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# 2005 September 19
#
# 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 left outer joins containing ON
# clauses that restrict the scope of the left term of the join.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix join5
do_test join5-1.1 {
execsql {
BEGIN;
CREATE TABLE t1(a integer primary key, b integer, c integer);
CREATE TABLE t2(x integer primary key, y);
CREATE TABLE t3(p integer primary key, q);
INSERT INTO t3 VALUES(11,'t3-11');
INSERT INTO t3 VALUES(12,'t3-12');
INSERT INTO t2 VALUES(11,'t2-11');
INSERT INTO t2 VALUES(12,'t2-12');
INSERT INTO t1 VALUES(1, 5, 0);
INSERT INTO t1 VALUES(2, 11, 2);
INSERT INTO t1 VALUES(3, 12, 1);
COMMIT;
}
} {}
do_test join5-1.2 {
execsql {
select * from t1 left join t2 on t1.b=t2.x and t1.c=1
}
} {1 5 0 {} {} 2 11 2 {} {} 3 12 1 12 t2-12}
do_test join5-1.3 {
execsql {
select * from t1 left join t2 on t1.b=t2.x where t1.c=1
}
} {3 12 1 12 t2-12}
do_test join5-1.4 {
execsql {
select * from t1 left join t2 on t1.b=t2.x and t1.c=1
left join t3 on t1.b=t3.p and t1.c=2
}
} {1 5 0 {} {} {} {} 2 11 2 {} {} 11 t3-11 3 12 1 12 t2-12 {} {}}
do_test join5-1.5 {
execsql {
select * from t1 left join t2 on t1.b=t2.x and t1.c=1
left join t3 on t1.b=t3.p where t1.c=2
}
} {2 11 2 {} {} 11 t3-11}
# Ticket #2403
#
do_test join5-2.1 {
execsql {
CREATE TABLE ab(a,b);
INSERT INTO "ab" VALUES(1,2);
INSERT INTO "ab" VALUES(3,NULL);
CREATE TABLE xy(x,y);
INSERT INTO "xy" VALUES(2,3);
INSERT INTO "xy" VALUES(NULL,1);
}
execsql {SELECT * FROM xy LEFT JOIN ab ON 0}
} {2 3 {} {} {} 1 {} {}}
do_test join5-2.2 {
execsql {SELECT * FROM xy LEFT JOIN ab ON 1}
} {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
do_test join5-2.3 {
execsql {SELECT * FROM xy LEFT JOIN ab ON NULL}
} {2 3 {} {} {} 1 {} {}}
do_test join5-2.4 {
execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 0}
} {}
do_test join5-2.5 {
execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 0}
} {}
do_test join5-2.6 {
execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 0}
} {}
do_test join5-2.7 {
execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 1}
} {2 3 {} {} {} 1 {} {}}
do_test join5-2.8 {
execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 1}
} {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
do_test join5-2.9 {
execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 1}
} {2 3 {} {} {} 1 {} {}}
do_test join5-2.10 {
execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE NULL}
} {}
do_test join5-2.11 {
execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE NULL}
} {}
do_test join5-2.12 {
execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE NULL}
} {}
# Ticket https://www.sqlite.org/src/tktview/6f2222d550f5b0ee7ed37601
# Incorrect output on a LEFT JOIN.
#
do_execsql_test join5-3.1 {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t3;
CREATE TABLE x1(a);
INSERT INTO x1 VALUES(1);
CREATE TABLE x2(b NOT NULL);
CREATE TABLE x3(c, d);
INSERT INTO x3 VALUES('a', NULL);
INSERT INTO x3 VALUES('b', NULL);
INSERT INTO x3 VALUES('c', NULL);
SELECT * FROM x1 LEFT JOIN x2 LEFT JOIN x3 ON x3.d = x2.b;
} {1 {} {} {}}
do_execsql_test join5-3.2 {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t3;
DROP TABLE IF EXISTS t4;
DROP TABLE IF EXISTS t5;
CREATE TABLE t1(x text NOT NULL, y text);
CREATE TABLE t2(u text NOT NULL, x text NOT NULL);
CREATE TABLE t3(w text NOT NULL, v text);
CREATE TABLE t4(w text NOT NULL, z text NOT NULL);
CREATE TABLE t5(z text NOT NULL, m text);
INSERT INTO t1 VALUES('f6d7661f-4efe-4c90-87b5-858e61cd178b',NULL);
INSERT INTO t1 VALUES('f6ea82c3-2cad-45ce-ae8f-3ddca4fb2f48',NULL);
INSERT INTO t1 VALUES('f6f47499-ecb4-474b-9a02-35be73c235e5',NULL);
INSERT INTO t1 VALUES('56f47499-ecb4-474b-9a02-35be73c235e5',NULL);
INSERT INTO t3 VALUES('007f2033-cb20-494c-b135-a1e4eb66130c',
'f6d7661f-4efe-4c90-87b5-858e61cd178b');
SELECT *
FROM t3
INNER JOIN t1 ON t1.x= t3.v AND t1.y IS NULL
LEFT JOIN t4 ON t4.w = t3.w
LEFT JOIN t5 ON t5.z = t4.z
LEFT JOIN t2 ON t2.u = t5.m
LEFT JOIN t1 xyz ON xyz.y = t2.x;
} {007f2033-cb20-494c-b135-a1e4eb66130c f6d7661f-4efe-4c90-87b5-858e61cd178b f6d7661f-4efe-4c90-87b5-858e61cd178b {} {} {} {} {} {} {} {} {}}
do_execsql_test join5-3.3 {
DROP TABLE IF EXISTS x1;
DROP TABLE IF EXISTS x2;
DROP TABLE IF EXISTS x3;
CREATE TABLE x1(a);
INSERT INTO x1 VALUES(1);
CREATE TABLE x2(b NOT NULL);
CREATE TABLE x3(c, d);
INSERT INTO x3 VALUES('a', NULL);
INSERT INTO x3 VALUES('b', NULL);
INSERT INTO x3 VALUES('c', NULL);
SELECT * FROM x1 LEFT JOIN x2 JOIN x3 WHERE x3.d = x2.b;
