diff options
Diffstat (limited to 'src/mongo/db/query/query_knobs.idl')
| -rw-r--r-- | src/mongo/db/query/query_knobs.idl | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mongo/db/query/query_knobs.idl b/src/mongo/db/query/query_knobs.idl index 422ffea63ff..027d52e5910 100644 --- a/src/mongo/db/query/query_knobs.idl +++ b/src/mongo/db/query/query_knobs.idl @@ -783,6 +783,13 @@ server_parameters: cpp_vartype: AtomicWord<bool> default: false + internalCascadesOptimizerFastIndexNullHandling: + description: "Controls if we prefer to cover queries which may return nulls with indexes." + set_at: [ startup, runtime ] + cpp_varname: "internalCascadesOptimizerFastIndexNullHandling" + cpp_vartype: AtomicWord<bool> + default: false + internalQueryFrameworkControl: description: "Knob to control the optimizer/execution engine to use." set_at: [ startup, runtime ] |