[HIVE-39] Hive: we should be able to specify a column without a table/alias name

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.3.0
• Component/s: Query Processor
• Assignee: Ashish Thusoo
• Reporter: Zheng Shao
• Created: 31/Oct/08 23:25
• Updated: 17/Dec/11 00:08
• Resolved: 10/Mar/09 22:39

Description

"SELECT field1, field2 from table1" should work, just as "SELECT table1.field1, table1.field2 from table1"

For join, the situation will be a bit more complicated. If the 2 join operands have columns of the same name, then we should output an "ambiguity" error.