westonpace commented on a change in pull request #9323:
URL: https://github.com/apache/arrow/pull/9323#discussion_r580663647
##########
File path: cpp/src/arrow/dataset/expression.h
##########
@@ -159,10 +162,27 @@ Expression call(std::string function,
std::vector<Expression> arguments,
ARROW_DS_EXPORT
std::vector<FieldRef> FieldsInExpression(const Expression&);
+/// Represents either a concrete value or a hint that a field is valid/invalid
+struct KnownFieldValue {
Review comment:
Merged in.
----------------------------------------------------------------
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.
For queries about this service, please contact Infrastructure at:
[email protected]
