Fix libchdb to v2.0.4 for now

.github/workflows/dotnet.yml

@@ -72,7 +72,7 @@ jobs:
         dotnet build --no-restore --configuration Release
 
     - name: Test
-      run: dotnet test -c Release --no-build --logger trx --results-directory "TestResults-${{ matrix.rid }}"
+      run: dotnet test -c Release /p:TestTfmsInParallel=false --logger "console;verbosity=detailed" --no-build --logger trx --results-directory "TestResults-${{ matrix.rid }}"
 
     # - name: Upload dotnet test results
     #   uses: actions/upload-artifact@v4

README.md

@@ -7,6 +7,12 @@ A .NET Core binding for [chdb](https://doc.chdb.io) library.
 ![NuGet Version](https://img.shields.io/nuget/vpre/chdb)
 ![NuGet Downloads](https://img.shields.io/nuget/dt/chdb)
 
+### Architecture
+
+<div align="center">
+  <img src="https://github.com/chdb-io/chdb-dotnet/raw/main/chdb-dotnet.png" width="450">
+</div>
+
 ### Usage
 
 Running on platforms: linux, osx, windows, and architectures: x64, arm64.
@@ -102,7 +108,7 @@ chdb "select * from system.formats where is_output = 1" PrettyCompact
 # Build
 
 ```bash
-./update_libchdb.sh [v1.2.1]
+./update_libchdb.sh [v2.0.4]
 cp libchdb.so src/chdb/
 dotnet build -c Release
 dotnet test -c Release
@@ -115,3 +121,4 @@ chdb --version
 ## Authors
 
 * [Andreas Vilinski](https://github.com/vilinski)
+* [Auxten](https://github.com/auxten)

src/chdb/Session.cs

@@ -21,7 +21,7 @@ public record Session : IDisposable
 
     public void Dispose()
     {
-        if (!IsTemp && DataPath?.EndsWith("chdb_") == true && Directory.Exists(DataPath))
+        if (IsTemp && DataPath?.EndsWith("chdb_") == true && Directory.Exists(DataPath))
             Directory.Delete(DataPath, true);
     }