OLD | NEW |
(Empty) | |
| 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 # This block of tests verifies that bug aa92c76cd4 is fixed. |
| 160 # |
| 161 do_test select7-7.1 { |
| 162 execsql { |
| 163 CREATE TABLE t3(a REAL); |
| 164 INSERT INTO t3 VALUES(44.0); |
| 165 INSERT INTO t3 VALUES(56.0); |
| 166 } |
| 167 } {} |
| 168 do_test select7-7.2 { |
| 169 execsql { |
| 170 pragma vdbe_trace = 0; |
| 171 SELECT (CASE WHEN a=0 THEN 0 ELSE (a + 25) / 50 END) AS categ, count(*) |
| 172 FROM t3 GROUP BY categ |
| 173 } |
| 174 } {1.38 1 1.62 1} |
| 175 do_test select7-7.3 { |
| 176 execsql { |
| 177 CREATE TABLE t4(a REAL); |
| 178 INSERT INTO t4 VALUES( 2.0 ); |
| 179 INSERT INTO t4 VALUES( 3.0 ); |
| 180 } |
| 181 } {} |
| 182 do_test select7-7.4 { |
| 183 execsql { |
| 184 SELECT (CASE WHEN a=0 THEN 'zero' ELSE a/2 END) AS t FROM t4 GROUP BY t; |
| 185 } |
| 186 } {1.0 1.5} |
| 187 do_test select7-7.5 { |
| 188 execsql { SELECT a=0, typeof(a) FROM t4 } |
| 189 } {0 real 0 real} |
| 190 do_test select7-7.6 { |
| 191 execsql { SELECT a=0, typeof(a) FROM t4 GROUP BY a } |
| 192 } {0 real 0 real} |
| 193 |
| 194 do_test select7-7.7 { |
| 195 execsql { |
| 196 CREATE TABLE t5(a TEXT, b INT); |
| 197 INSERT INTO t5 VALUES(123, 456); |
| 198 SELECT typeof(a), a FROM t5 GROUP BY a HAVING a<b; |
| 199 } |
| 200 } {text 123} |
| 201 |
| 202 finish_test |
OLD | NEW |