[HIVE-18162] Investigate bucketed table stats

• Type: Sub-task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Statistics
• Assignee: Unassigned
• Reporter: Zoltan Haindrich
• Created: 28/Nov/17 12:13
• Updated: 28/Nov/17 12:13

Description

something is very off in: ql/src/test/results/clientpositive/auto_sortmerge_join_12.q.out

• 170 bytes of data; 1 rows
• tablescan(d) reacts to deser factor changes
• tablescan(b) seem to ignore deser factor changes ; however they scan the same table..
• these all might be the consequence of the fact that table with alias d 's on condition is probably typoed ; and causes:

 Warning: Map Join MAPJOIN[31][bigTable=?] in task 'Stage-3:MAPRED' is a cross product