Merge pull request #9501 from metabase/ci-bump-mongo-to-3.4

Bump Mongo to 3.4

.circleci/config.yml

@@ -233,14 +233,14 @@ jobs:
     working_directory: /home/circleci/metabase/metabase/
     docker:
       - image: circleci/clojure:lein-2.8.1-node-browsers
-      - image: circleci/mongo:3.2
+      - image: circleci/mongo:3.4
     steps:
       - attach_workspace:
           at: /home/circleci/
       - restore_cache:
           <<: *restore-be-deps-cache
       - run:
-          name: Run backend unit tests (MongoDB 3.2)
+          name: Run backend unit tests (MongoDB 3.4)
           environment:
             DRIVERS: h2,mongo
           command: >

docs/administration-guide/01-managing-databases.md

@@ -13,7 +13,7 @@ Now you’ll see a list of your databases. To connect another database to Metaba
 * Amazon Redshift
 * [Google BigQuery](databases/bigquery.md)
 * H2
-* MongoDB (version 3.0 or higher)
+* MongoDB (version 3.4 or higher)
 * MySQL (version 4.1 or higher, as well as MariaDB)
 * Postgres
 * SQLite

docs/faq.md

@@ -99,7 +99,7 @@ Metabase currently supports:
 * BigQuery
 * Druid
 * H2
-* MongoDB (version 3.0 or higher)
+* MongoDB (version 3.4 or higher)
 * MySQL (and MariaDB)
 * PostgreSQL
 * Presto