MongoDB Foreign Data Wrapper 5.5.0 release notes v5
Released: 06 Jan 2023
Enhancements, bug fixes, and other changes in MongoDB Foreign Data Wrapper 5.5.0 include:
| Type | Description |
|---|---|
| Feature | When possible, we push the ORDER BY clause to the remote MongoDB server. This approach provides the ordered result set from the foreign server, which can help to have an efficient merge join. |
| Feature | When possible, perform LIMIT and OFFSET operations on the remote server. This reduces network traffic between local Postgres and remote MongoDB servers. |
| Enhancement | Improved the WHERE clause pushdown to remote MongoDB servers. Now supports recursive operator expressions, Boolean expressions, relabel types, and vars on both sides of an operator. |
| Bug Fix | For nested join queries, save the status of the enable_aggregate_pushdown option to access the aggregation path later. |
| Bug Fix | Fix server crash due to missing Param node handling. |
| Bug Fix | Fix typos in autogen.sh and README.md files. |