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Task #539
closedget analytical_stem_view to use merge joins instead of hash joins
Start date:
12/03/2012
Due date:
% Done:
0%
Estimated time:
Activity type:
Description
- This will speed up the joins, which used to take 0.5 hour but now take 2.5 hours
- It will also reduce the disk space used by hash joins
Updated by Aaron Marcuse-Kubitza about 10 years ago
- Status changed from New to Rejected
the query planner is likely right that hash joins are faster when joining entire tables rather than just the first few rows
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