add test append string as ts (#75)

Change-Id: I8b8db2685136f54e19ba4ab9557d197cd5e7a9ec

Author: wangfenjin

src/appender.rs

@@ -204,4 +204,19 @@ mod test {
         assert_eq!(val, (id,));
         Ok(())
     }
+
+    #[test]
+    fn test_append_string_as_ts_row() -> Result<()> {
+        let db = Connection::open_in_memory()?;
+        db.execute_batch("CREATE TABLE foo(x TIMESTAMP)")?;
+
+        {
+            let mut app = db.appender("foo")?;
+            app.append_row(["2022-04-09 15:56:37.544"])?;
+        }
+
+        let val = db.query_row("SELECT x FROM foo", [], |row| <(String,)>::try_from(row))?;
+        assert_eq!(val, ("2022-04-09 15:56:37.544".to_string(),));
+        Ok(())
+    }
 }