OLD | NEW |
(Empty) | |
| 1 # 2005 July 22 |
| 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 # This file implements tests for the ANALYZE command. |
| 13 # |
| 14 # $Id: analyze.test,v 1.9 2008/08/11 18:44:58 drh Exp $ |
| 15 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 |
| 19 # There is nothing to test if ANALYZE is disable for this build. |
| 20 # |
| 21 ifcapable {!analyze} { |
| 22 finish_test |
| 23 return |
| 24 } |
| 25 |
| 26 # Basic sanity checks. |
| 27 # |
| 28 do_test analyze-1.1 { |
| 29 catchsql { |
| 30 ANALYZE no_such_table |
| 31 } |
| 32 } {1 {no such table: no_such_table}} |
| 33 do_test analyze-1.2 { |
| 34 execsql { |
| 35 SELECT count(*) FROM sqlite_master WHERE name='sqlite_stat1' |
| 36 } |
| 37 } {0} |
| 38 do_test analyze-1.3 { |
| 39 catchsql { |
| 40 ANALYZE no_such_db.no_such_table |
| 41 } |
| 42 } {1 {unknown database no_such_db}} |
| 43 do_test analyze-1.4 { |
| 44 execsql { |
| 45 SELECT count(*) FROM sqlite_master WHERE name='sqlite_stat1' |
| 46 } |
| 47 } {0} |
| 48 do_test analyze-1.5.1 { |
| 49 catchsql { |
| 50 ANALYZE |
| 51 } |
| 52 } {0 {}} |
| 53 do_test analyze-1.5.2 { |
| 54 catchsql { |
| 55 PRAGMA empty_result_callbacks=1; |
| 56 ANALYZE |
| 57 } |
| 58 } {0 {}} |
| 59 do_test analyze-1.6 { |
| 60 execsql { |
| 61 SELECT count(*) FROM sqlite_master WHERE name='sqlite_stat1' |
| 62 } |
| 63 } {1} |
| 64 do_test analyze-1.6.2 { |
| 65 catchsql { |
| 66 CREATE INDEX stat1idx ON sqlite_stat1(idx); |
| 67 } |
| 68 } {1 {table sqlite_stat1 may not be indexed}} |
| 69 do_test analyze-1.6.3 { |
| 70 catchsql { |
| 71 CREATE INDEX main.stat1idx ON SQLite_stat1(idx); |
| 72 } |
| 73 } {1 {table sqlite_stat1 may not be indexed}} |
| 74 do_test analyze-1.7 { |
| 75 execsql { |
| 76 SELECT * FROM sqlite_stat1 WHERE idx NOT NULL |
| 77 } |
| 78 } {} |
| 79 do_test analyze-1.8 { |
| 80 catchsql { |
| 81 ANALYZE main |
| 82 } |
| 83 } {0 {}} |
| 84 do_test analyze-1.9 { |
| 85 execsql { |
| 86 SELECT * FROM sqlite_stat1 WHERE idx NOT NULL |
| 87 } |
| 88 } {} |
| 89 do_test analyze-1.10 { |
| 90 catchsql { |
| 91 CREATE TABLE t1(a,b); |
| 92 ANALYZE main.t1; |
| 93 } |
| 94 } {0 {}} |
| 95 do_test analyze-1.11 { |
| 96 execsql { |
| 97 SELECT * FROM sqlite_stat1 |
| 98 } |
| 99 } {} |
| 100 do_test analyze-1.12 { |
| 101 catchsql { |
| 102 ANALYZE t1; |
| 103 } |
| 104 } {0 {}} |
| 105 do_test analyze-1.13 { |
| 106 execsql { |
| 107 SELECT * FROM sqlite_stat1 |
| 108 } |
| 109 } {} |
| 110 |
| 111 # Create some indices that can be analyzed. But do not yet add |
| 112 # data. Without data in the tables, no analysis is done. |
| 113 # |
| 114 do_test analyze-2.1 { |
| 115 execsql { |
| 116 CREATE INDEX t1i1 ON t1(a); |
| 117 ANALYZE main.t1; |
| 118 SELECT * FROM sqlite_stat1 ORDER BY idx; |
| 119 } |
| 120 } {} |
| 121 do_test analyze-2.2 { |
| 122 execsql { |
| 123 CREATE INDEX t1i2 ON t1(b); |
| 124 ANALYZE t1; |
| 125 SELECT * FROM sqlite_stat1 ORDER BY idx; |
