from_collapse_limit

A newer version of this documentation is available. Click here to view the most up-to-date release of the Greenplum 4.x documentation.

from_collapse_limit

The planner will merge sub-queries into upper queries if the resulting FROM list would have no more than this many items. Smaller values reduce planning time but may yield inferior query plans.

Value Range Default Set Classifications
1-n 20 master

session

reload