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sqlite/test/aggnested.test
drh ec27077c4f New test cases added. 
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2022-04-11 18:54:23 +00:00

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# 2012-08-23
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests for processing aggregate queries with
# subqueries in which the subqueries hold the aggregate functions
# or in which the subqueries are themselves aggregate queries
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix aggnested
do_test aggnested-1.1 {
db eval {
CREATE TABLE t1(a1 INTEGER);
INSERT INTO t1 VALUES(1), (2), (3);
CREATE TABLE t2(b1 INTEGER);
INSERT INTO t2 VALUES(4), (5);
SELECT (SELECT group_concat(a1,'x') FROM t2) FROM t1;
}
} {1x2x3}
do_test aggnested-1.2 {
db eval {
SELECT
(SELECT group_concat(a1,'x') || '-' || group_concat(b1,'y') FROM t2)
FROM t1;
}
} {1x2x3-4y5}
do_test aggnested-1.3 {
db eval {
SELECT (SELECT group_concat(b1,a1) FROM t2) FROM t1;
}
} {415 425 435}
do_test aggnested-1.4 {
db eval {
SELECT (SELECT group_concat(a1,b1) FROM t2) FROM t1;
}
} {151 252 353}
# This test case is a copy of the one in
# http://www.mail-archive.com/sqlite-users@sqlite.org/msg70787.html
#
do_test aggnested-2.0 {
sqlite3 db2 :memory:
db2 eval {
CREATE TABLE t1 (A1 INTEGER NOT NULL,A2 INTEGER NOT NULL,A3 INTEGER NOT
NULL,A4 INTEGER NOT NULL,PRIMARY KEY(A1));
REPLACE INTO t1 VALUES(1,11,111,1111);
REPLACE INTO t1 VALUES(2,22,222,2222);
REPLACE INTO t1 VALUES(3,33,333,3333);
CREATE TABLE t2 (B1 INTEGER NOT NULL,B2 INTEGER NOT NULL,B3 INTEGER NOT
NULL,B4 INTEGER NOT NULL,PRIMARY KEY(B1));
REPLACE INTO t2 VALUES(1,88,888,8888);
REPLACE INTO t2 VALUES(2,99,999,9999);
SELECT (SELECT GROUP_CONCAT(CASE WHEN a1=1 THEN'A' ELSE 'B' END) FROM t2),
t1.*
FROM t1;
}
} {A,B,B 1 11 111 1111}
db2 close
##################### Test cases for ticket [bfbf38e5e9956ac69f] ############
#
# This first test case is the original problem report:
do_test aggnested-3.0 {
db eval {
CREATE TABLE AAA (
aaa_id INTEGER PRIMARY KEY AUTOINCREMENT
);
CREATE TABLE RRR (
rrr_id INTEGER PRIMARY KEY AUTOINCREMENT,
rrr_date INTEGER NOT NULL,
rrr_aaa INTEGER
);
CREATE TABLE TTT (
ttt_id INTEGER PRIMARY KEY AUTOINCREMENT,
target_aaa INTEGER NOT NULL,
source_aaa INTEGER NOT NULL
);
insert into AAA (aaa_id) values (2);
insert into TTT (ttt_id, target_aaa, source_aaa)
values (4469, 2, 2);
insert into TTT (ttt_id, target_aaa, source_aaa)
values (4476, 2, 1);
insert into RRR (rrr_id, rrr_date, rrr_aaa)
values (0, 0, NULL);
insert into RRR (rrr_id, rrr_date, rrr_aaa)
values (2, 4312, 2);
SELECT i.aaa_id,
(SELECT sum(CASE WHEN (t.source_aaa == i.aaa_id) THEN 1 ELSE 0 END)
