alamb commented on code in PR #2481:
URL: https://github.com/apache/arrow-datafusion/pull/2481#discussion_r870182921
##########
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:
Follow on PR: https://github.com/apache/arrow-datafusion/pull/2510# turns
out there was a bug!
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