chore(docs): added MapR on docs (#23)

.github/workflows/tests.yml

@@ -0,0 +1,52 @@
+name: Tests
+
+concurrency:
+  group: "tests-${{ github.ref }}"
+  cancel-in-progress: true
+
+on:
+  push: 
+    branches:
+      - main
+      - dev
+    tags:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone
+        uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.21
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: v1.54
+  unit-tests:
+    name: Unit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone
+        uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.21
+      - name: Unit Tests
+        run: |
+          make unit-tests
+          
+      - name: Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          files: ./coverage.txt
+          flags: Unit-Tests
+          verbose: true
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

CHANGELOG.md

@@ -5,8 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.2.2]
-### Added
+## [1.3.0]
+### Added 
+- added `Query[T]` feature and `MapR[T]` Queryer for cross-databases query (#21)
+
+## [1.2.2] - 2024-03-05
+### Added 
 - added detail logs on migration (#17)
 - added rotated table migration support (#17)
 - added `Rotate` method for rotate service (#18)

README.md

@@ -25,6 +25,7 @@ You’ll find the SQLE package useful if you’re not a fan of full-featured ORM
 - [ShardID](shardid/README.md) is a `snowflakes-like` distributed unique identifier with extended metadata : worker, table rotation and database sharding, and sortable by time
 - Table AutoRotation 
 - Database AutoSharding
+- MapR Query
 - [Migration](migrate/migrator_test.go): migrate database with sql files organized in filesystem. it supports to migrate table and multiple rotated tables on all sharding database instances.
 
 ## Tutorials
@@ -465,6 +466,9 @@ db.On(id). //automatically select database based on `id.DatabaseID`
 
 see more [examples](db_test.go#L49)
 
+## MapR Query
+SQLE uses `MapR[T]` queryer to connect and retrieve data from rotated tables and sharding databases. see more [examples](./queryer_mapr_test.go)
+
 ## Migration
 SQLE discovers migrations from local file system or go embed file system. There are two objects here.
 - version directory