Set up docs MCPThese settings are available in system.settings and are autogenerated from the ClickHouse snapshot.
use_statistics
/// preferred over ‘allow_statistics_optimize’ because of consistency with ‘use_primary_key’ and ‘use_skip_indexes’ Allows using statistics to optimize queries
use_statistics_cache
Use statistics cache in a query to avoid the overhead of loading statistics of every parts
use_statistics_for_part_pruning
Use statistics to filter out parts during query execution.
When enabled, pruning in SELECT queries will use column statistics (e.g. MinMax statistics) to eliminate parts that cannot contain matching data before reading any data.
Possible values:
- 0 — Disabled.
- 1 — Enabled.