jayzhan211 commented on code in PR #12046:
URL: https://github.com/apache/datafusion/pull/12046#discussion_r1720927207
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datafusion/sql/src/select.rs:
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@@ -749,6 +750,37 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
.map(|expr| rebase_expr(expr, &aggr_projection_exprs, input))
.collect::<Result<Vec<Expr>>>()?;
+ // If the having expression is present and the group by expression is
not present,
+ // we can ensure this is an invalid query. Expand the wildcard
expression here to
+ // get a better error message.
+ let select_exprs_post_aggr = if having_expr_opt.is_some()
+ && group_by_exprs.is_empty()
Review Comment:
Is it possible to handle this in `ExpandWildcardRule`, the reason you handle
it here is just because of the error msg?
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