[TAJO-563] INSERT OVERWRITE should not remove data before query success

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.8.0, 0.9.0
• Fix Version/s: 0.8.0, 0.9.0
• Component/s: QueryMaster, TajoMaster
• Assignee: Hyunsik Choi
• Reporter: Hyunsik Choi
• Created: 28/Jan/14 11:30
• Updated: 10/Apr/14 08:05
• Resolved: 10/Apr/14 07:59

Description

INSERT OVERWRITE removes a table data set regardless of query success. In addition, INSERT OVERWRITE removes a table data set upon launching a query. It is a very dangerous approach, and we have to fix it.