Dandandan commented on code in PR #15462:
URL: https://github.com/apache/datafusion/pull/15462#discussion_r2020558418
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datafusion/physical-expr/src/expressions/binary.rs:
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@@ -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:
I remember this had some overhead (for calculating the counts) from a
previous try.
I wonder if it helps to short optimize this expression (e.g. match until we
get a chunk of the bitmap `!= 0`)
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