Initial ODBC reader & integration with Positron connections pane and data viewer (#282)

* WIP: ODBC

* WIP: ODBC

* WIP: ODBC

* WIP: ODBC

* WIP: ODBC

* ODBC: Quoting is fun

* WIP: Quoting is more fun

* WIP: Quoting

* sqlite in executor.rs

* Use general SqlDialect in ODBC reader

* Data explorer integration

* Reply to JSON-RPC even if null

* More quoting fun

* Fix casting in median calculation

* Support sparklines in data explorer

* Snowflake issues

* More fun with quoting

* cargo fmt

* Keep clippy happy

* Install ODBC in GHA workflows

* Tweaks to comments

* Further quoting fun

* Further tweaks to quoting

* Loosen reader validation

* Remove temporary doc file

* Use typed arrays to build Polars series in ODBC reader

* cargo fmt

* Keep clippy happy

* Add suggestions from LLM code review

* cargo fmt

* Add duckdb feature dependency in ggsql-jupyter

Author: georgestagg

.github/workflows/R-CMD-check.yaml

@@ -28,6 +28,9 @@ jobs:
       - name: Install tree-sitter-cli
         run: npm install -g tree-sitter-cli
 
+      - name: Install ODBC
+        run: sudo apt-get install -y unixodbc-dev
+
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
 

.github/workflows/build.yaml

@@ -32,6 +32,9 @@ jobs:
       - name: Install LLVM
         run: sudo apt-get install -y llvm
 
+      - name: Install ODBC
+        run: sudo apt-get install -y unixodbc-dev
+
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
 

.github/workflows/publish.yaml

@@ -33,6 +33,9 @@ jobs:
       - name: Install LLVM
         run: sudo apt-get install -y llvm
 
+      - name: Install ODBC
+        run: sudo apt-get install -y unixodbc-dev
+
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable