duongcongtoai commented on code in PR #10429:
URL: https://github.com/apache/datafusion/pull/10429#discussion_r1606095994
##########
datafusion/expr/src/expr_schema.rs:
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@@ -123,7 +123,8 @@ impl ExprSchemable for Expr {
Ok(field.data_type().clone())
}
DataType::Struct(_) => {
- not_impl_err!("unnest() does not support struct yet")
+ // TODO: this is not correct, because unnest(struct)
wll result into multiple data_type
Review Comment:
I'm still finding a way to solve this TODO
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