1# 2013 March 26 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# This file implements regression tests for SQLite library. The 12# focus of this file is testing that the optimizations that disable 13# ORDER BY clauses work correctly on multi-value primary keys and 14# unique indices when only some prefix of the terms in the key are 15# used. See ticket http://www.sqlite.org/src/info/a179fe74659 16# 17 18 19set testdir [file dirname $argv0] 20source $testdir/tester.tcl 21set ::testprefix orderby4 22 23# Generate test data for a join. Verify that the join gets the 24# correct answer. 25# 26do_execsql_test 1.1 { 27 CREATE TABLE t1(a, b, PRIMARY KEY(a,b)); 28 INSERT INTO t1 VALUES(1,1),(1,2); 29 CREATE TABLE t2(x, y, PRIMARY KEY(x,y)); 30 INSERT INTO t2 VALUES(3,3),(4,4); 31 SELECT a, x FROM t1, t2 ORDER BY 1, 2; 32} {1 3 1 3 1 4 1 4} 33do_execsql_test 1.2 { 34 SELECT a, x FROM t1 CROSS JOIN t2 ORDER BY 1, 2; 35} {1 3 1 3 1 4 1 4} 36do_execsql_test 1.3 { 37 SELECT a, x FROM t2 CROSS JOIN t1 ORDER BY 1, 2; 38} {1 3 1 3 1 4 1 4} 39 40do_execsql_test 2.1 { 41 CREATE TABLE t3(a); 42 INSERT INTO t3 VALUES(1),(1); 43 CREATE INDEX t3a ON t3(a); 44 CREATE TABLE t4(x); 45 INSERT INTO t4 VALUES(3),(4); 46 CREATE INDEX t4x ON t4(x); 47 SELECT a, x FROM t3, t4 ORDER BY 1, 2; 48} {1 3 1 3 1 4 1 4} 49do_execsql_test 2.2 { 50 SELECT a, x FROM t3 CROSS JOIN t4 ORDER BY 1, 2; 51} {1 3 1 3 1 4 1 4} 52do_execsql_test 2.3 { 53 SELECT a, x FROM t4 CROSS JOIN t3 ORDER BY 1, 2; 54} {1 3 1 3 1 4 1 4} 55 56finish_test 57