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2026-06-24 13:47:14 +02:00
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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).-->**No review yet**
+
+## Minimized query
+
+```sql
+PRAGMA cache_spill = TRUE;
+PRAGMA vdbe_addoptrace = TRUE;
+PRAGMA stats;
+.timer on
+CREATE TABLE t3(x,y);
+INSERT INTO t3 VALUES(1,NULL);
+CREATE TABLE T (
+  a TEXT,
+  b TEXT,
+  c REAL
+);
+INSERT INTO T VALUES ('a','b',1.0), ('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;
+INSERT INTO t3 VALUES(2,NULL);
+INSERT INTO t3 VALUES(3,4);
+SELECT count(x), y FROM t3 GROUP BY y ORDER BY 1;
+
+SELECT * FROM t3 AS a JOIN t3 AS b ON a.rowid = b.rowid;
+```
+
+## Actual output
+
+```sql
+Run Time: real 0.000 user 0.000000 sys 0.000239
+Run Time: real 0.000 user 0.000000 sys 0.000015
+Run Time: real 0.000 user 0.000000 sys 0.000053
+Run Time: real 0.000 user 0.000000 sys 0.000020
+a|b|1.0
+a|c|-1.0
+b|d|0.0
+Run Time: real 0.000 user 0.000000 sys 0.000061
+Run Time: real 0.000 user 0.000000 sys 0.000007
+Run Time: real 0.000 user 0.000000 sys 0.000007
+1|4
+2|
+Run Time: real 0.000 user 0.000000 sys 0.000093
+1||1|
+2||2|
+3|4|3|4
+Run Time: real 0.000 user 0.000000 sys 0.000028
+```
+
+## Expectation
+
+```sql
+Run Time: real 0.000135 user 0.000146 sys 0.000000
+Run Time: real 0.000009 user 0.000008 sys 0.000000
+Run Time: real 0.000022 user 0.000023 sys 0.000000
+Run Time: real 0.000010 user 0.000011 sys 0.000000
+a|b|1.0
+a|c|-1.0
+b|d|0.0
+Run Time: real 0.000031 user 0.000030 sys 0.000000
+Run Time: real 0.000003 user 0.000003 sys 0.000000
+Run Time: real 0.000002 user 0.000002 sys 0.000000
+1|4
+2|
+Run Time: real 0.000015 user 0.000016 sys 0.000000
+1||1|
+2||2|
+3|4|3|4
+Run Time: real 0.000024 user 0.000025 sys 0.000000
+```
+
+## Flag
+
+```
+
+```
+