dan | f0ee1d3 | 2015-09-12 19:26:11 +0000 | [diff] [blame] | 1 | # 2005 August 24 |
| 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. The |
| 12 | # focus of this script is a test of the DELETE command. |
| 13 | # |
| 14 | |
| 15 | set testdir [file dirname $argv0] |
| 16 | source $testdir/tester.tcl |
| 17 | set testprefix delete4 |
| 18 | |
| 19 | do_execsql_test 1.1 { |
| 20 | CREATE TABLE t1(x INTEGER PRIMARY KEY, y); |
| 21 | INSERT INTO t1 VALUES(1, 0); |
| 22 | INSERT INTO t1 VALUES(2, 1); |
| 23 | INSERT INTO t1 VALUES(3, 0); |
| 24 | INSERT INTO t1 VALUES(4, 1); |
| 25 | INSERT INTO t1 VALUES(5, 0); |
| 26 | INSERT INTO t1 VALUES(6, 1); |
| 27 | INSERT INTO t1 VALUES(7, 0); |
| 28 | INSERT INTO t1 VALUES(8, 1); |
| 29 | } |
| 30 | do_execsql_test 1.2 { |
| 31 | DELETE FROM t1 WHERE y=1; |
| 32 | } |
| 33 | do_execsql_test 1.3 { |
| 34 | SELECT x FROM t1; |
| 35 | } {1 3 5 7} |
| 36 | |
| 37 | #------------------------------------------------------------------------- |
| 38 | # |
| 39 | reset_db |
| 40 | do_execsql_test 2.1 { |
| 41 | CREATE TABLE t1(x INTEGER PRIMARY KEY, y, z); |
| 42 | INSERT INTO t1 VALUES(1, 0, randomblob(200)); |
| 43 | INSERT INTO t1 VALUES(2, 1, randomblob(200)); |
| 44 | INSERT INTO t1 VALUES(3, 0, randomblob(200)); |
| 45 | INSERT INTO t1 VALUES(4, 1, randomblob(200)); |
| 46 | INSERT INTO t1 VALUES(5, 0, randomblob(200)); |
| 47 | INSERT INTO t1 VALUES(6, 1, randomblob(200)); |
| 48 | INSERT INTO t1 VALUES(7, 0, randomblob(200)); |
| 49 | INSERT INTO t1 VALUES(8, 1, randomblob(200)); |
| 50 | } |
| 51 | do_execsql_test 2.2 { |
| 52 | DELETE FROM t1 WHERE y=1; |
| 53 | } |
| 54 | do_execsql_test 2.3 { |
| 55 | SELECT x FROM t1; |
| 56 | } {1 3 5 7} |
| 57 | |
| 58 | |
| 59 | #------------------------------------------------------------------------- |
| 60 | # |
| 61 | reset_db |
drh | a6df0e6 | 2021-06-03 18:51:51 +0000 | [diff] [blame] | 62 | do_execsql_test 3.0.1 { |
dan | f0ee1d3 | 2015-09-12 19:26:11 +0000 | [diff] [blame] | 63 | CREATE TABLE t1(a, b, PRIMARY KEY(a, b)) WITHOUT ROWID; |
| 64 | INSERT INTO t1 VALUES(1, 2); |
| 65 | INSERT INTO t1 VALUES(2, 4); |
| 66 | INSERT INTO t1 VALUES(1, 5); |
| 67 | DELETE FROM t1 WHERE a=1; |
drh | a6df0e6 | 2021-06-03 18:51:51 +0000 | [diff] [blame] | 68 | SELECT printf('(%d)',changes()); |
dan | f0ee1d3 | 2015-09-12 19:26:11 +0000 | [diff] [blame] | 69 | SELECT * FROM t1; |
drh | a6df0e6 | 2021-06-03 18:51:51 +0000 | [diff] [blame] | 70 | } {(2) 2 4} |
| 71 | do_execsql_test 3.0.2 { |
| 72 | WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100) |
| 73 | INSERT INTO t1(a,b) SELECT x, x+1 FROM c; |