} {}
# Ticket https://www.sqlite.org/src/tktview/c2a19d81652f40568c770c43 on
# 2015-08-20. LEFT JOIN and the push-down optimization.
#
do_execsql_test join5-4.1 {
SELECT *
FROM (
SELECT 'apple' fruit
UNION ALL SELECT 'banana'
) a
JOIN (
SELECT 'apple' fruit
UNION ALL SELECT 'banana'
) b ON a.fruit=b.fruit
LEFT JOIN (
SELECT 1 isyellow
) c ON b.fruit='banana';
} {apple apple {} banana banana 1}
do_execsql_test join5-4.2 {
SELECT *
FROM (SELECT 'apple' fruit UNION ALL SELECT 'banana')
LEFT JOIN (SELECT 1) ON fruit='banana';
} {apple {} banana 1}
#-------------------------------------------------------------------------
do_execsql_test 5.0 {
CREATE TABLE y1(x, y, z);
INSERT INTO y1 VALUES(0, 0, 1);
CREATE TABLE y2(a);
}
do_execsql_test 5.1 {
SELECT count(z) FROM y1 LEFT JOIN y2 ON x GROUP BY y;
} 1
do_execsql_test 5.2 {
SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x GROUP BY y;
} 1
do_execsql_test 5.3 {
CREATE VIEW v1 AS SELECT x, y, z FROM y1;
SELECT count(z) FROM v1 LEFT JOIN y2 ON x GROUP BY y;
} 1
do_execsql_test 5.4 {
SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x
} 1
do_execsql_test 5.5 {
SELECT * FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x
} {0 0 1 {}}
#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 6.1 {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1);
CREATE TABLE t2(y INTEGER PRIMARY KEY,a,b);
INSERT INTO t2 VALUES(1,2,3);
CREATE INDEX t2a ON t2(a);
CREATE INDEX t2b ON t2(b);
}
do_execsql_test 6.2 {
SELECT * FROM t1 LEFT JOIN t2 ON a=2 OR b=3 WHERE y IS NULL;
} {}
do_execsql_test 6.3.1 {
CREATE TABLE t3(x);
INSERT INTO t3 VALUES(1);
CREATE TABLE t4(y, z);
SELECT ifnull(z, '!!!') FROM t3 LEFT JOIN t4 ON (x=y);
} {!!!}
do_execsql_test 6.3.2 {
CREATE INDEX t4i ON t4(y, ifnull(z, '!!!'));
SELECT ifnull(z, '!!!') FROM t3 LEFT JOIN t4 ON (x=y);
} {!!!}
# 2019-02-08 https://sqlite.org/src/info/4e8e4857d32d401f
reset_db
do_execsql_test 6.100 {
CREATE TABLE t1(aa, bb);
CREATE INDEX t1x1 on t1(abs(aa), abs(bb));
INSERT INTO t1 VALUES(-2,-3),(+2,-3),(-2,+3),(+2,+3);
SELECT * FROM (t1)
WHERE ((abs(aa)=1 AND 1=2) OR abs(aa)=2)
AND abs(bb)=3
ORDER BY +1, +2;
} {-2 -3 -2 3 2 -3 2 3}
#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 7.0 {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1);
}
do_execsql_test 7.1 {
CREATE TABLE t2(x, y, z);
CREATE INDEX t2xy ON t2(x, y);
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50000
)
INSERT INTO t2 SELECT i/10, i, NULL FROM s;
ANALYZE;
}
do_eqp_test 7.2 {
SELECT * FROM t1 LEFT JOIN t2 ON (
t2.x = t1.x AND (t2.y=? OR (t2.y=? AND t2.z IS NOT NULL))
);
} {
QUERY PLAN
|--SCAN TABLE t1
`--MULTI-INDEX OR
|--INDEX 1
| `--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)
`--INDEX 2
`--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)
}
do_execsql_test 7.3 {
CREATE TABLE t3(x);
CREATE TABLE t4(x, y, z);
CREATE INDEX t4xy ON t4(x, y);
CREATE INDEX t4xz ON t4(x, z);
WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50000)
INSERT INTO t4 SELECT i/10, i, i FROM s;
ANALYZE;
}
do_eqp_test 7.4 {
SELECT * FROM t3 LEFT JOIN t4 ON (t4.x = t3.x) WHERE (t4.y = ? OR t4.z = ?);
} {
QUERY PLAN
|--SCAN TABLE t3
`--SEARCH TABLE t4 USING INDEX t4xz (x=?)
}
finish_test