1 2#pragma ident "%Z%%M% %I% %E% SMI" 3 4# 2002 May 24 5# 6# The author disclaims copyright to this source code. In place of 7# a legal notice, here is a blessing: 8# 9# May you do good and not evil. 10# May you find forgiveness for yourself and forgive others. 11# May you share freely, never taking more than you give. 12# 13#*********************************************************************** 14# This file implements regression tests for SQLite library. 15# 16# This file implements tests for joins, including outer joins. 17# 18# $Id: join2.test,v 1.1 2004/01/24 20:18:13 drh Exp $ 19 20set testdir [file dirname $argv0] 21source $testdir/tester.tcl 22 23do_test join2-1.1 { 24 execsql { 25 CREATE TABLE t1(a,b); 26 INSERT INTO t1 VALUES(1,11); 27 INSERT INTO t1 VALUES(2,22); 28 INSERT INTO t1 VALUES(3,33); 29 SELECT * FROM t1; 30 } 31} {1 11 2 22 3 33} 32do_test join2-1.2 { 33 execsql { 34 CREATE TABLE t2(b,c); 35 INSERT INTO t2 VALUES(11,111); 36 INSERT INTO t2 VALUES(33,333); 37 INSERT INTO t2 VALUES(44,444); 38 SELECT * FROM t2; 39 } 40} {11 111 33 333 44 444}; 41do_test join2-1.3 { 42 execsql { 43 CREATE TABLE t3(c,d); 44 INSERT INTO t3 VALUES(111,1111); 45 INSERT INTO t3 VALUES(444,4444); 46 INSERT INTO t3 VALUES(555,5555); 47 SELECT * FROM t3; 48 } 49} {111 1111 444 4444 555 5555} 50 51do_test join2-1.4 { 52 execsql { 53 SELECT * FROM 54 t1 NATURAL JOIN t2 NATURAL JOIN t3 55 } 56} {1 11 111 1111} 57do_test join2-1.5 { 58 execsql { 59 SELECT * FROM 60 t1 NATURAL JOIN t2 NATURAL LEFT OUTER JOIN t3 61 } 62} {1 11 111 1111 3 33 333 {}} 63do_test join2-1.6 { 64 execsql { 65 SELECT * FROM 66 t1 NATURAL LEFT OUTER JOIN t2 NATURAL JOIN t3 67 } 68} {1 11 111 1111} 69do_test join2-1.6 { 70 execsql { 71 SELECT * FROM 72 t1 NATURAL LEFT OUTER JOIN (t2 NATURAL JOIN t3) 73 } 74} {1 11 111 1111 2 22 {} {} 3 33 {} {}} 75 76finish_test 77