| 74 | SELECT printf('(%d)',changes()); |
| 75 | DELETE FROM t1; |
| 76 | SELECT printf('(%d)',changes()); |
| 77 | } {(100) (101)} |
dan | f0ee1d3 | 2015-09-12 19:26:11 +0000 | [diff] [blame] | 78 | |
| 79 | #------------------------------------------------------------------------- |
| 80 | # DELETE statement that uses the OR optimization |
| 81 | # |
| 82 | reset_db |
| 83 | do_execsql_test 3.1 { |
| 84 | CREATE TABLE t1(i INTEGER PRIMARY KEY, a, b); |
| 85 | CREATE INDEX i1a ON t1(a); |
| 86 | CREATE INDEX i1b ON t1(b); |
| 87 | INSERT INTO t1 VALUES(1, 'one', 'i'); |
| 88 | INSERT INTO t1 VALUES(2, 'two', 'ii'); |
| 89 | INSERT INTO t1 VALUES(3, 'three', 'iii'); |
| 90 | INSERT INTO t1 VALUES(4, 'four', 'iv'); |
| 91 | INSERT INTO t1 VALUES(5, 'one', 'i'); |
| 92 | INSERT INTO t1 VALUES(6, 'two', 'ii'); |
| 93 | INSERT INTO t1 VALUES(7, 'three', 'iii'); |
| 94 | INSERT INTO t1 VALUES(8, 'four', 'iv'); |
| 95 | } {} |
| 96 | |
| 97 | do_execsql_test 3.2 { |
| 98 | DELETE FROM t1 WHERE a='two' OR b='iv'; |
| 99 | } |
| 100 | |
| 101 | do_execsql_test 3.3 { |
| 102 | SELECT i FROM t1 ORDER BY i; |
| 103 | } {1 3 5 7} |
| 104 | |
| 105 | do_execsql_test 3.4 { |
| 106 | PRAGMA integrity_check; |
| 107 | } {ok} |
| 108 | |
drh | 3169713 | 2015-09-28 15:08:28 +0000 | [diff] [blame] | 109 | # Between 2015-09-14 and 2015-09-28, the following test cases would result |
| 110 | # in corruption (wrong # of entries in index) due to a bug in the ONEPASS |
| 111 | # optimization. |
| 112 | # |
| 113 | do_execsql_test 4.1 { |
| 114 | DROP TABLE IF EXISTS t4; |
| 115 | CREATE TABLE t4(col0, col1); |
| 116 | INSERT INTO "t4" VALUES(14, 'abcde'); |
| 117 | CREATE INDEX idx_t4_0 ON t4 (col1, col0); |
| 118 | CREATE INDEX idx_t4_3 ON t4 (col0); |
| 119 | DELETE FROM t4 WHERE col0=69 OR col0>7; |
| 120 | PRAGMA integrity_check; |
| 121 | } {ok} |
| 122 | do_execsql_test 4.2 { |
| 123 | DROP TABLE IF EXISTS t4; |
| 124 | CREATE TABLE t4(col0, col1); |
| 125 | INSERT INTO "t4" VALUES(14, 'abcde'); |
| 126 | CREATE INDEX idx_t4_3 ON t4 (col0); |
| 127 | CREATE INDEX idx_t4_0 ON t4 (col1, col0); |
| 128 | DELETE FROM t4 WHERE col0=69 OR col0>7; |
| 129 | PRAGMA integrity_check; |
| 130 | } {ok} |
| 131 | do_execsql_test 4.11 { |
| 132 | DROP TABLE IF EXISTS t4; |
| 133 | CREATE TABLE t4(col0, col1, pk PRIMARY KEY) WITHOUT ROWID; |
| 134 | INSERT INTO t4 VALUES(14, 'abcde','xyzzy'); |
| 135 | CREATE INDEX idx_t4_0 ON t4 (col1, col0); |
| 136 | CREATE INDEX idx_t4_3 ON t4 (col0); |
| 137 | DELETE FROM t4 WHERE col0=69 OR col0>7; |
| 138 | PRAGMA integrity_check; |
