New in version 2.6.
Removes cached query plans for a collection. Specify a query shape to remove cached query plans for that shape. Omit the query shape to clear all cached query plans.
The command has the following syntax:
planCacheClearcommand has the following field:
Field Type Description
document Optional. The query predicate of the query shape. Only the structure of the predicate, including the field names, are significant to the shape; the values in the query predicate are insignificant.
document Optional. The projection associated with the query shape.
document Optional. The sort associated with the query shape.
To see the query shapes for which cached query plans exist, use the
If a collection
orders has the following query shape:
The following operation clears the query plan cached for the shape: