feat: MSSQL connector

.env.example

@@ -9,3 +9,10 @@ PLANETSCALE_PASSWORD=password
 # Cloudflare Hyperdrive
 WRANGLER_HYPERDRIVE_LOCAL_CONNECTION_STRING_POSTGRESQL=postgresql://test:test@localhost:5432/db0
 WRANGLER_HYPERDRIVE_LOCAL_CONNECTION_STRING_MYSQL=mysql://test:test@localhost:3306/db0
+
+# MSSQL
+MSSQL_HOST=localhost
+MSSQL_DB_NAME=TestDB
+MSSQL_PORT=1433
+MSSQL_USERNAME=sa
+MSSQL_PASSWORD=MyStrong!Passw0rd

.github/workflows/ci.yml

@@ -15,3 +15,7 @@ jobs:
       - run: pnpm build
       - run: pnpm test:types
       - run: pnpm vitest
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

docker-compose.yaml

@@ -16,3 +16,11 @@ services:
       MYSQL_DATABASE: db0
       MYSQL_USER: test
       MYSQL_PASSWORD: test
+  mssql:
+    # https://hub.docker.com/_/microsoft-mssql-server
+    image: mcr.microsoft.com/mssql/server:2022-latest
+    network_mode: "host"
+    environment:
+      ACCEPT_EULA: "Y"
+      MSSQL_SA_PASSWORD: "MyStrong!Passw0rd"
+      MSSQL_PID: "Developer"

docs/2.connectors/1.index.md

@@ -15,6 +15,7 @@ Currently supported connectors:
 - [PostgreSQL](/connectors/postgresql)
 - [MySQL](/connectors/mysql)
 - [SQLite](/connectors/sqlite)
+- [MSSQL](/connectors/mssql)
 
 ::read-more{to="https://github.com/unjs/db0/issues/32"}
 See [unjs/db0#32](https://github.com/unjs/db0/issues/32) for the list of upcoming connectors.

docs/2.connectors/mssql.md

@@ -0,0 +1,30 @@
+---
+icon: devicon-plain:microsoftsqlserver
+---
+
+# MSSQL
+
+> Connect DB0 to MSSQL Database using `tedious`
+
+## Usage
+
+For this connector, you need to install [`tedious`](https://www.npmjs.com/package/tedious) dependency:
+
+:pm-install{name="tedious"}
+
+Use `mssql` connector:
+
+```js
+import { createDatabase } from "db0";
+import mssql from "db0/connectors/mssql";
+
+const db = createDatabase(
+  mssql({
+    /* options */
+  }),
+);
+```
+
+## Options
+
+:read-more{to="https://tediousjs.github.io/tedious/api-connection.html#function_newConnection"}

package.json

@@ -66,6 +66,7 @@
     "pg": "^8.17.2",
     "prettier": "^3.8.1",
     "scule": "^1.3.0",
+    "tedious": "^19.1.3",
     "typescript": "^5.9.3",
     "vitest": "^4.0.17",
     "wrangler": "^4.60.0"
@@ -76,7 +77,8 @@
     "better-sqlite3": "*",
     "drizzle-orm": "*",
     "mysql2": "*",
-    "sqlite3": "*"
+    "sqlite3": "*",
+    "tedious": "*"
   },
   "peerDependenciesMeta": {
     "@libsql/client": {
@@ -91,6 +93,9 @@
     "mysql2": {
       "optional": true
     },
+    "tedious": {
+      "optional": true
+    },
     "@electric-sql/pglite": {
       "optional": true
     },