yonatan-sevenai commented on code in PR #21099:
URL: https://github.com/apache/datafusion/pull/21099#discussion_r3034970412
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datafusion/sql/tests/cases/plan_to_sql.rs:
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@@ -2893,3 +2893,58 @@ fn test_json_access_3() {
@r#"SELECT (j1.j1_string : 'field.inner1[''inner2'']') FROM j1"#
);
}
+
+/// Test that unparsing a manually constructed join with a subquery aggregate
+/// preserves the MAX aggregate function.
+///
+/// Builds the equivalent of:
+/// SELECT j1.j1_string FROM j1
+/// JOIN (SELECT max(j2_id) AS max_id FROM j2) AS b
+/// ON j1.j1_id = b.max_id
+#[test]
+fn test_unparse_manual_join_with_subquery_aggregate() -> Result<()> {
Review Comment:
Added roundtrip_subquery_aggregate_with_column_alias using the existing macro
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