Fix SessionPool client leak on reconnection and query failures, and preserve server error messages (#44)

* Fix SessionPool client leak on reconnection and query failures, and preserve server error messages

- Add SessionPoolDepletedException with diagnostic properties for pool depletion scenarios
- Add ReconnectionFailedException for type-safe reconnection failure detection
- Fix client leak when reconnection succeeds but retry operation fails
- Add PoolHealthMetrics for thread-safe health monitoring
- Add try-finally protection for Monitor locks in ConcurrentClientQueue
- Remove silent failure pattern - always log connection failures
- Add CurrentBatchRowCount() method with Obsolete attribute on RowCount()
- Improve database switch error handling with partial failure detection

* Update src/Apache.IoTDB/SessionPool.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* use try-finally  for Return Client

* Feature/dotnet format ci (#46)

* switch to dotnet format

* format

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: CritasWang

.editorconfig

@@ -37,6 +37,10 @@ indent_size = 2
 [*{_AssemblyInfo.cs,.notsupported.cs,*/obj/*/External/**/*,*/obj/dotnet-new.IntegrationTests/*/TemplatePackagesPaths.cs}]
 generated_code = true
 
+# Thrift generated code
+[src/Apache.IoTDB/Rpc/Generated/**]
+generated_code = true
+
 # C# files
 [*.cs]
 # New line preferences

.github/workflows/pre-commit-format.yml

@@ -7,15 +7,13 @@ on:
       - "**"
   merge_group:
     branches: [main]
-  # schedule:
-  #   - cron: "0 0 * * *"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
-  formatting-checks:
+  dotnet-format:
     runs-on: ubuntu-22.04
     env:
       DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
@@ -29,27 +27,9 @@ jobs:
         with:
           dotnet-version: "9.0.x"
 
-      - name: Setup Python environment (for pre-commit)
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.10"
-
-      - name: Clean dotnet temporary folder
-        run: |
-          sudo rm -rf /tmp/.dotnet
-          mkdir -p ${{ runner.temp }}/dotnet-home
-          mkdir -p ${{ runner.temp }}/xdg-runtime
-
-      - name: Install pre-commit and dependencies
-        run: |
-          pip install pre-commit
-          pre-commit install-hooks
+      - name: Restore dependencies
+        run: dotnet restore
 
-      - name: Run pre-commit checks
-        env:
-          TMPDIR: ${{ runner.temp }}
-          DOTNET_CLI_HOME: ${{ runner.temp }}/dotnet-home
-          XDG_RUNTIME_DIR: ${{ runner.temp }}/xdg-runtime
-          NUGET_PACKAGES: ${{ runner. temp }}/nuget-packages
+      - name: Check formatting
         run: |
-          pre-commit run --all-files
+          dotnet format --verify-no-changes --verbosity diagnostic

README.md

@@ -82,5 +82,23 @@ NLog >= 4.7.9
 * dotnet CLI
 * Thrift
 
+## Code Formatting
+
+This project uses `dotnet format` to enforce consistent code style based on the [.editorconfig](.editorconfig) rules.
+
+### Check formatting locally
+
+```bash
+dotnet format --verify-no-changes
+```
+
+### Auto-fix formatting issues
+
+```bash
+dotnet format
+```
+
+The CI pipeline will automatically check code formatting on all pull requests. Please ensure your code is properly formatted before submitting a PR.
+
 ## Publish your own client on nuget.org
 You can find out how to publish from this [doc](./PUBLISH.md).

README_ZH.md

@@ -81,5 +81,23 @@ NLog >= 4.7.9
 * dotnet CLI
 * Thrift
 
+## 代码格式化
+
+本项目使用 `dotnet format` 基于 [.editorconfig](.editorconfig) 规则来强制执行一致的代码风格。
+
+### 本地检查格式
+
+```bash
+dotnet format --verify-no-changes
+```
+
+### 自动修复格式问题
+
+```bash
+dotnet format
+```
+
+CI 流水线会在所有 Pull Request 上自动检查代码格式。请确保在提交 PR 之前代码格式正确。
+
 ## 在 nuget.org 上发布你自己的客户端
 你可以在这个[文档](./PUBLISH.md)中找到如何发布