feat: Add ODBC test configuration and workflow

This commit introduces a new ODBC test configuration in Cargo.toml and adds a corresponding GitHub Actions workflow for running ODBC tests with SQLite. The workflow includes steps for installing necessary dependencies and executing tests.

Author: lovasoa

.github/workflows/sqlx.yml

@@ -343,3 +343,36 @@ jobs:
           cargo test --no-default-features --features any,mssql,macros,migrate,all-types,runtime-${{ matrix.runtime }}-${{ matrix.tls }}
         env:
           DATABASE_URL: mssql://sa:Password123!@localhost/sqlx
+
+  odbc:
+    name: ODBC (SQLite ODBC)
+    runs-on: ubuntu-22.04
+    needs: check
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+        with:
+          prefix-key: v1-sqlx
+          shared-key: odbc
+          save-if: ${{ github.ref == 'refs/heads/main' }}
+      - name: Install unixODBC and SQLite ODBC
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y unixodbc odbcinst odbcinst1debian2 odbc-sqlite3 sqlite3
+          # Configure a system DSN named SQLX_ODBC using SQLite3 driver
+          echo '[SQLite3]\nDescription=SQLite ODBC Driver\nDriver=libsqlite3odbc.so\nSetup=libsqlite3odbc.so\nThreading=2\n' | sudo tee -a /etc/odbcinst.ini
+          echo '[SQLX_ODBC]\nDescription=SQLx SQLite DSN\nDriver=SQLite3\nDatabase=${{ github.workspace }}/tests/sqlite/sqlite.db\n' | sudo tee -a /etc/odbc.ini
+          # Sanity check DSN
+          echo 'select 1;' | isql -v SQLX_ODBC || true
+      - name: Run clippy for odbc
+        run: |
+          cargo clippy \
+            --no-default-features \
+            --features odbc,all-types,runtime-tokio-rustls,macros,migrate \
+            -- -D warnings
+      - name: Run ODBC tests (SQLite DSN)
+        run: |
+          cargo test --no-default-features --features any,odbc,macros,all-types,runtime-tokio-rustls -- --test odbc
+        env:
+          DATABASE_URL: DSN=SQLX_ODBC

Cargo.toml

@@ -327,6 +327,15 @@ name = "mssql"
 path = "tests/mssql/mssql.rs"
 required-features = ["mssql"]
 
+#
+# ODBC
+#
+
+[[test]]
+name = "odbc"
+path = "tests/odbc/odbc.rs"
+required-features = ["odbc"]
+
 [[test]]
 name = "mssql-types"
 path = "tests/mssql/types.rs"

tests/odbc/odbc.rs

@@ -0,0 +1,21 @@
+use sqlx_oldapi::odbc::Odbc;
+use sqlx_oldapi::Connection;
+use sqlx_test::new;
+
+#[sqlx_macros::test]
+async fn it_connects_and_pings() -> anyhow::Result<()> {
+    let mut conn = new::<Odbc>().await?;
+    conn.ping().await?;
+    conn.close().await?;
+    Ok(())
+}
+
+#[sqlx_macros::test]
+async fn it_can_work_with_transactions() -> anyhow::Result<()> {
+    let mut conn = new::<Odbc>().await?;
+    let tx = conn.begin().await?;
+    tx.rollback().await?;
+    Ok(())
+}
+
+