drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 1 | # Copyright (c) 1999, 2000 D. Richard Hipp |
| 2 | # |
| 3 | # This program is free software; you can redistribute it and/or |
| 4 | # modify it under the terms of the GNU General Public |
| 5 | # License as published by the Free Software Foundation; either |
| 6 | # version 2 of the License, or (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 11 | # General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public |
| 14 | # License along with this library; if not, write to the |
| 15 | # Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 16 | # Boston, MA 02111-1307, USA. |
| 17 | # |
| 18 | # Author contact information: |
| 19 | # drh@hwaci.com |
| 20 | # http://www.hwaci.com/drh/ |
| 21 | # |
| 22 | #*********************************************************************** |
| 23 | # This file implements regression tests for SQLite library. The |
| 24 | # focus of this file is testing UNION, INTERSECT and EXCEPT operators |
| 25 | # in SELECT statements. |
| 26 | # |
drh | 4cfa793 | 2000-06-08 15:10:46 +0000 | [diff] [blame] | 27 | # $Id: select4.test,v 1.3 2000/06/08 15:10:48 drh Exp $ |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 28 | |
| 29 | set testdir [file dirname $argv0] |
| 30 | source $testdir/tester.tcl |
| 31 | |
| 32 | # Build some test data |
| 33 | # |
drh | 92cd52f | 2000-06-08 01:55:29 +0000 | [diff] [blame] | 34 | set fd [open data1.txt w] |
| 35 | for {set i 1} {$i<32} {incr i} { |
| 36 | for {set j 0} {pow(2,$j)<$i} {incr j} {} |
| 37 | puts $fd "$i\t$j" |
| 38 | } |
| 39 | close $fd |
| 40 | execsql { |
| 41 | CREATE TABLE t1(n int, log int); |
| 42 | COPY t1 FROM 'data1.txt' |
| 43 | } |
| 44 | file delete data1.txt |
| 45 | |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 46 | do_test select4-1.0 { |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 47 | execsql {SELECT DISTINCT log FROM t1 ORDER BY log} |
| 48 | } {0 1 2 3 4 5} |
| 49 | |
| 50 | # Union All operator |
| 51 | # |
| 52 | do_test select4-1.1a { |
| 53 | lsort [execsql {SELECT DISTINCT log FROM t1}] |
| 54 | } {0 1 2 3 4 5} |
| 55 | do_test select4-1.1b { |
| 56 | lsort [execsql {SELECT n FROM t1 WHERE log=3}] |
| 57 | } {5 6 7 8} |
| 58 | do_test select4-1.1c { |
| 59 | execsql { |
| 60 | SELECT DISTINCT log FROM t1 |
| 61 | UNION ALL |
| 62 | SELECT n FROM t1 WHERE log=3 |
| 63 | ORDER BY log; |
| 64 | } |
| 65 | } {0 1 2 3 4 5 5 6 7 8} |
| 66 | do_test select4-1.2 { |
| 67 | execsql { |
| 68 | SELECT log FROM t1 WHERE n IN |
| 69 | (SELECT DISTINCT log FROM t1 UNION ALL |
| 70 | SELECT n FROM t1 WHERE log=3) |
| 71 | ORDER BY log; |
| 72 | } |
| 73 | } {0 1 2 2 3 3 3 3} |
drh | 92cd52f | 2000-06-08 01:55:29 +0000 | [diff] [blame] | 74 | do_test select4-1.3 { |
| 75 | set v [catch {execsql { |
| 76 | SELECT DISTINCT log FROM t1 ORDER BY log |
| 77 | UNION ALL |
| 78 | SELECT n FROM t1 WHERE log=3 |
| 79 | ORDER BY log; |
| 80 | }} msg] |
| 81 | lappend v $msg |
