124 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2013 January 09
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| #
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| # The author disclaims copyright to this source code.  In place of
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| # a legal notice, here is a blessing:
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| #
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| #    May you do good and not evil.
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| #    May you find forgiveness for yourself and forgive others.
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| #    May you share freely, never taking more than you give.
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| #
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| #***********************************************************************
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| # This file implements regression tests for SQLite library.  The
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| # focus of this file is testing that the optimizations that disable
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| # ORDER BY clauses work correctly on a 3-way join.  See ticket
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| # http://www.sqlite.org/src/956e4d7f89
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| #
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| 
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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| set ::testprefix orderby3
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| 
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| # Generate test data for a join.  Verify that the join gets the
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| # correct answer.
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| #
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| do_execsql_test 1.0 {
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|   CREATE TABLE t1(a INTEGER PRIMARY KEY);
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|   CREATE TABLE t2(b INTEGER PRIMARY KEY, c INTEGER);
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|   CREATE TABLE t3(d INTEGER);
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|     
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|   INSERT INTO t1 VALUES(1),(2),(3);
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|     
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|   INSERT INTO t2 VALUES(3, 1);
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|   INSERT INTO t2 VALUES(4, 2);
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|   INSERT INTO t2 VALUES(5, 3);
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|     
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|   INSERT INTO t3 VALUES(4),(3),(5);
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| } {}
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| do_execsql_test 1.1.asc {
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|   SELECT t1.a
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|     FROM t1, t2, t3
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a;
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| } {1 2 3}
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| do_execsql_test 1.1.desc {
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|   SELECT t1.a
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|     FROM t1, t2, t3
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a DESC;
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| } {3 2 1}
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| do_execsql_test 1.123.asc {
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|   SELECT t1.a
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|     FROM t1 CROSS JOIN t2 CROSS JOIN t3
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a;
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| } {1 2 3}
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| do_execsql_test 1.123.desc {
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|   SELECT t1.a
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|     FROM t1 CROSS JOIN t2 CROSS JOIN t3
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a DESC;
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| } {3 2 1}
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| do_execsql_test 1.132.asc {
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|   SELECT t1.a
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|     FROM t1 CROSS JOIN t3 CROSS JOIN t2
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a;
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| } {1 2 3}
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| do_execsql_test 1.132.desc {
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|   SELECT t1.a
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|     FROM t1 CROSS JOIN t3 CROSS JOIN t2
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a DESC;
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| } {3 2 1}
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| do_execsql_test 1.213.asc {
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|   SELECT t1.a
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|     FROM t2 CROSS JOIN t1 CROSS JOIN t3
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a;
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| } {1 2 3}
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| do_execsql_test 1.213.desc {
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|   SELECT t1.a
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|     FROM t2 CROSS JOIN t1 CROSS JOIN t3
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a DESC;
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| } {3 2 1}
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| do_execsql_test 1.231.asc {
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|   SELECT t1.a
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|     FROM t2 CROSS JOIN t3 CROSS JOIN t1
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a;
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| } {1 2 3}
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| do_execsql_test 1.231.desc {
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|   SELECT t1.a
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|     FROM t2 CROSS JOIN t3 CROSS JOIN t1
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a DESC;
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| } {3 2 1}
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| do_execsql_test 1.312.asc {
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|   SELECT t1.a
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|     FROM t3 CROSS JOIN t1 CROSS JOIN t2
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a;
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| } {1 2 3}
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| do_execsql_test 1.312.desc {
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|   SELECT t1.a
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|     FROM t3 CROSS JOIN t1 CROSS JOIN t2
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a DESC;
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| } {3 2 1}
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| do_execsql_test 1.321.asc {
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|   SELECT t1.a
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|     FROM t3 CROSS JOIN t2 CROSS JOIN t1
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a;
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| } {1 2 3}
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| do_execsql_test 1.321.desc {
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|   SELECT t1.a
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|     FROM t3 CROSS JOIN t2 CROSS JOIN t1
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|    WHERE t1.a=t2.c AND t2.b=t3.d
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|    ORDER BY t1.a DESC;
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| } {3 2 1}
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| 
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| finish_test
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