| 139 | } {ok} |
| 140 | do_execsql_test 4.12 { |
| 141 | DROP TABLE IF EXISTS t4; |
| 142 | CREATE TABLE t4(col0, col1, pk PRIMARY KEY) WITHOUT ROWID; |
| 143 | INSERT INTO t4 VALUES(14, 'abcde','xyzzy'); |
| 144 | CREATE INDEX idx_t4_3 ON t4 (col0); |
| 145 | CREATE INDEX idx_t4_0 ON t4 (col1, col0); |
| 146 | DELETE FROM t4 WHERE col0=69 OR col0>7; |
| 147 | PRAGMA integrity_check; |
| 148 | } {ok} |
| 149 | |
drh | bfc7a8b | 2016-04-09 17:04:05 +0000 | [diff] [blame] | 150 | # 2016-04-09 |
| 151 | # Ticket https://sqlite.org/src/info/a306e56ff68b8fa5 |
| 152 | # Failure to completely delete when reverse_unordered_selects is |
| 153 | # engaged. |
| 154 | # |
| 155 | db close |
| 156 | forcedelete test.db |
| 157 | sqlite3 db test.db |
| 158 | do_execsql_test 5.0 { |
| 159 | PRAGMA page_size=1024; |
| 160 | CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c); |
| 161 | CREATE INDEX x1 ON t1(b, c); |
| 162 | INSERT INTO t1(a,b,c) VALUES(1, 1, zeroblob(80)); |
| 163 | INSERT INTO t1(a,b,c) SELECT a+1, 1, c FROM t1; |
| 164 | INSERT INTO t1(a,b,c) SELECT a+2, 1, c FROM t1; |
| 165 | INSERT INTO t1(a,b,c) SELECT a+10, 2, c FROM t1 WHERE b=1; |
| 166 | INSERT INTO t1(a,b,c) SELECT a+20, 3, c FROM t1 WHERE b=1; |
| 167 | PRAGMA reverse_unordered_selects = ON; |
| 168 | DELETE FROM t1 WHERE b=2; |
| 169 | SELECT a FROM t1 WHERE b=2; |
| 170 | } {} |
dan | f0ee1d3 | 2015-09-12 19:26:11 +0000 | [diff] [blame] | 171 | |
drh | 57a07ba | 2016-05-02 12:18:56 +0000 | [diff] [blame] | 172 | # 2016-05-02 |
| 173 | # Ticket https://www.sqlite.org/src/tktview/dc6ebeda93960877 |
| 174 | # A subquery in the WHERE clause of a one-pass DELETE can cause an |
| 175 | # incorrect answer. |
| 176 | # |
| 177 | db close |
| 178 | forcedelete test.db |
| 179 | sqlite3 db test.db |
| 180 | do_execsql_test 6.0 { |
| 181 | CREATE TABLE t2(x INT); |
| 182 | INSERT INTO t2(x) VALUES(1),(2),(3),(4),(5); |
| 183 | DELETE FROM t2 WHERE EXISTS(SELECT 1 FROM t2 AS v WHERE v.x=t2.x-1); |
| 184 | SELECT x FROM t2; |
| 185 | } {1} |
| 186 | do_execsql_test 6.1 { |
| 187 | DROP TABLE IF EXISTS t2; |
| 188 | CREATE TABLE t2(x INT); |
| 189 | INSERT INTO t2(x) VALUES(1),(2),(3),(4),(5); |
| 190 | DELETE FROM t2 WHERE EXISTS(SELECT 1 FROM t2 AS v WHERE v.x=t2.x+1); |
| 191 | SELECT x FROM t2; |
| 192 | } {5} |
| 193 | |
dan | b84b38f | 2019-04-04 17:58:34 +0000 | [diff] [blame] | 194 | #------------------------------------------------------------------------- |
| 195 | # Test the effect of failing to find a table row based on an index key |
| 196 | # within a DELETE. Either because the db is corrupt, or a trigger on another |
