Support Utf8View for string function bit_length()

Signed-off-by: Austin Liu <[email protected]>

Author: austin362667

datafusion/functions/src/string/bit_length.rs

@@ -79,6 +79,9 @@ impl ScalarUDFImpl for BitLengthFunc {
                 ScalarValue::LargeUtf8(v) => Ok(ColumnarValue::Scalar(
                     ScalarValue::Int64(v.as_ref().map(|x| (x.len() * 8) as i64)),
                 )),
+                ScalarValue::Utf8View(v) => Ok(ColumnarValue::Scalar(
+                    ScalarValue::Int32(v.as_ref().map(|x| (x.len() * 8) as i32)),
+                )),
                 _ => unreachable!(),
             },
         }