[PHOENIX-6524] Hive Connector returns emtpy AND expression when all children are pushed down

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: connectors-6.0.0
• Fix Version/s: connectors-6.0.0
• Component/s: connectors, hive-connector
• Assignee: Istvan Toth
• Reporter: Istvan Toth
• Created: 04/Aug/21 08:41
• Updated: 05/Aug/21 17:16
• Resolved: 05/Aug/21 15:48

Description

When each child of an AND expression is pushed down to Phoenix, then we return a child-less AND expression to Hive, which throws

Error: java.io.IOException: org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException: The operator 'AND' accepts at least 2 argument. (state=,code=0)

Issue Links

• is caused by: PHOENIX-6098 IndexPredicateAnalyzer wrongly handles pushdown predicates and residual predicates
• links to: GitHub Pull Request #60