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Add test cases for the query flattener fix for

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ticket [2f7170d73bf9abf8].

FossilOrigin-Name: dd8f7f7511639a1baa41a6ff2e359dc6f1e66943
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drh
2015-02-09 16:34:33 +00:00
parent 2308ed3854
commit 2c5e9b5672
3 changed files with 63 additions and 7 deletions
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56
test/select6.test
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@@ -557,5 +557,61 @@ do_catchsql_test 10.8 {
)
} $err
# 2015-02-09 Ticket [2f7170d73bf9abf80339187aa3677dce3dbcd5ca]
# "misuse of aggregate" error if aggregate column from FROM
# subquery is used in correlated subquery
#
do_execsql_test 11.1 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(w INT, x INT);
INSERT INTO t1(w,x)
VALUES(1,10),(2,20),(3,30),
(2,21),(3,31),
(3,32);
CREATE INDEX t1wx ON t1(w,x);
DROP TABLE IF EXISTS t2;
CREATE TABLE t2(w INT, y VARCHAR(8));
INSERT INTO t2(w,y) VALUES(1,'one'),(2,'two'),(3,'three'),(4,'four');
CREATE INDEX t2wy ON t2(w,y);
SELECT cnt, xyz, (SELECT y FROM t2 WHERE w=cnt), '|'
FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
ORDER BY cnt, xyz;
} {1 1 one | 2 2 two | 3 3 three |}
do_execsql_test 11.2 {
SELECT cnt, xyz, lower((SELECT y FROM t2 WHERE w=cnt)), '|'
FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
ORDER BY cnt, xyz;
} {1 1 one | 2 2 two | 3 3 three |}
do_execsql_test 11.3 {
SELECT cnt, xyz, '|'
FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
WHERE (SELECT y FROM t2 WHERE w=cnt)!='two'
ORDER BY cnt, xyz;
} {1 1 | 3 3 |}
do_execsql_test 11.4 {
SELECT cnt, xyz, '|'
FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
ORDER BY lower((SELECT y FROM t2 WHERE w=cnt));
} {1 1 | 3 3 | 2 2 |}
do_execsql_test 11.5 {
SELECT cnt, xyz,
CASE WHEN (SELECT y FROM t2 WHERE w=cnt)=='two'
THEN 'aaa' ELSE 'bbb'
END, '|'
FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
ORDER BY +cnt;
} {1 1 bbb | 2 2 aaa | 3 3 bbb |}
do_execsql_test 11.100 {
DROP TABLE t1;
DROP TABLE t2;
CREATE TABLE t1(x);
CREATE TABLE t2(y, z);
SELECT ( SELECT y FROM t2 WHERE z = cnt )
FROM ( SELECT count(*) AS cnt FROM t1 );
} {{}}
finish_test