Spaarsh commented on code in PR #1059:
URL:
https://github.com/apache/datafusion-python/pull/1059#discussion_r1988468214
##########
src/expr.rs:
##########
@@ -100,22 +100,37 @@ pub mod window;
use sort_expr::{to_sort_expressions, PySortExpr};
+// Define the new RawExpr struct and implement Debug trait
+#[derive(Debug, Clone)]
+pub struct RawExpr {
+ pub expr: Expr,
+}
+
+// Implement conversion from RawExpr to Expr
+impl From<RawExpr> for Expr {
+ fn from(raw_expr: RawExpr) -> Expr {
+ raw_expr.expr
+ }
+}
+
/// A PyExpr that can be used on a DataFrame
#[pyclass(name = "Expr", module = "datafusion.expr", subclass)]
#[derive(Debug, Clone)]
pub struct PyExpr {
- pub expr: Expr,
+ pub raw_expr: RawExpr,
}
Review Comment:
Yep I am getting this error:
```
Traceback (most recent call last):
File "/home/user/datafusion-python/rename.py", line 3, in <module>
result = f.isnan(col("a"))
File "/home/user/datafusion-python/python/datafusion/functions.py", line
284, in isnan
return Expr(f.isnan(expr))
TypeError: argument 'num': 'Expr' object cannot be converted to 'RawExpr'
```
When I try to run:
```
from datafusion import col, functions as f
result = f.isnan(col("a"))
print(result)
```
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