Yongzhi Chen created HIVE-9528: ---------------------------------- Summary: SemanticException: Ambiguous column reference Key: HIVE-9528 URL: https://issues.apache.org/jira/browse/HIVE-9528 Project: Hive Issue Type: Bug Affects Versions: 0.14.0 Reporter: Yongzhi Chen
When running the following query: SELECT if( COUNT( * ) == 0, 'true', 'false' ) as RESULT FROM ( select * from sim a join sim2 b on a.simstr=b.simstr) app Error: Error while compiling statement: FAILED: SemanticException [Error 10007]: Ambiguous column reference simstr in app (state=42000,code=10007) This query works fine in hive 0.10 In the apache trunk, following workaround will work: SELECT if(COUNT( * ) == 0, 'true', 'false') as RESULT FROM (select a.* from sim a join sim2 b on a.simstr=b.simstr) app; -- This message was sent by Atlassian JIRA (v6.3.4#6332)