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Fix an assert() in window.c that could fail with some obscure SELECT statements that use window functions.

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FossilOrigin-Name: 83dc55679a91bf5d1d13706088ce58eed02b9aad1ad0ae237966e78e0d769663
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dan
2020-01-09 20:11:29 +00:00
parent 87969b2a11
commit fbb6e9ff48
5 changed files with 46 additions and 19 deletions
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17
test/window1.test
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@ -1577,4 +1577,21 @@ do_catchsql_test 47.2 {
OR (SELECT k FROM t2 WHERE (SELECT sum(a) OVER() FROM t1 GROUP BY 1));
} {1 {misuse of window function sum()}}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 48.0 {
CREATE TABLE t1(a);
INSERT INTO t1 VALUES(1);
INSERT INTO t1 VALUES(2);
INSERT INTO t1 VALUES(3);
SELECT (SELECT max(x)OVER(ORDER BY x) + min(x)OVER(ORDER BY x))
FROM (SELECT (SELECT sum(a) FROM t1) AS x FROM t1);
} {12 12 12}
do_execsql_test 48.1 {
SELECT (SELECT max(x)OVER(ORDER BY x) + min(x)OVER(ORDER BY x))
FROM (SELECT (SELECT sum(a) FROM t1 GROUP BY a) AS x FROM t1);
} {2 2 2}
finish_test