111 lines
3.1 KiB
Plaintext
111 lines
3.1 KiB
Plaintext
# 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.
|
|
#
|
|
# $Id: join5.test,v 1.2 2007/06/08 00:20:48 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
|
|
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}
|
|
} {}
|
|
|
|
|
|
finish_test
|