| 197 | # row already deleted the entry, or because a BEFORE trigger on the current |
| 198 | # row has already deleted it. |
| 199 | # |
| 200 | do_execsql_test 7.1.0 { |
| 201 | CREATE TABLE t3(id INT PRIMARY KEY, a, b) WITHOUT ROWID; |
| 202 | CREATE INDEX t3a ON t3(a); |
| 203 | CREATE INDEX t3b ON t3(b); |
| 204 | |
| 205 | INSERT INTO t3 VALUES(1, 1, 1); |
| 206 | INSERT INTO t3 VALUES(2, 2, 2); |
| 207 | INSERT INTO t3 VALUES(3, 3, 3); |
| 208 | INSERT INTO t3 VALUES(4, 4, 1); |
| 209 | } |
| 210 | do_execsql_test 7.1.1 { |
| 211 | DELETE FROM t3 WHERE a=4 OR b=1; |
| 212 | } |
| 213 | do_execsql_test 7.1.2 { |
| 214 | SELECT * FROM t3; |
| 215 | } { 2 2 2 3 3 3 } |
| 216 | |
| 217 | do_execsql_test 7.2.0 { |
| 218 | CREATE TABLE t4(a PRIMARY KEY, b) WITHOUT ROWID; |
| 219 | CREATE INDEX t4i ON t4(b); |
| 220 | INSERT INTO t4 VALUES(1, 'hello'); |
| 221 | INSERT INTO t4 VALUES(2, 'world'); |
| 222 | |
| 223 | CREATE TABLE t5(a PRIMARY KEY, b) WITHOUT ROWID; |
| 224 | CREATE INDEX t5i ON t5(b); |
| 225 | INSERT INTO t5 VALUES(1, 'hello'); |
| 226 | INSERT INTO t5 VALUES(3, 'world'); |
| 227 | |
| 228 | PRAGMA writable_schema = 1; |
| 229 | UPDATE sqlite_master SET rootpage = ( |
| 230 | SELECT rootpage FROM sqlite_master WHERE name = 't5' |
| 231 | ) WHERE name = 't4'; |
| 232 | } |
| 233 | |
| 234 | db close |
| 235 | sqlite3 db test.db |
| 236 | do_execsql_test 7.2.1 { |
| 237 | DELETE FROM t4 WHERE b='world' |
| 238 | } |
| 239 | reset_db |
| 240 | |
| 241 | do_execsql_test 7.3.0 { |
| 242 | CREATE TABLE t3(id INT PRIMARY KEY, a, b) WITHOUT ROWID; |
| 243 | INSERT INTO t3 VALUES(1, 2, 3); |
| 244 | INSERT INTO t3 VALUES(4, 5, 6); |
| 245 | INSERT INTO t3 VALUES(7, 8, 9); |
| 246 | CREATE TRIGGER t3t BEFORE DELETE ON t3 BEGIN |
| 247 | DELETE FROM t3 WHERE id=old.id+3; |
| 248 | END; |
| 249 | } |
| 250 | |
| 251 | do_execsql_test 7.3.1 { |
| 252 | DELETE FROM t3 WHERE a IN(2, 5, 8); |
| 253 | SELECT * FROM t3; |
| 254 | } {} |
| 255 | |
| 256 | do_execsql_test 7.3.2 { |
| 257 | DROP TRIGGER t3t; |
| 258 | INSERT INTO t3 VALUES(1, 2, 3); |
| 259 | INSERT INTO t3 VALUES(4, 5, 6); |
| 260 | INSERT INTO t3 VALUES(7, 8, 9); |
| 261 | CREATE TRIGGER t3t BEFORE DELETE ON t3 BEGIN |
| 262 | DELETE FROM t3 WHERE id=old.id; |
| 263 | END; |
| 264 | } |
| 265 | |
| 266 | do_execsql_test 7.3.3 { |
| 267 | DELETE FROM t3 WHERE a IN(2, 5, 8); |
| 268 | SELECT * FROM t3; |
| 269 | } {} |
| 270 | |
drh | 57a07ba | 2016-05-02 12:18:56 +0000 | [diff] [blame] | 271 | |
dan | f0ee1d3 | 2015-09-12 19:26:11 +0000 | [diff] [blame] | 272 | finish_test |