| 82 | } {1 {ORDER BY clause should come after UNION ALL not before}} |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 83 | |
| 84 | # Union operator |
| 85 | # |
| 86 | do_test select4-2.1 { |
| 87 | execsql { |
| 88 | SELECT DISTINCT log FROM t1 |
| 89 | UNION |
| 90 | SELECT n FROM t1 WHERE log=3 |
| 91 | ORDER BY log; |
| 92 | } |
| 93 | } {0 1 2 3 4 5 6 7 8} |
| 94 | do_test select4-2.2 { |
| 95 | execsql { |
| 96 | SELECT log FROM t1 WHERE n IN |
| 97 | (SELECT DISTINCT log FROM t1 UNION |
| 98 | SELECT n FROM t1 WHERE log=3) |
| 99 | ORDER BY log; |
| 100 | } |
| 101 | } {0 1 2 2 3 3 3 3} |
drh | 92cd52f | 2000-06-08 01:55:29 +0000 | [diff] [blame] | 102 | do_test select4-2.3 { |
| 103 | set v [catch {execsql { |
| 104 | SELECT DISTINCT log FROM t1 ORDER BY log |
| 105 | UNION |
| 106 | SELECT n FROM t1 WHERE log=3 |
| 107 | ORDER BY log; |
| 108 | }} msg] |
| 109 | lappend v $msg |
| 110 | } {1 {ORDER BY clause should come after UNION not before}} |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 111 | |
| 112 | # Except operator |
| 113 | # |
| 114 | do_test select4-3.1 { |
| 115 | execsql { |
| 116 | SELECT DISTINCT log FROM t1 |
| 117 | EXCEPT |
| 118 | SELECT n FROM t1 WHERE log=3 |
| 119 | ORDER BY log; |
| 120 | } |
| 121 | } {0 1 2 3 4} |
| 122 | do_test select4-3.2 { |
| 123 | execsql { |
| 124 | SELECT log FROM t1 WHERE n IN |
| 125 | (SELECT DISTINCT log FROM t1 EXCEPT |
| 126 | SELECT n FROM t1 WHERE log=3) |
| 127 | ORDER BY log; |
| 128 | } |
| 129 | } {0 1 2 2} |
drh | 92cd52f | 2000-06-08 01:55:29 +0000 | [diff] [blame] | 130 | do_test select4-3.3 { |
| 131 | set v [catch {execsql { |
| 132 | SELECT DISTINCT log FROM t1 ORDER BY log |
| 133 | EXCEPT |
| 134 | SELECT n FROM t1 WHERE log=3 |
| 135 | ORDER BY log; |
| 136 | }} msg] |
| 137 | lappend v $msg |
| 138 | } {1 {ORDER BY clause should come after EXCEPT not before}} |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 139 | |
| 140 | # Intersect operator |
| 141 | # |
| 142 | do_test select4-4.1 { |
| 143 | execsql { |
| 144 | SELECT DISTINCT log FROM t1 |
| 145 | INTERSECT |
| 146 | SELECT n FROM t1 WHERE log=3 |
| 147 | ORDER BY log; |
| 148 | } |
| 149 | } {5} |
| 150 | do_test select4-4.2 { |
| 151 | execsql { |
| 152 | SELECT log FROM t1 WHERE n IN |
| 153 | (SELECT DISTINCT log FROM t1 INTERSECT |
| 154 | SELECT n FROM t1 WHERE log=3) |
| 155 | ORDER BY log; |
| 156 | } |
| 157 | } {3} |
drh | 92cd52f | 2000-06-08 01:55:29 +0000 | [diff] [blame] | 158 | do_test select4-4.3 { |
| 159 | set v [catch {execsql { |
| 160 | SELECT DISTINCT log FROM t1 ORDER BY log |
| 161 | INTERSECT |
| 162 | SELECT n FROM t1 WHERE log=3 |
| 163 | ORDER BY log; |
| 164 | }} msg] |
| 165 | lappend v $msg |
| 166 | } {1 {ORDER BY clause should come after INTERSECT not before}} |
| 167 | |
| 168 | # Various error messages while processing UNION or INTERSECT |
| 169 | # |
| 170 | do_test select4-5.1 { |
| 171 | set v [catch {execsql { |
| 172 | SELECT DISTINCT log FROM t2 |
