These settings are available in system.settings and are autogenerated from the ClickHouse snapshot.
optimize_move_to_prewhere
Enables or disables automatic PREWHERE optimization in SELECT queries.
Works only for *MergeTree tables.
Possible values:
- 0 — Automatic
PREWHEREoptimization is disabled. - 1 — Automatic
PREWHEREoptimization is enabled.
optimize_move_to_prewhere_if_final
Enables or disables automatic PREWHERE optimization in SELECT queries with FINAL modifier.
Works only for *MergeTree tables.
Possible values:
- 0 — Automatic
PREWHEREoptimization inSELECTqueries withFINALmodifier is disabled. - 1 — Automatic
PREWHEREoptimization inSELECTqueries withFINALmodifier is enabled.
See Also
- optimize_move_to_prewhere setting