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| 1 # 2005 September 19 | |
| 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. | |
| 12 # | |
| 13 # This file implements tests for left outer joins containing ON | |
| 14 # clauses that restrict the scope of the left term of the join. | |
| 15 # | |
| 16 # $Id: join5.test,v 1.2 2007/06/08 00:20:48 drh Exp $ | |
| 17 | |
| 18 set testdir [file dirname $argv0] | |
| 19 source $testdir/tester.tcl | |
| 20 | |
| 21 | |
| 22 do_test join5-1.1 { | |
| 23 execsql { | |
| 24 BEGIN; | |
| 25 CREATE TABLE t1(a integer primary key, b integer, c integer); | |
| 26 CREATE TABLE t2(x integer primary key, y); | |
| 27 CREATE TABLE t3(p integer primary key, q); | |
| 28 INSERT INTO t3 VALUES(11,'t3-11'); | |
| 29 INSERT INTO t3 VALUES(12,'t3-12'); | |
| 30 INSERT INTO t2 VALUES(11,'t2-11'); | |
| 31 INSERT INTO t2 VALUES(12,'t2-12'); | |
| 32 INSERT INTO t1 VALUES(1, 5, 0); | |
| 33 INSERT INTO t1 VALUES(2, 11, 2); | |
| 34 INSERT INTO t1 VALUES(3, 12, 1); | |
| 35 COMMIT; | |
| 36 } | |
| 37 } {} | |
| 38 do_test join5-1.2 { | |
| 39 execsql { | |
| 40 select * from t1 left join t2 on t1.b=t2.x and t1.c=1 | |
| 41 } | |
| 42 } {1 5 0 {} {} 2 11 2 {} {} 3 12 1 12 t2-12} | |
| 43 do_test join5-1.3 { | |
| 44 execsql { | |
| 45 select * from t1 left join t2 on t1.b=t2.x where t1.c=1 | |
| 46 } | |
| 47 } {3 12 1 12 t2-12} | |
| 48 do_test join5-1.4 { | |
| 49 execsql { | |
| 50 select * from t1 left join t2 on t1.b=t2.x and t1.c=1 | |
| 51 left join t3 on t1.b=t3.p and t1.c=2 | |
| 52 } | |
| 53 } {1 5 0 {} {} {} {} 2 11 2 {} {} 11 t3-11 3 12 1 12 t2-12 {} {}} | |
| 54 do_test join5-1.5 { | |
| 55 execsql { | |
| 56 select * from t1 left join t2 on t1.b=t2.x and t1.c=1 | |
| 57 left join t3 on t1.b=t3.p where t1.c=2 | |
| 58 } | |
| 59 } {2 11 2 {} {} 11 t3-11} | |
| 60 | |
| 61 # Ticket #2403 | |
| 62 # | |
| 63 do_test join5-2.1 { | |
| 64 execsql { | |
| 65 CREATE TABLE ab(a,b); | |
| 66 INSERT INTO "ab" VALUES(1,2); | |
| 67 INSERT INTO "ab" VALUES(3,NULL); | |
| 68 | |
| 69 CREATE TABLE xy(x,y); | |
| 70 INSERT INTO "xy" VALUES(2,3); | |
| 71 INSERT INTO "xy" VALUES(NULL,1); | |
| 72 } | |
| 73 execsql {SELECT * FROM xy LEFT JOIN ab ON 0} | |
| 74 } {2 3 {} {} {} 1 {} {}} | |
| 75 do_test join5-2.2 { | |
| 76 execsql {SELECT * FROM xy LEFT JOIN ab ON 1} | |
| 77 } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}} | |
| 78 do_test join5-2.3 { | |
| 79 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL} | |
| 80 } {2 3 {} {} {} 1 {} {}} | |
| 81 do_test join5-2.4 { | |
| 82 execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 0} | |
| 83 } {} | |
| 84 do_test join5-2.5 { | |
| 85 execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 0} | |
| 86 } {} | |
| 87 do_test join5-2.6 { | |
| 88 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 0} | |
| 89 } {} | |
| 90 do_test join5-2.7 { | |
| 91 execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 1} | |
| 92 } {2 3 {} {} {} 1 {} {}} | |
| 93 do_test join5-2.8 { | |
| 94 execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 1} | |
| 95 } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}} | |
| 96 do_test join5-2.9 { | |
| 97 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 1} | |
| 98 } {2 3 {} {} {} 1 {} {}} | |
| 99 do_test join5-2.10 { | |
| 100 execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE NULL} | |
| 101 } {} | |
| 102 do_test join5-2.11 { | |
| 103 execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE NULL} | |
