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# 2013 January 09
#
# 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. The
# focus of this file is testing that the optimizations that disable
# ORDER BY clauses work correctly on a 3-way join. See ticket
# http://www.sqlite.org/src/956e4d7f89
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix orderby3
# Generate test data for a join. Verify that the join gets the
# correct answer.
#
do_execsql_test 1.0 {
CREATE TABLE t1(a INTEGER PRIMARY KEY);
CREATE TABLE t2(b INTEGER PRIMARY KEY, c INTEGER);
CREATE TABLE t3(d INTEGER);
INSERT INTO t1 VALUES(1),(2),(3);
INSERT INTO t2 VALUES(3, 1);
INSERT INTO t2 VALUES(4, 2);
INSERT INTO t2 VALUES(5, 3);
INSERT INTO t3 VALUES(4),(3),(5);
} {}
do_execsql_test 1.1.asc {
SELECT t1.a
FROM t1, t2, t3
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a;
} {1 2 3}
do_execsql_test 1.1.desc {
SELECT t1.a
FROM t1, t2, t3
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a DESC;
} {3 2 1}
do_execsql_test 1.123.asc {
SELECT t1.a
FROM t1 CROSS JOIN t2 CROSS JOIN t3
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a;
} {1 2 3}
do_execsql_test 1.123.desc {
SELECT t1.a
FROM t1 CROSS JOIN t2 CROSS JOIN t3
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a DESC;
} {3 2 1}
do_execsql_test 1.132.asc {
SELECT t1.a
FROM t1 CROSS JOIN t3 CROSS JOIN t2
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a;
} {1 2 3}
do_execsql_test 1.132.desc {
SELECT t1.a
FROM t1 CROSS JOIN t3 CROSS JOIN t2
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a DESC;
} {3 2 1}
do_execsql_test 1.213.asc {
SELECT t1.a
FROM t2 CROSS JOIN t1 CROSS JOIN t3
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a;
} {1 2 3}
do_execsql_test 1.213.desc {
SELECT t1.a
FROM t2 CROSS JOIN t1 CROSS JOIN t3
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a DESC;
} {3 2 1}
do_execsql_test 1.231.asc {
SELECT t1.a
FROM t2 CROSS JOIN t3 CROSS JOIN t1
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a;
} {1 2 3}
do_execsql_test 1.231.desc {
SELECT t1.a
FROM t2 CROSS JOIN t3 CROSS JOIN t1
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a DESC;
} {3 2 1}
do_execsql_test 1.312.asc {
SELECT t1.a
FROM t3 CROSS JOIN t1 CROSS JOIN t2
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a;
} {1 2 3}
do_execsql_test 1.312.desc {
SELECT t1.a
FROM t3 CROSS JOIN t1 CROSS JOIN t2
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a DESC;
} {3 2 1}
do_execsql_test 1.321.asc {
SELECT t1.a
FROM t3 CROSS JOIN t2 CROSS JOIN t1
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a;
} {1 2 3}
do_execsql_test 1.321.desc {
SELECT t1.a
FROM t3 CROSS JOIN t2 CROSS JOIN t1
WHERE t1.a=t2.c AND t2.b=t3.d
ORDER BY t1.a DESC;
} {3 2 1}
finish_test
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