| 173 | UNION ALL |
| 174 | SELECT n FROM t1 WHERE log=3 |
| 175 | ORDER BY log; |
| 176 | }} msg] |
| 177 | lappend v $msg |
| 178 | } {1 {no such table: t2}} |
| 179 | do_test select4-5.2 { |
| 180 | set v [catch {execsql { |
| 181 | SELECT DISTINCT log AS "xyzzy" FROM t1 |
| 182 | UNION ALL |
| 183 | SELECT n FROM t1 WHERE log=3 |
| 184 | ORDER BY xyzzy; |
| 185 | }} msg] |
| 186 | lappend v $msg |
| 187 | } {0 {0 1 2 3 4 5 5 6 7 8}} |
| 188 | do_test select4-5.2b { |
| 189 | set v [catch {execsql { |
| 190 | SELECT DISTINCT log xyzzy FROM t1 |
| 191 | UNION ALL |
| 192 | SELECT n FROM t1 WHERE log=3 |
| 193 | ORDER BY 'xyzzy'; |
| 194 | }} msg] |
| 195 | lappend v $msg |
| 196 | } {0 {0 1 2 3 4 5 5 6 7 8}} |
| 197 | do_test select4-5.2c { |
| 198 | set v [catch {execsql { |
| 199 | SELECT DISTINCT log FROM t1 |
| 200 | UNION ALL |
| 201 | SELECT n FROM t1 WHERE log=3 |
| 202 | ORDER BY 'xyzzy'; |
| 203 | }} msg] |
| 204 | lappend v $msg |
| 205 | } {1 {ORDER BY term number 1 does not match any result column}} |
| 206 | do_test select4-5.2d { |
| 207 | set v [catch {execsql { |
| 208 | SELECT DISTINCT log FROM t1 |
| 209 | INTERSECT |
| 210 | SELECT n FROM t1 WHERE log=3 |
| 211 | ORDER BY 'xyzzy'; |
| 212 | }} msg] |
| 213 | lappend v $msg |
| 214 | } {1 {ORDER BY term number 1 does not match any result column}} |
| 215 | do_test select4-5.2e { |
| 216 | set v [catch {execsql { |
| 217 | SELECT DISTINCT log FROM t1 |
| 218 | UNION ALL |
| 219 | SELECT n FROM t1 WHERE log=3 |
| 220 | ORDER BY n; |
| 221 | }} msg] |
| 222 | lappend v $msg |
| 223 | } {0 {0 1 2 3 4 5 5 6 7 8}} |
| 224 | do_test select4-5.3 { |
| 225 | set v [catch {execsql { |
| 226 | SELECT DISTINCT log, n FROM t1 |
| 227 | UNION ALL |
| 228 | SELECT n FROM t1 WHERE log=3 |
| 229 | ORDER BY log; |
| 230 | }} msg] |
| 231 | lappend v $msg |
| 232 | } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}} |
| 233 | do_test select4-5.4 { |
| 234 | set v [catch {execsql { |
| 235 | SELECT log FROM t1 WHERE n=2 |
| 236 | UNION ALL |
| 237 | SELECT log FROM t1 WHERE n=3 |
| 238 | UNION ALL |
| 239 | SELECT log FROM t1 WHERE n=4 |
| 240 | UNION ALL |
| 241 | SELECT log FROM t1 WHERE n=5 |
| 242 | ORDER BY log; |
| 243 | }} msg] |
| 244 | lappend v $msg |
| 245 | } {0 {1 2 2 3}} |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 246 | |
drh | 4cfa793 | 2000-06-08 15:10:46 +0000 | [diff] [blame] | 247 | do_test select4-6.1 { |
| 248 | execsql { |
| 249 | SELECT log, count(*) as cnt FROM t1 GROUP BY log |
| 250 | UNION |
| 251 | SELECT log, n FROM t1 WHERE n=7 |
| 252 | ORDER BY cnt, log; |
| 253 | } |
| 254 | } {0 1 1 1 2 2 3 4 3 7 4 8 5 15} |
| 255 | do_test select4-6.2 { |
| 256 | execsql { |
| 257 | SELECT log, count(*) FROM t1 GROUP BY log |
| 258 | UNION |
| 259 | SELECT log, n FROM t1 WHERE n=7 |
| 260 | ORDER BY count(*), log; |
| 261 | } |
| 262 | } {0 1 1 1 2 2 3 4 3 7 4 8 5 15} |
| 263 | |
drh | 92dba24 | 2000-06-08 00:28:51 +0000 | [diff] [blame] | 264 | finish_test |