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| 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 |
| 19 set testdir [file dirname $argv0] |
| 20 source $testdir/tester.tcl |
| 21 set ::testprefix orderby4 |
| 22 |
| 23 # Generate test data for a join. Verify that the join gets the |
| 24 # correct answer. |
| 25 # |
| 26 do_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} |
| 33 do_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} |
| 36 do_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 |
| 40 do_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} |
| 49 do_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} |
| 52 do_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 |
| 56 finish_test |
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