| # 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 |