jayzhan211 commented on code in PR #11564:
URL: https://github.com/apache/datafusion/pull/11564#discussion_r1685330429
##########
datafusion/physical-expr-common/src/utils.rs:
##########
@@ -134,6 +135,33 @@ pub fn limited_convert_logical_expr_to_physical_expr(
}
}
+pub fn limited_convert_logical_expr_to_physical_expr_with_dfschema(
+ expr: &Expr,
+ dfschema: &DFSchema,
+) -> Result<Arc<dyn PhysicalExpr>> {
+ match expr {
+ Expr::Alias(Alias { expr, .. }) => Ok(
+ limited_convert_logical_expr_to_physical_expr_with_dfschema(expr,
dfschema)?,
+ ),
+ Expr::Column(col) => {
+ let idx = dfschema.index_of_column(col)?;
Review Comment:
I found that I need dfschema in order to get the correct field, so I change
all the UDAF to `create_aggregate_expr_with_dfschema` which is used internally
for UDAF only.
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