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Do not flatten sub-queries that contain window functions.

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FossilOrigin-Name: 236cb75bd1f0d5eb86aa5f52d8d548e7263c34633833dcea9dfc934f142113b8
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dan
2018-06-08 16:11:55 +00:00
parent 03854d2ecc
commit dacf1de95c
7 changed files with 63 additions and 50 deletions
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19
test/window1.test
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@ -195,5 +195,24 @@ do_execsql_test 5.4 {
SELECT ntile(1) OVER (ORDER BY a) FROM t4;
} {}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 6.1 {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(7), (6), (5), (4), (3), (2), (1);
CREATE TABLE t2(x);
INSERT INTO t2 VALUES('b'), ('a');
SELECT x, count(*) OVER (ORDER BY x) FROM t1;
} {1 1 2 2 3 3 4 4 5 5 6 6 7 7}
do_execsql_test 6.2 {
SELECT * FROM t2, (SELECT x, count(*) OVER (ORDER BY x) FROM t1);
} {
b 1 1 b 2 2 b 3 3 b 4 4 b 5 5 b 6 6 b 7 7
a 1 1 a 2 2 a 3 3 a 4 4 a 5 5 a 6 6 a 7 7
}
finish_test