timsaucer commented on code in PR #16053:
URL: https://github.com/apache/datafusion/pull/16053#discussion_r2094500696
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datafusion/physical-expr/src/expressions/literal.rs:
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@@ -34,15 +36,37 @@ use datafusion_expr_common::interval_arithmetic::Interval;
use datafusion_expr_common::sort_properties::{ExprProperties, SortProperties};
/// Represents a literal value
-#[derive(Debug, PartialEq, Eq, Hash)]
+#[derive(Debug, PartialEq, Eq)]
pub struct Literal {
value: ScalarValue,
+ metadata: Option<HashMap<String, String>>,
Review Comment:
Oh, I hadn't thought about that. That's a very interesting way to solve one
of the problems I was coming up against. I will try a proof of concept of that
on a separate branch.
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