# 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