| 126 } |
| 127 } {} |
| 128 do_test analyze-2.3 { |
| 129 execsql { |
| 130 CREATE INDEX t1i3 ON t1(a,b); |
| 131 ANALYZE main; |
| 132 SELECT * FROM sqlite_stat1 ORDER BY idx; |
| 133 } |
| 134 } {} |
| 135 |
| 136 # Start adding data to the table. Verify that the analysis |
| 137 # is done correctly. |
| 138 # |
| 139 do_test analyze-3.1 { |
| 140 execsql { |
| 141 INSERT INTO t1 VALUES(1,2); |
| 142 INSERT INTO t1 VALUES(1,3); |
| 143 ANALYZE main.t1; |
| 144 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 145 } |
| 146 } {t1i1 {2 2} t1i2 {2 1} t1i3 {2 2 1}} |
| 147 do_test analyze-3.2 { |
| 148 execsql { |
| 149 INSERT INTO t1 VALUES(1,4); |
| 150 INSERT INTO t1 VALUES(1,5); |
| 151 ANALYZE t1; |
| 152 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 153 } |
| 154 } {t1i1 {4 4} t1i2 {4 1} t1i3 {4 4 1}} |
| 155 do_test analyze-3.3 { |
| 156 execsql { |
| 157 INSERT INTO t1 VALUES(2,5); |
| 158 ANALYZE main; |
| 159 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 160 } |
| 161 } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1}} |
| 162 do_test analyze-3.4 { |
| 163 execsql { |
| 164 CREATE TABLE t2 AS SELECT * FROM t1; |
| 165 CREATE INDEX t2i1 ON t2(a); |
| 166 CREATE INDEX t2i2 ON t2(b); |
| 167 CREATE INDEX t2i3 ON t2(a,b); |
| 168 ANALYZE; |
| 169 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 170 } |
| 171 } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3} t2i2 {5 2} t2i3 {5 3 1}} |
| 172 do_test analyze-3.5 { |
| 173 execsql { |
| 174 DROP INDEX t2i3; |
| 175 ANALYZE t1; |
| 176 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 177 } |
| 178 } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3} t2i2 {5 2}} |
| 179 do_test analyze-3.6 { |
| 180 execsql { |
| 181 ANALYZE t2; |
| 182 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 183 } |
| 184 } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3} t2i2 {5 2}} |
| 185 do_test analyze-3.7 { |
| 186 execsql { |
| 187 DROP INDEX t2i2; |
| 188 ANALYZE t2; |
| 189 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 190 } |
| 191 } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3}} |
| 192 do_test analyze-3.8 { |
| 193 execsql { |
| 194 CREATE TABLE t3 AS SELECT a, b, rowid AS c, 'hi' AS d FROM t1; |
| 195 CREATE INDEX t3i1 ON t3(a); |
| 196 CREATE INDEX t3i2 ON t3(a,b,c,d); |
| 197 CREATE INDEX t3i3 ON t3(d,b,c,a); |
| 198 DROP TABLE t1; |
| 199 DROP TABLE t2; |
| 200 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 201 } |
| 202 } {} |
| 203 do_test analyze-3.9 { |
| 204 execsql { |
| 205 ANALYZE; |
| 206 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 207 } |
| 208 } {t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1}} |
| 209 |
| 210 do_test analyze-3.10 { |
| 211 execsql { |
| 212 CREATE TABLE [silly " name](a, b, c); |
| 213 CREATE INDEX 'foolish '' name' ON [silly " name](a, b); |
| 214 CREATE INDEX 'another foolish '' name' ON [silly " name](c); |
