fix(sql): handle GROUP BY ALL with aliased aggregates (#20943)

## Which issue does this PR close?

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- Closes #20909

## Rationale for this change

Issue #20909 reported that:

  - SELECT COUNT(*) FROM t GROUP BY ALL works
  - SELECT COUNT(*) AS c FROM t GROUP BY ALL fails at execution

The failure came from an incorrect plan that grouped by an aggregate
alias expression.

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## What changes are included in this PR?

This PR fixes GROUP BY ALL when the select list has an aliased aggregate
like COUNT(*) AS c.

  Changes:

- Update GROUP BY ALL expansion logic to skip any select expression that
contains an aggregate, even if it is wrapped in aliases.
  - Add SQL planner tests for:
      - SELECT COUNT(*) FROM ... GROUP BY ALL
      - SELECT COUNT(*) AS c FROM ... GROUP BY ALL
  - Add core execution test for:
      - SELECT COUNT(*) AS c FROM ... GROUP BY ALL

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## Are these changes tested?

Yes

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## Are there any user-facing changes?

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Author: kumarUjjawal

datafusion/sql/src/select.rs

@@ -31,7 +31,7 @@ use datafusion_common::error::DataFusionErrorBuilder;
 use datafusion_common::tree_node::{TreeNode, TreeNodeRecursion};
 use datafusion_common::{Column, DFSchema, Result, not_impl_err, plan_err};
 use datafusion_common::{RecursionUnnestOption, UnnestOptions};
-use datafusion_expr::expr::{Alias, PlannedReplaceSelectItem, WildcardOptions};
+use datafusion_expr::expr::{PlannedReplaceSelectItem, WildcardOptions};
 use datafusion_expr::expr_rewriter::{
     normalize_col, normalize_col_with_schemas_and_ambiguity_check, normalize_sorts,
 };
@@ -193,15 +193,11 @@ impl<S: ContextProvider> SqlToRel<'_, S> {
                 .collect::<Result<Vec<Expr>>>()?
         } else {
             // 'group by all' groups wrt. all select expressions except 'AggregateFunction's.
-            // Filter and collect non-aggregate select expressions
+            // Filter and collect non-aggregate select expressions.
             select_exprs
                 .iter()
-                .filter(|select_expr| match select_expr {
-                    Expr::AggregateFunction(_) => false,
-                    Expr::Alias(Alias { expr, name: _, .. }) => {
-                        !matches!(**expr, Expr::AggregateFunction(_))
-                    }
-                    _ => true,
+                .filter(|select_expr| {
+                    find_aggregate_exprs(std::iter::once(*select_expr)).is_empty()
                 })
                 .cloned()
                 .collect()

datafusion/sqllogictest/test_files/group_by.slt

@@ -1979,6 +1979,11 @@ SELECT col0, col1, COUNT(col2), SUM(col3) FROM tab3 GROUP BY ALL
 0 2 2 -3
 1 NULL 1 -2
 
+query I
+SELECT COUNT(*) AS c FROM tab3 GROUP BY ALL
+----
+5
+
 # query below should work in multi partition, successfully.
 query II
 SELECT l.col0, LAST_VALUE(r.col1 ORDER BY r.col0) as last_col1