ctsk commented on code in PR #15462:
URL: https://github.com/apache/datafusion/pull/15462#discussion_r2022894121
##########
datafusion/physical-expr/src/expressions/binary.rs:
##########
@@ -805,6 +811,47 @@ impl BinaryExpr {
}
}
+/// Check if it meets the short-circuit condition
+/// 1. For the `AND` operator, if the `lhs` result all are `false`
+/// 2. For the `OR` operator, if the `lhs` result all are `true`
+/// 3. Otherwise, it does not meet the short-circuit condition
+fn check_short_circuit(arg: &ColumnarValue, op: &Operator) -> bool {
+ let data_type = arg.data_type();
+ match (data_type, op) {
+ (DataType::Boolean, Operator::And) => {
+ match arg {
+ ColumnarValue::Array(array) => {
+ if let Ok(array) = as_boolean_array(&array) {
+ return array.false_count() == array.len();
Review Comment:
Might be overkill, but one *could* try a sampling approach: Run the loop
with the early exit for the first few chunks, and then switch over to the
unconditional loop.
Almost seems like something the compiler could automagically do...
--
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: github-unsubscr...@datafusion.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org
For additional commands, e-mail: github-h...@datafusion.apache.org
