Server Configuration
Use genetic query optimization to plan queries with at least
- this many FROM> items involved. (Note that an outer
- JOIN> construct counts as only one FROM>
+ this many FROM> items involved. (Note that a
+ FULL OUTER JOIN> construct counts as only one FROM>
item.) The default is 12. For simpler queries it is usually best
to use the deterministic, exhaustive planner, but for queries with
many tables the deterministic planner takes too long.