Fokko commented on code in PR #945:
URL: https://github.com/apache/iceberg-rust/pull/945#discussion_r1952813772
##########
crates/integrations/datafusion/src/physical_plan/expr_to_predicate.rs:
##########
@@ -119,7 +122,53 @@ fn to_iceberg_predicate(expr: &Expr) -> TransformedResult {
_ => TransformedResult::NotTransformed,
}
}
- Expr::Cast(c) => to_iceberg_predicate(&c.expr),
+ Expr::Cast(c) => {
+ if DataType::Date32 == c.data_type || DataType::Date64 ==
c.data_type {
+ match c.expr.as_ref() {
+ Expr::Literal(ScalarValue::Utf8(Some(literal))) => {
+ let date = literal.split('T').next();
Review Comment:
I would be reluctant to do any string manipulation here.
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