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+## Summary
+<!--Explain briefly what goes wrong and explain why you believe this is a bug and not the intended behavior of SQLite (if it is not a crash).-->
+It seems that the markdown flag is supported, but the "COALESCE" is buggy. It is a logic bug because the output is different
+
+## Minimized query
+
+```sql
+CREATE TABLE T (
+  a TEXT,
+  b TEXT,
+  c REAL
+);
+INSERT INTO T VALUES ('a','b',concat_ws('|', 'a', NULL, 'b')), ('a','c',-1.0), ('b','d',0.0);
+SELECT
+COALESCE(a,'e') AS d,
+COALESCE(b,'f') AS e,
+SUM(c) AS f
+FROM T
+GROUP BY a,b;
+WITH cte(a, b, c) AS (SELECT b, b, b FROM T) SELECT a, b, c FROM cte;
+
+SELECT COUNT(*) FROM T;
+SELECT RANK() OVER (ORDER BY c RANGE BETWEEN 1 PRECEDING AND 1 FOLLOWING) FROM T;
+CREATE  VIEW IF NOT EXISTS v_T_9129 AS SELECT b FROM T;
+INSERT INTO T SELECT * FROM T;
+```
+
+## Actual output
+
+```sql
+| COUNT(*) |
+|----------|
+| 0        |
+```
+
+## Expectation
+
+```sql
+| d | e |  f   |
+|---|---|------|
+| a | b | 0.0  |
+| a | c | -1.0 |
+| b | d | 0.0  |
+| a | b | c |
+|---|---|---|
+| b | b | b |
+| c | c | c |
+| d | d | d |
+| COUNT(*) |
+|----------|
+| 3        |
+| RANK() OVER (ORDER BY c RANGE BETWEEN 1 PRECEDING AND 1 FOLLOWING) |
+|--------------------------------------------------------------------|
+| 1                                                                  |
+| 2                                                                  |
+| 3                                                                  |
+```
+
+## Flag
+
+```
+-markdown
+```
+