yjshen commented on code in PR #2481:
URL: https://github.com/apache/arrow-datafusion/pull/2481#discussion_r867868296
##########
datafusion/physical-expr/src/expressions/binary.rs:
##########
@@ -657,17 +657,15 @@ macro_rules! compute_utf8_op_scalar {
/// Invoke a compute kernel on a data array and a scalar value
macro_rules! compute_utf8_op_dyn_scalar {
- ($LEFT:expr, $RIGHT:expr, $OP:ident) => {{
+ ($LEFT:expr, $RIGHT:expr, $OP:ident, $OP_TYPE:expr) => {{
if let Some(string_value) = $RIGHT {
Ok(Arc::new(paste::expr! {[<$OP _dyn_utf8_scalar>]}(
$LEFT,
&string_value,
)?))
} else {
- Err(DataFusionError::Internal(format!(
- "compute_utf8_op_scalar for '{}' failed with literal 'none'
value",
- stringify!($OP),
- )))
+ // when the $RIGHT is a NULL, generate a NULL array of $OP_TYPE
+ Ok(Arc::new(new_null_array($OP_TYPE, $LEFT.len())))
Review Comment:
1. I think we should respect `SortOptions` here as well for ScalaValue.
2. Question: how about the `NULL != column` case, do we have an expression
normalizer that asserts Nulls often coming as the right-hand op for a binary
comparison?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
