Type: | bool |
Default: | on |
Context: | user |
Restart: | false |
Enables or disables the query planner's use of hashed aggregation plan types. The default is on
.
Recommendations
For interactive session use only when troubleshooting queries.
On StackOverflow
On pgsql-hackers
- Re: Wrong results with right-semi-joins
- Path to unreverting "Allow planner to use Merge Append to efficiently implement UNION"
- Re: Converting SetOp to read its two inputs separately
- debug_palloc_context_threshold - dump code paths leading to memory leaks
- Quadratic planning time for ordered paths over partitioned tables