Revert "fix(cubesql): convert properly DataType::Timestamp into ColumnType::Timestamp"

This reverts commit b702a11.

Author: max-kammerer

rust/cubesql/cubesql/src/sql/dataframe.rs

@@ -404,7 +404,8 @@ pub fn arrow_to_column_type(arrow_type: DataType) -> Result<ColumnType, CubeErro
         DataType::Utf8 | DataType::LargeUtf8 => Ok(ColumnType::String),
         DataType::Date32 => Ok(ColumnType::Date(false)),
         DataType::Date64 => Ok(ColumnType::Date(true)),
-        DataType::Timestamp(_, _) => Ok(ColumnType::Timestamp),
+        // build test
+        DataType::Timestamp(_, _) => Ok(ColumnType::String),
         DataType::Interval(unit) => Ok(ColumnType::Interval(unit)),
         DataType::Float16 | DataType::Float32 | DataType::Float64 => Ok(ColumnType::Double),
         DataType::Boolean => Ok(ColumnType::Boolean),
@@ -794,41 +795,4 @@ mod tests {
             serde_json::to_string(&frame.data).unwrap()
         );
     }
-
-    #[test]
-    fn test_arrow_to_column_type() {
-        let cases = vec![
-            (DataType::Binary, ColumnType::Blob),
-            (DataType::Utf8, ColumnType::String),
-            (DataType::LargeUtf8, ColumnType::String),
-            (DataType::Date32, ColumnType::Date(false)),
-            (DataType::Date64, ColumnType::Date(true)),
-            (
-                DataType::Timestamp(TimeUnit::Second, None),
-                ColumnType::Timestamp,
-            ),
-            (
-                DataType::Interval(IntervalUnit::YearMonth),
-                ColumnType::Interval(IntervalUnit::YearMonth),
-            ),
-            (DataType::Float16, ColumnType::Double),
-            (DataType::Float32, ColumnType::Double),
-            (DataType::Float64, ColumnType::Double),
-            (DataType::Boolean, ColumnType::Boolean),
-            (DataType::Int32, ColumnType::Int32),
-            (DataType::UInt32, ColumnType::Int32),
-            (DataType::Int8, ColumnType::Int64),
-            (DataType::Int16, ColumnType::Int64),
-            (DataType::Int64, ColumnType::Int64),
-            (DataType::UInt8, ColumnType::Int64),
-            (DataType::UInt16, ColumnType::Int64),
-            (DataType::UInt64, ColumnType::Int64),
-            (DataType::Null, ColumnType::String),
-        ];
-
-        for (arrow_type, expected_column_type) in cases {
-            let result = arrow_to_column_type(arrow_type.clone()).unwrap();
-            assert_eq!(result, expected_column_type, "Failed for {:?}", arrow_type);
-        }
-    }
 }