[jira] [Assigned] (HIVE-18725) Improve error handling for subqueries if there is wrong column reference
[ https://issues.apache.org/jira/browse/HIVE-18725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Igor Kryvenko reassigned HIVE-18725: Assignee: Igor Kryvenko (was: Igor Kryvenko) > Improve error handling for subqueries if there is wrong column reference > > > Key: HIVE-18725 > URL: https://issues.apache.org/jira/browse/HIVE-18725 > Project: Hive > Issue Type: Improvement > Components: Query Planning >Reporter: Vineet Garg >Assignee: Igor Kryvenko >Priority: Major > Attachments: HIVE-18725.01.patch, HIVE-18725.02.patch, > HIVE-18725.03.patch, HIVE-18725.04.patch, HIVE-18725.05.patch > > > If there is a column reference within subquery which doesn't exist Hive > throws misleading error message. > e.g. > {code:sql} > select * from table1 where table1.col1 IN (select col2 from table2 where > table2.col1=table1.non_existing_column) and table1.col1 IN (select 4); > {code} > The above query, assuming table1 doesn't have non_existing_column, will throw > following misleading error: > {noformat} > FAILED: SemanticException Line 0:-1 Unsupported SubQuery Expression 'col1': > Only 1 SubQuery expression is supported. > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Assigned] (HIVE-18725) Improve error handling for subqueries if there is wrong column reference
[ https://issues.apache.org/jira/browse/HIVE-18725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Kryvenko Igor reassigned HIVE-18725: Assignee: Kryvenko Igor > Improve error handling for subqueries if there is wrong column reference > > > Key: HIVE-18725 > URL: https://issues.apache.org/jira/browse/HIVE-18725 > Project: Hive > Issue Type: Improvement > Components: Query Planning >Reporter: Vineet Garg >Assignee: Kryvenko Igor >Priority: Major > > If there is a column reference within subquery which doesn't exist Hive > throws misleading error message. > e.g. > {code:sql} > select * from table1 where table1.col1 IN (select col2 from table2 where > table2.col1=table1.non_existing_column) and table1.col1 IN (select 4); > {code} > The above query, assuming table1 doesn't have non_existing_column, will throw > following misleading error: > {noformat} > FAILED: SemanticException Line 0:-1 Unsupported SubQuery Expression 'col1': > Only 1 SubQuery expression is supported. > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)