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| 1 # The author disclaims copyright to this source code. In place of | |
| 2 # a legal notice, here is a blessing: | |
| 3 # | |
| 4 # May you do good and not evil. | |
| 5 # May you find forgiveness for yourself and forgive others. | |
| 6 # May you share freely, never taking more than you give. | |
| 7 # | |
| 8 #*********************************************************************** | |
| 9 # This file implements regression tests for SQLite library. The | |
| 10 # focus of this file is testing compute SELECT statements and nested | |
| 11 # views. | |
| 12 # | |
| 13 # $Id: select7.test,v 1.11 2007/09/12 17:01:45 danielk1977 Exp $ | |
| 14 | |
| 15 | |
| 16 set testdir [file dirname $argv0] | |
| 17 source $testdir/tester.tcl | |
| 18 | |
| 19 ifcapable compound { | |
| 20 | |
| 21 # A 3-way INTERSECT. Ticket #875 | |
| 22 ifcapable tempdb { | |
| 23 do_test select7-1.1 { | |
| 24 execsql { | |
| 25 create temp table t1(x); | |
| 26 insert into t1 values('amx'); | |
| 27 insert into t1 values('anx'); | |
| 28 insert into t1 values('amy'); | |
| 29 insert into t1 values('bmy'); | |
| 30 select * from t1 where x like 'a__' | |
| 31 intersect select * from t1 where x like '_m_' | |
| 32 intersect select * from t1 where x like '__x'; | |
| 33 } | |
| 34 } {amx} | |
| 35 } | |
| 36 | |
| 37 | |
| 38 # Nested views do not handle * properly. Ticket #826. | |
| 39 # | |
| 40 ifcapable view { | |
| 41 do_test select7-2.1 { | |
| 42 execsql { | |
| 43 CREATE TABLE x(id integer primary key, a TEXT NULL); | |
| 44 INSERT INTO x (a) VALUES ('first'); | |
| 45 CREATE TABLE tempx(id integer primary key, a TEXT NULL); | |
| 46 INSERT INTO tempx (a) VALUES ('t-first'); | |
| 47 CREATE VIEW tv1 AS SELECT x.id, tx.id FROM x JOIN tempx tx ON tx.id=x.id; | |
| 48 CREATE VIEW tv1b AS SELECT x.id, tx.id FROM x JOIN tempx tx on tx.id=x.id; | |
| 49 CREATE VIEW tv2 AS SELECT * FROM tv1 UNION SELECT * FROM tv1b; | |
| 50 SELECT * FROM tv2; | |
| 51 } | |
| 52 } {1 1} | |
| 53 } ;# ifcapable view | |
| 54 | |
| 55 } ;# ifcapable compound | |
| 56 | |
| 57 # Do not allow GROUP BY without an aggregate. Ticket #1039. | |
| 58 # | |
| 59 # Change: force any query with a GROUP BY clause to be processed as | |
| 60 # an aggregate query, whether it contains aggregates or not. | |
| 61 # | |
| 62 ifcapable subquery { | |
| 63 # do_test select7-3.1 { | |
| 64 # catchsql { | |
| 65 # SELECT * FROM (SELECT * FROM sqlite_master) GROUP BY name | |
| 66 # } | |
| 67 # } {1 {GROUP BY may only be used on aggregate queries}} | |
| 68 do_test select7-3.1 { | |
| 69 catchsql { | |
| 70 SELECT * FROM (SELECT * FROM sqlite_master) GROUP BY name | |
| 71 } | |
| 72 } [list 0 [execsql {SELECT * FROM sqlite_master ORDER BY name}]] | |
| 73 } | |
| 74 | |
| 75 # Ticket #2018 - Make sure names are resolved correctly on all | |
| 76 # SELECT statements of a compound subquery. | |
