[GitHub] [calcite] danny0405 commented on a change in pull request #2130: [CALCITE-4207] Validation fails for positional aggregate with current_date in 'case' expression

[GitBox <gi...@apache.org>]

danny0405 commented on a change in pull request #2130:
URL: https://github.com/apache/calcite/pull/2130#discussion_r483503190



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File path: core/src/test/java/org/apache/calcite/test/SqlValidatorTest.java
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@@ -11685,6 +11685,19 @@ private void checkCustomColumnResolving(String table) {
             + "MYFUN\\(<NUMERIC>, <NUMERIC>\\).*");
   }
 
+  @Test void testPositionalAggregateWithExpandedCurrentDateFunction() {
+    SqlConformance defaultPlusOrdinalGroupBy =
+        new SqlDelegatingConformance(SqlConformanceEnum.DEFAULT) {
+          @Override public boolean isGroupByOrdinal() {
+            return true;
+          }
+        };
+    sql("SELECT HIREDATE >= CURRENT_DATE, COUNT(*) "
+        + "FROM EMP GROUP BY 1")

Review comment:
       I'm confused by why the `current_date` caused the problem, does other non-param function triggers the bug too ?




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