[HIVE-2679] ctas should check the table do not exists just right before move the data to the table's directory

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.9.0
• Component/s: Metastore, Query Processor
• Assignee: Lijin Bin
• Reporter: Lijin Bin
• Created: 26/Dec/11 10:24
• Updated: 24/Apr/12 02:25

Description

Some one first runs a ctas sql and the MR job takes a long time, another one runs another ctas sql and the MR job takes a short time and finishs before the first one. when the two ctas sql's tablename are the same, the first one will move data to the table's directory success but the create table task will fail.