Run all datafusion-examples in CI tests

.github/workflows/rust.yml

@@ -104,13 +104,25 @@ jobs:
         run: |
           export PATH=$PATH:$HOME/d/protoc/bin
           cargo test --features avro,jit,scheduler,json
+      - name: Run examples
+        run: |
+          export PATH=$PATH:$HOME/d/protoc/bin
           # test datafusion-sql examples
           cargo run --example sql
-          # test datafusion examples
-          cd datafusion-examples
+          # test datafusion-examples
+          cargo run --example avro_sql --features=datafusion/avro
           cargo run --example csv_sql
+          cargo run --example custom_datasource
+          cargo run --example dataframe
+          cargo run --example dataframe_in_memory
+          cargo run --example deserialize_to_struct
+          cargo run --example expr_api
           cargo run --example parquet_sql
-          cargo run --example avro_sql --features=datafusion/avro
+          cargo run --example parquet_sql_multiple_files
+          cargo run --example memtable
+          cargo run --example simple_udf
+          cargo run --example simple_udaf
+
 
   integration-test:
     name: "Compare to postgres"

datafusion-examples/examples/parquet_sql_multiple_files.rs

@@ -56,9 +56,9 @@ async fn main() -> Result<()> {
     // execute the query
     let df = ctx
         .sql(
-            "SELECT int_col, double_col, CAST(date_string_col as VARCHAR) \
-        FROM alltypes_plain \
-        WHERE id > 1 AND tinyint_col < double_col",
+            "SELECT * \
+        FROM my_table \
+        LIMIT 1",
         )
         .await?;