weihua zhang created IMPALA-14168:
-------------------------------------
Summary: Calcite Planner: Could not find the Impala function for
COUNT
Key: IMPALA-14168
URL: https://issues.apache.org/jira/browse/IMPALA-14168
Project: IMPALA
Issue Type: Sub-task
Reporter: weihua zhang
{code:sql}
CREATE TABLE test_varchar_col(varchar_col VARCHAR(20));
INSERT INTO test_varchar_col values(CAST('grape' AS VARCHAR(20)));
set use_calcite_planner=1;
SELECT COUNT(DISTINCT varchar_col) FROM test_varchar_col;
2025-06-18 07:40:21 [Exception] ERROR: Query 7d4d22d4e91e20ea:cbf92e3400000000
failed:
IllegalStateException: Could not find the Impala function for COUNT
set use_calcite_planner=0;
SELECT COUNT(DISTINCT varchar_col) FROM test_varchar_col;
+-----------------------------+
| count(distinct varchar_col) |
+-----------------------------+
| 1 |
+-----------------------------+
{code}
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