FROM TTT t
) AS segfault
FROM
(SELECT curr.rrr_aaa as aaa_id
FROM RRR curr
-- you also can comment out the next line
-- it causes segfault to happen after one row is outputted
INNER JOIN AAA a ON (curr.rrr_aaa = aaa_id)
LEFT JOIN RRR r ON (r.rrr_id <> 0 AND r.rrr_date < curr.rrr_date)
GROUP BY curr.rrr_id
HAVING r.rrr_date IS NULL
) i;
}
} {2 1}
# Further variants of the test case, as found in the ticket
#
do_test aggnested-3.1 {
db eval {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (
id1 INTEGER PRIMARY KEY AUTOINCREMENT,
value1 INTEGER
);
INSERT INTO t1 VALUES(4469,2),(4476,1);
CREATE TABLE t2 (
id2 INTEGER PRIMARY KEY AUTOINCREMENT,
value2 INTEGER
);
INSERT INTO t2 VALUES(0,1),(2,2);
SELECT
(SELECT sum(value2==xyz) FROM t2)
FROM
(SELECT curr.value1 as xyz
FROM t1 AS curr LEFT JOIN t1 AS other
GROUP BY curr.id1);
}
} {1 1}
do_test aggnested-3.1-rj {
db eval {
SELECT
(SELECT sum(value2==xyz) FROM t2)
FROM
(SELECT curr.value1 as xyz
FROM t1 AS other RIGHT JOIN t1 AS curr
GROUP BY curr.id1);
}
} {1 1}
do_test aggnested-3.2 {
db eval {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (
id1 INTEGER,
value1 INTEGER,
x1 INTEGER
);
INSERT INTO t1 VALUES(4469,2,98),(4469,1,99),(4469,3,97);
CREATE TABLE t2 (
value2 INTEGER
);
INSERT INTO t2 VALUES(1);
SELECT
(SELECT sum(value2==xyz) FROM t2)
FROM
(SELECT value1 as xyz, max(x1) AS pqr
FROM t1
GROUP BY id1);
SELECT
(SELECT sum(value2<>xyz) FROM t2)
FROM
(SELECT value1 as xyz, max(x1) AS pqr
FROM t1
GROUP BY id1);
}
} {1 0}
do_test aggnested-3.3 {
db eval {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(id1, value1);
INSERT INTO t1 VALUES(4469,2),(4469,1);
CREATE TABLE t2 (value2);
INSERT INTO t2 VALUES(1);
SELECT (SELECT sum(value2=value1) FROM t2), max(value1)
FROM t1
GROUP BY id1;
}
} {0 2}
# A batch of queries all doing approximately the same operation involving
# two nested aggregate queries.
#
do_test aggnested-3.11 {
db eval {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(id1, value1);
INSERT INTO t1 VALUES(4469,12),(4469,11),(4470,34);
CREATE INDEX t1id1 ON t1(id1);
CREATE TABLE t2 (value2);
INSERT INTO t2 VALUES(12),(34),(34);
INSERT INTO t2 SELECT value2 FROM t2;
SELECT max(value1), (SELECT count(*) FROM t2 WHERE value2=max(value1))
FROM t1
GROUP BY id1;
}
} {12 2 34 4}
do_test aggnested-3.12 {
db eval {
SELECT max(value1), (SELECT count(*) FROM t2 WHERE value2=value1)
FROM t1
GROUP BY id1;
}
} {12 2 34 4}
do_test aggnested-3.13 {
db eval {
SELECT value1, (SELECT sum(value2=value1) FROM t2)
FROM t1;
}
} {12 2 11 0 34 4}
do_test aggnested-3.14 {
db eval {
SELECT value1, (SELECT sum(value2=value1) FROM t2)
FROM t1
WHERE value1 IN (SELECT max(value1) FROM t1 GROUP BY id1);