| 104 } {} | |
| 105 do_test join5-2.12 { | |
| 106 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE NULL} | |
| 107 } {} | |
| 108 | |
| 109 # Ticket https://www.sqlite.org/src/tktview/6f2222d550f5b0ee7ed37601 | |
| 110 # Incorrect output on a LEFT JOIN. | |
| 111 # | |
| 112 do_execsql_test join5-3.1 { | |
| 113 DROP TABLE IF EXISTS t1; | |
| 114 DROP TABLE IF EXISTS t2; | |
| 115 DROP TABLE IF EXISTS t3; | |
| 116 CREATE TABLE x1(a); | |
| 117 INSERT INTO x1 VALUES(1); | |
| 118 CREATE TABLE x2(b NOT NULL); | |
| 119 CREATE TABLE x3(c, d); | |
| 120 INSERT INTO x3 VALUES('a', NULL); | |
| 121 INSERT INTO x3 VALUES('b', NULL); | |
| 122 INSERT INTO x3 VALUES('c', NULL); | |
| 123 SELECT * FROM x1 LEFT JOIN x2 LEFT JOIN x3 ON x3.d = x2.b; | |
| 124 } {1 {} {} {}} | |
| 125 do_execsql_test join5-3.2 { | |
| 126 DROP TABLE IF EXISTS t1; | |
| 127 DROP TABLE IF EXISTS t2; | |
| 128 DROP TABLE IF EXISTS t3; | |
| 129 DROP TABLE IF EXISTS t4; | |
| 130 DROP TABLE IF EXISTS t5; | |
| 131 CREATE TABLE t1(x text NOT NULL, y text); | |
| 132 CREATE TABLE t2(u text NOT NULL, x text NOT NULL); | |
| 133 CREATE TABLE t3(w text NOT NULL, v text); | |
| 134 CREATE TABLE t4(w text NOT NULL, z text NOT NULL); | |
| 135 CREATE TABLE t5(z text NOT NULL, m text); | |
| 136 INSERT INTO t1 VALUES('f6d7661f-4efe-4c90-87b5-858e61cd178b',NULL); | |
| 137 INSERT INTO t1 VALUES('f6ea82c3-2cad-45ce-ae8f-3ddca4fb2f48',NULL); | |
| 138 INSERT INTO t1 VALUES('f6f47499-ecb4-474b-9a02-35be73c235e5',NULL); | |
| 139 INSERT INTO t1 VALUES('56f47499-ecb4-474b-9a02-35be73c235e5',NULL); | |
| 140 INSERT INTO t3 VALUES('007f2033-cb20-494c-b135-a1e4eb66130c', | |
| 141 'f6d7661f-4efe-4c90-87b5-858e61cd178b'); | |
| 142 SELECT * | |
| 143 FROM t3 | |
| 144 INNER JOIN t1 ON t1.x= t3.v AND t1.y IS NULL | |
| 145 LEFT JOIN t4 ON t4.w = t3.w | |
| 146 LEFT JOIN t5 ON t5.z = t4.z | |
| 147 LEFT JOIN t2 ON t2.u = t5.m | |
| 148 LEFT JOIN t1 xyz ON xyz.y = t2.x; | |
| 149 } {007f2033-cb20-494c-b135-a1e4eb66130c f6d7661f-4efe-4c90-87b5-858e61cd178b f6d
7661f-4efe-4c90-87b5-858e61cd178b {} {} {} {} {} {} {} {} {}} | |
| 150 do_execsql_test join5-3.3 { | |
| 151 DROP TABLE IF EXISTS x1; | |
| 152 DROP TABLE IF EXISTS x2; | |
| 153 DROP TABLE IF EXISTS x3; | |
| 154 CREATE TABLE x1(a); | |
| 155 INSERT INTO x1 VALUES(1); | |
| 156 CREATE TABLE x2(b NOT NULL); | |
| 157 CREATE TABLE x3(c, d); | |
| 158 INSERT INTO x3 VALUES('a', NULL); | |
| 159 INSERT INTO x3 VALUES('b', NULL); | |
| 160 INSERT INTO x3 VALUES('c', NULL); | |
| 161 SELECT * FROM x1 LEFT JOIN x2 JOIN x3 WHERE x3.d = x2.b; | |
| 162 } {} | |
| 163 | |
| 164 # Ticket https://www.sqlite.org/src/tktview/c2a19d81652f40568c770c43 on | |
| 165 # 2015-08-20. LEFT JOIN and the push-down optimization. | |
| 166 # | |
| 167 do_execsql_test join6-4.1 { | |
| 168 SELECT * | |
| 169 FROM ( | |
| 170 SELECT 'apple' fruit | |
| 171 UNION ALL SELECT 'banana' | |
| 172 ) a | |
| 173 JOIN ( | |
| 174 SELECT 'apple' fruit | |
| 175 UNION ALL SELECT 'banana' | |
| 176 ) b ON a.fruit=b.fruit | |
| 177 LEFT JOIN ( | |
| 178 SELECT 1 isyellow | |
| 179 ) c ON b.fruit='banana'; | |
| 180 } {apple apple {} banana banana 1} | |
| 181 do_execsql_test join6-4.2 { | |
| 182 SELECT * | |
| 183 FROM (SELECT 'apple' fruit UNION ALL SELECT 'banana') | |
| 184 LEFT JOIN (SELECT 1) ON fruit='banana'; | |
| 185 } {apple {} banana 1} | |
| 186 | |
| 187 finish_test | |
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