[
https://issues.apache.org/jira/browse/HIVE-21843?focusedWorklogId=519552&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-519552
]
ASF GitHub Bot logged work on HIVE-21843:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Dec/20 11:06
Start Date: 03/Dec/20 11:06
Worklog Time Spent: 10m
Work Description: kgyrtkirk merged pull request #1684:
URL: https://github.com/apache/hive/pull/1684
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Issue Time Tracking
-------------------
Worklog Id: (was: 519552)
Time Spent: 50m (was: 40m)
> UNION query with regular expressions for column name does not work
> ------------------------------------------------------------------
>
> Key: HIVE-21843
> URL: https://issues.apache.org/jira/browse/HIVE-21843
> Project: Hive
> Issue Type: Bug
> Components: Parser
> Reporter: Oleksiy Sayankin
> Assignee: Oleksiy Sayankin
> Priority: Critical
> Labels: pull-request-available
> Attachments: HIVE-21843.1.patch, HIVE-21843.10.patch,
> HIVE-21843.4.patch, HIVE-21843.6.patch, HIVE-21843.7.patch,
> HIVE-21843.8.patch, HIVE-21843.9.patch
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> *STEPS TO REPRODUCE:*
> 1. Create a table:
> {code:java}CREATE TABLE t (a1 INT, a2 INT);
> INSERT INTO TABLE t VALUES (1,1),(1,2),(2,1),(2,2);{code}
> 2. SET hive.support.quoted.identifiers to "none":
> {code:java}SET hive.support.quoted.identifiers=none;{code}
> 3. Run the query:
> {code:java}SELECT `(a1)?+.+` FROM t
> UNION
> SELECT `(a2)?+.+` FROM t;{code}
> *ACTUAL RESULT:*
> The query fails with an exception:
> {code:java}2019-05-23T01:36:53,604 ERROR
> [9aa457a9-1c74-466e-abef-ec2f007117f3 main] ql.Driver: FAILED:
> SemanticException Line 0:-1 Invalid column reference '`(a1)?+.+`'
> org.apache.hadoop.hive.ql.parse.SemanticException: Line 0:-1 Invalid column
> reference '`(a1)?+.+`'
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genAllExprNodeDesc(SemanticAnalyzer.java:11734)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genExprNodeDesc(SemanticAnalyzer.java:11674)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genExprNodeDesc(SemanticAnalyzer.java:11642)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genExprNodeDesc(SemanticAnalyzer.java:11620)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genGroupByPlanMapGroupByOperator(SemanticAnalyzer.java:5225)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genGroupByPlanMapAggrNoSkew(SemanticAnalyzer.java:6330)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genBodyPlan(SemanticAnalyzer.java:9659)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:10579)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:10457)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genOPTree(SemanticAnalyzer.java:11202)
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.genOPTree(CalcitePlanner.java:481)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:11215)
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:286)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:258)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:512)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1317)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1457)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1237)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1227)
> at
> org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:239)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:187)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:409)
> at
> org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:836)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:774)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:697)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:692)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:136){code}
> FYI: [~sershe]
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