charlesdong1991 commented on code in PR #2142:
URL: https://github.com/apache/iceberg-rust/pull/2142#discussion_r2835059196
##########
crates/integrations/datafusion/src/physical_plan/expr_to_predicate.rs:
##########
@@ -681,4 +707,35 @@ mod tests {
Reference::new("bar").starts_with(Datum::string("测试"))
);
}
+
+ #[test]
+ fn test_predicate_conversion_with_isnan() {
+ let predicate = convert_to_iceberg_predicate("isnan(qux)").unwrap();
+ assert_eq!(predicate, Reference::new("qux").is_nan());
+ }
+
+ #[test]
+ fn test_predicate_conversion_with_not_isnan() {
+ let predicate = convert_to_iceberg_predicate("NOT
isnan(qux)").unwrap();
+ assert_eq!(predicate, !Reference::new("qux").is_nan());
+ }
+
+ #[test]
+ fn test_predicate_conversion_with_isnan_and_other_condition() {
+ let sql = "isnan(qux) AND foo > 1";
+ let predicate = convert_to_iceberg_predicate(sql).unwrap();
+ let expected_predicate = Predicate::and(
+ Reference::new("qux").is_nan(),
+ Reference::new("foo").greater_than(Datum::long(1)),
+ );
+ assert_eq!(predicate, expected_predicate);
+ }
+
+ #[test]
+ fn test_predicate_conversion_with_isnan_unsupported_arg() {
Review Comment:
Thanks for review! @CTTY
Added a TODO comment in function definition and create an issue:
https://github.com/apache/iceberg-rust/issues/2154
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