| 215 INSERT INTO [silly " name] VALUES(1, 2, 3); |
| 216 INSERT INTO [silly " name] VALUES(4, 5, 6); |
| 217 ANALYZE; |
| 218 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 219 } |
| 220 } {{another foolish ' name} {2 1} {foolish ' name} {2 1 1} t3i1 {5 3} t3i2 {5 3
1 1 1} t3i3 {5 5 2 1 1}} |
| 221 do_test analyze-3.11 { |
| 222 execsql { |
| 223 DROP INDEX "foolish ' name"; |
| 224 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 225 } |
| 226 } {{another foolish ' name} {2 1} t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1}} |
| 227 do_test analyze-3.11 { |
| 228 execsql { |
| 229 DROP TABLE "silly "" name"; |
| 230 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 231 } |
| 232 } {t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1}} |
| 233 |
| 234 # Try corrupting the sqlite_stat1 table and make sure the |
| 235 # database is still able to function. |
| 236 # |
| 237 do_test analyze-4.0 { |
| 238 sqlite3 db2 test.db |
| 239 db2 eval { |
| 240 CREATE TABLE t4(x,y,z); |
| 241 CREATE INDEX t4i1 ON t4(x); |
| 242 CREATE INDEX t4i2 ON t4(y); |
| 243 INSERT INTO t4 SELECT a,b,c FROM t3; |
| 244 } |
| 245 db2 close |
| 246 db close |
| 247 sqlite3 db test.db |
| 248 execsql { |
| 249 ANALYZE; |
| 250 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 251 } |
| 252 } {t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1} t4i1 {5 3} t4i2 {5 2}} |
| 253 do_test analyze-4.1 { |
| 254 execsql { |
| 255 PRAGMA writable_schema=on; |
| 256 INSERT INTO sqlite_stat1 VALUES(null,null,null); |
| 257 PRAGMA writable_schema=off; |
| 258 } |
| 259 db close |
| 260 sqlite3 db test.db |
| 261 execsql { |
| 262 SELECT * FROM t4 WHERE x=1234; |
| 263 } |
| 264 } {} |
| 265 do_test analyze-4.2 { |
| 266 execsql { |
| 267 PRAGMA writable_schema=on; |
| 268 DELETE FROM sqlite_stat1; |
| 269 INSERT INTO sqlite_stat1 VALUES('t4','t4i1','nonsense'); |
| 270 INSERT INTO sqlite_stat1 VALUES('t4','t4i2','1208973498172387410928731982734
09187234918720394817209384710928374109827172901827349871928741910'); |
| 271 PRAGMA writable_schema=off; |
| 272 } |
| 273 db close |
| 274 sqlite3 db test.db |
| 275 execsql { |
| 276 SELECT * FROM t4 WHERE x=1234; |
| 277 } |
| 278 } {} |
| 279 do_test analyze-4.3 { |
| 280 execsql { |
| 281 INSERT INTO sqlite_stat1 VALUES('t4','xyzzy','0 1 2 3'); |
| 282 } |
| 283 db close |
| 284 sqlite3 db test.db |
| 285 execsql { |
| 286 SELECT * FROM t4 WHERE x=1234; |
| 287 } |
| 288 } {} |
| 289 |
| 290 # This test corrupts the database file so it must be the last test |
| 291 # in the series. |
| 292 # |
| 293 do_test analyze-99.1 { |
| 294 execsql { |
| 295 PRAGMA writable_schema=on; |
| 296 UPDATE sqlite_master SET sql='nonsense' WHERE name='sqlite_stat1'; |
| 297 } |
| 298 db close |
| 299 catch { sqlite3 db test.db } |
| 300 catchsql { |
| 301 ANALYZE |
| 302 } |
| 303 } {1 {malformed database schema (sqlite_stat1) - near "nonsense": syntax error}} |
| 304 |
| 305 |
| 306 finish_test |
OLD | NEW |