| 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
- Path to unreverting "Allow planner to use Merge Append to efficiently implement UNION"
- debug_palloc_context_threshold - dump code paths leading to memory leaks
- Re: Wrong result when enable_partitionwise_join is on if collation of PartitionKey and Column is different.
- Redundant Result node
- Re: POC: GROUP BY optimization