-26779
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 4.0.0-alpha-2
> Reporter: Zhizhen Hou
> Priority: Major
>
> {quote}Reproduce sql:
> drop table if exists tez_test_t1;
> create table tez_test_t1(md_exper string);
> insert into tez_test_t1 values('tez_test_t1-md_expr');
> drop table if exists tez_test_t5;
> create table tez_test_t5(md_exper string, did string);
> insert into tez_test_t5 values('tez_test_t5-md_expr','tez_test_t5-did');
> drop table if exists tez_test_t2;
> create table tez_test_t2(did string);
> insert into tez_test_t2 values('tez_test_t2-did');
> SELECT md_exper,null as ads_h5_gap , null as first_login_did, null as inclick_did
> FROM tez_test_t1
> UNION ALL
> SELECT md_exper, ads_h5_gap ,
> NULL AS first_login_did,did AS inclick_did
> FROM tez_test_t5
> LATERAL VIEW explode(split('0,6', ',')) gaps AS ads_h5_gap
> UNION ALL
> SELECT '' AS md_exper,'0,6' as ads_h5_gap ,
> did AS first_login_did, NULL AS inclick_did
> FROM tez_test_t2
> GROUP BY did;
> {quote}
>
> StackTrace
> 2022-11-27T09:31:06,801 ERROR [21d35a7f-9625-46ae-9c3d-13ca925f55cb main]: ql.Driver (:()) - FAILED: SemanticException Exception when trying to remove partition predicates: fail to find child from parent
> org.apache.hadoop.hive.ql.parse.SemanticException: Exception when trying to remove partition predicates: fail to find child from parent
> at org.apache.hadoop.hive.ql.exec.Operator.removeChildAndAdoptItsChildren(Operator.java:859)
> at org.apache.hadoop.hive.ql.parse.GenTezUtils.removeUnionOperators(GenTezUtils.java:348)
> at org.apache.hadoop.hive.ql.parse.TezCompiler.generateTaskTree(TezCompiler.java:573)
> at org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:241)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:12333)
> at org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:330)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:286)
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