| 77 # | |
| 78 ifcapable {subquery && compound} { | |
| 79 do_test select7-4.1 { | |
| 80 execsql { | |
| 81 CREATE TABLE IF NOT EXISTS photo(pk integer primary key, x); | |
| 82 CREATE TABLE IF NOT EXISTS tag(pk integer primary key, fk int, name); | |
| 83 | |
| 84 SELECT P.pk from PHOTO P WHERE NOT EXISTS ( | |
| 85 SELECT T2.pk from TAG T2 WHERE T2.fk = P.pk | |
| 86 EXCEPT | |
| 87 SELECT T3.pk from TAG T3 WHERE T3.fk = P.pk AND T3.name LIKE '%foo%' | |
| 88 ); | |
| 89 } | |
| 90 } {} | |
| 91 do_test select7-4.2 { | |
| 92 execsql { | |
| 93 INSERT INTO photo VALUES(1,1); | |
| 94 INSERT INTO photo VALUES(2,2); | |
| 95 INSERT INTO photo VALUES(3,3); | |
| 96 INSERT INTO tag VALUES(11,1,'one'); | |
| 97 INSERT INTO tag VALUES(12,1,'two'); | |
| 98 INSERT INTO tag VALUES(21,1,'one-b'); | |
| 99 SELECT P.pk from PHOTO P WHERE NOT EXISTS ( | |
| 100 SELECT T2.pk from TAG T2 WHERE T2.fk = P.pk | |
| 101 EXCEPT | |
| 102 SELECT T3.pk from TAG T3 WHERE T3.fk = P.pk AND T3.name LIKE '%foo%' | |
| 103 ); | |
| 104 } | |
| 105 } {2 3} | |
| 106 } | |
| 107 | |
| 108 # ticket #2347 | |
| 109 # | |
| 110 ifcapable {subquery && compound} { | |
| 111 do_test select7-5.1 { | |
| 112 catchsql { | |
| 113 CREATE TABLE t2(a,b); | |
| 114 SELECT 5 IN (SELECT a,b FROM t2); | |
| 115 } | |
| 116 } [list 1 \ | |
| 117 {only a single result allowed for a SELECT that is part of an expression}] | |
| 118 do_test select7-5.2 { | |
| 119 catchsql { | |
| 120 SELECT 5 IN (SELECT * FROM t2); | |
| 121 } | |
| 122 } [list 1 \ | |
| 123 {only a single result allowed for a SELECT that is part of an expression}] | |
| 124 do_test select7-5.3 { | |
| 125 catchsql { | |
| 126 SELECT 5 IN (SELECT a,b FROM t2 UNION SELECT b,a FROM t2); | |
| 127 } | |
| 128 } [list 1 \ | |
| 129 {only a single result allowed for a SELECT that is part of an expression}] | |
| 130 do_test select7-5.4 { | |
| 131 catchsql { | |
| 132 SELECT 5 IN (SELECT * FROM t2 UNION SELECT * FROM t2); | |
| 133 } | |
| 134 } [list 1 \ | |
| 135 {only a single result allowed for a SELECT that is part of an expression}] | |
| 136 } | |
| 137 | |
| 138 # Verify that an error occurs if you have too many terms on a | |
| 139 # compound select statement. | |
| 140 # | |
| 141 ifcapable compound { | |
| 142 if {$SQLITE_MAX_COMPOUND_SELECT>0} { | |
| 143 set sql {SELECT 0} | |
| 144 set result 0 | |
| 145 for {set i 1} {$i<$SQLITE_MAX_COMPOUND_SELECT} {incr i} { | |
| 146 append sql " UNION ALL SELECT $i" | |
| 147 lappend result $i | |
| 148 } | |
| 149 do_test select7-6.1 { | |
| 150 catchsql $sql | |
| 151 } [list 0 $result] | |
| 152 append sql { UNION ALL SELECT 99999999} | |
| 153 do_test select7-6.2 { | |
| 154 catchsql $sql | |
| 155 } {1 {too many terms in compound SELECT}} | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 finish_test | |
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