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# 2013 March 26
#
# 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 multi-value primary keys and
# unique indices when only some prefix of the terms in the key are
# used. See ticket http://www.sqlite.org/src/info/a179fe74659
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix orderby4
# Generate test data for a join. Verify that the join gets the
# correct answer.
#
do_execsql_test 1.1 {
CREATE TABLE t1(a, b, PRIMARY KEY(a,b));
INSERT INTO t1 VALUES(1,1),(1,2);
CREATE TABLE t2(x, y, PRIMARY KEY(x,y));
INSERT INTO t2 VALUES(3,3),(4,4);
SELECT a, x FROM t1, t2 ORDER BY 1, 2;
} {1 3 1 3 1 4 1 4}
do_execsql_test 1.2 {
SELECT a, x FROM t1 CROSS JOIN t2 ORDER BY 1, 2;
} {1 3 1 3 1 4 1 4}
do_execsql_test 1.3 {
SELECT a, x FROM t2 CROSS JOIN t1 ORDER BY 1, 2;
} {1 3 1 3 1 4 1 4}
do_execsql_test 2.1 {
CREATE TABLE t3(a);
INSERT INTO t3 VALUES(1),(1);
CREATE INDEX t3a ON t3(a);
CREATE TABLE t4(x);
INSERT INTO t4 VALUES(3),(4);
CREATE INDEX t4x ON t4(x);
SELECT a, x FROM t3, t4 ORDER BY 1, 2;
} {1 3 1 3 1 4 1 4}
do_execsql_test 2.2 {
SELECT a, x FROM t3 CROSS JOIN t4 ORDER BY 1, 2;
} {1 3 1 3 1 4 1 4}
do_execsql_test 2.3 {
SELECT a, x FROM t4 CROSS JOIN t3 ORDER BY 1, 2;
} {1 3 1 3 1 4 1 4}
finish_test
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