}
} {12 2 34 4}
do_test aggnested-3.15 {
# FIXME: If case 3.16 works, then this case really ought to work too...
catchsql {
SELECT max(value1), (SELECT sum(value2=max(value1)) FROM t2)
FROM t1
GROUP BY id1;
}
} {1 {misuse of aggregate function max()}}
do_test aggnested-3.16 {
db eval {
SELECT max(value1), (SELECT sum(value2=value1) FROM t2)
FROM t1
GROUP BY id1;
}
} {12 2 34 4}
# 2019-08-31
# Problem found by dbsqlfuzz
#
do_execsql_test aggnested-4.1 {
DROP TABLE IF EXISTS aa;
DROP TABLE IF EXISTS bb;
CREATE TABLE aa(x INT); INSERT INTO aa(x) VALUES(123);
CREATE TABLE bb(y INT); INSERT INTO bb(y) VALUES(456);
SELECT (SELECT sum(x+(SELECT y)) FROM bb) FROM aa;
} {579}
do_execsql_test aggnested-4.2 {
SELECT (SELECT sum(x+y) FROM bb) FROM aa;
} {579}
do_execsql_test aggnested-4.3 {
DROP TABLE IF EXISTS tx;
DROP TABLE IF EXISTS ty;
CREATE TABLE tx(x INT);
INSERT INTO tx VALUES(1),(2),(3),(4),(5);
CREATE TABLE ty(y INT);
INSERT INTO ty VALUES(91),(92),(93);
SELECT min((SELECT count(y) FROM ty)) FROM tx;
} {3}
do_execsql_test aggnested-4.4 {
SELECT max((SELECT a FROM (SELECT count(*) AS a FROM ty) AS s)) FROM tx;
} {3}
#--------------------------------------------------------------------------
#
reset_db
do_execsql_test 5.0 {
CREATE TABLE x1(a, b);
INSERT INTO x1 VALUES(1, 2);
CREATE TABLE x2(x);
INSERT INTO x2 VALUES(NULL), (NULL), (NULL);
}
# At one point, aggregate "total()" in the query below was being processed
# as part of the outer SELECT, not as part of the sub-select with no FROM
# clause.
do_execsql_test 5.1 {
SELECT ( SELECT total( (SELECT b FROM x1) ) ) FROM x2;
} {2.0 2.0 2.0}
do_execsql_test 5.2 {
SELECT ( SELECT total( (SELECT 2 FROM x1) ) ) FROM x2;
} {2.0 2.0 2.0}
do_execsql_test 5.3 {
CREATE TABLE t1(a);
CREATE TABLE t2(b);
}
do_execsql_test 5.4 {
SELECT(
SELECT max(b) LIMIT (
SELECT total( (SELECT a FROM t1) )
)
)
FROM t2;
} {{}}
do_execsql_test 5.5 {
CREATE TABLE a(b);
WITH c AS(SELECT a)
SELECT(SELECT(SELECT group_concat(b, b)
LIMIT(SELECT 0.100000 *
AVG(DISTINCT(SELECT 0 FROM a ORDER BY b, b, b))))
FROM a GROUP BY b,
b, b) FROM a EXCEPT SELECT b FROM a ORDER BY b,
b, b;
}
#-------------------------------------------------------------------------
# dbsqlfuzz a779227f721a834df95f4f42d0c31550a1f8b8a2
#
reset_db
do_execsql_test 6.0 {
CREATE TABLE t1(a);
CREATE TABLE t2(b);
INSERT INTO t1 VALUES('x');
INSERT INTO t2 VALUES(1);
}
do_execsql_test 6.1.1 {
SELECT (
SELECT t2.b FROM (SELECT t2.b AS c FROM t1) GROUP BY 1 HAVING t2.b
)
FROM t2 GROUP BY 'constant_string';
} {1}
do_execsql_test 6.1.2 {
SELECT (
SELECT c FROM (SELECT t2.b AS c FROM t1) GROUP BY c HAVING t2.b
)
FROM t2 GROUP BY 'constant_string';
} {1}
do_execsql_test 6.2.0 {
UPDATE t2 SET b=0
}
do_execsql_test 6.2.1 {
SELECT (
SELECT t2.b FROM (SELECT t2.b AS c FROM t1) GROUP BY 1 HAVING t2.b
)
FROM t2 GROUP BY 'constant_string';
} {{}}
do_execsql_test 6.2.2 {
SELECT (
SELECT c FROM (SELECT t2.b AS c FROM t1) GROUP BY c HAVING t2.b
)
FROM t2 GROUP BY 'constant_string';
} {{}}
finish_test
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