MongoDB Foreign Data Wrapper 5.4.0 release notes v5

Released: 26 May 2022

Enhancements, bug fixes, and other changes in MongoDB Foreign Data Wrapper 5.4.0 include:

TypeDescription
FeaturePush down aggregates to remote MongoDB servers: Push aggregates to the remote MongoDB server instead of fetching all of the rows and aggregating them locally. This gives a very good performance boost for the cases where aggregates can be pushed down.
EnhancementAdd a new server option use_remote_estimate to estimate the rows.
Bug FixForce type modifiers for NUMERIC type.
Bug FixFix data type incompatibility between NUMERIC types.
Bug FixFix server crash when updating the document with text array element.
Bug FixFix server crash while updating/deleting with null value for _id column.