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| 1 # 2013-07-31 |
| 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 # |
| 12 # Test cases for partial indices |
| 13 # |
| 14 |
| 15 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 |
| 19 ifcapable !vtab { |
| 20 finish_test |
| 21 return |
| 22 } |
| 23 |
| 24 load_static_extension db wholenumber; |
| 25 do_test index6-1.1 { |
| 26 # Able to parse and manage partial indices |
| 27 execsql { |
| 28 CREATE TABLE t1(a,b,c); |
| 29 CREATE INDEX t1a ON t1(a) WHERE a IS NOT NULL; |
| 30 CREATE INDEX t1b ON t1(b) WHERE b>10; |
| 31 CREATE VIRTUAL TABLE nums USING wholenumber; |
| 32 INSERT INTO t1(a,b,c) |
| 33 SELECT CASE WHEN value%3!=0 THEN value END, value, value |
| 34 FROM nums WHERE value<=20; |
| 35 SELECT count(a), count(b) FROM t1; |
| 36 PRAGMA integrity_check; |
| 37 } |
| 38 } {14 20 ok} |
| 39 |
| 40 # Make sure the count(*) optimization works correctly with |
| 41 # partial indices. Ticket [a5c8ed66cae16243be6] 2013-10-03. |
| 42 # |
| 43 do_execsql_test index6-1.1.1 { |
| 44 SELECT count(*) FROM t1; |
| 45 } {20} |
| 46 |
| 47 # Error conditions during parsing... |
| 48 # |
| 49 do_test index6-1.2 { |
| 50 catchsql { |
| 51 CREATE INDEX bad1 ON t1(a,b) WHERE x IS NOT NULL; |
| 52 } |
| 53 } {1 {no such column: x}} |
| 54 do_test index6-1.3 { |
| 55 catchsql { |
| 56 CREATE INDEX bad1 ON t1(a,b) WHERE EXISTS(SELECT * FROM t1); |
| 57 } |
| 58 } {1 {subqueries prohibited in partial index WHERE clauses}} |
| 59 do_test index6-1.4 { |
| 60 catchsql { |
| 61 CREATE INDEX bad1 ON t1(a,b) WHERE a!=?1; |
| 62 } |
| 63 } {1 {parameters prohibited in partial index WHERE clauses}} |
| 64 do_test index6-1.5 { |
| 65 catchsql { |
| 66 CREATE INDEX bad1 ON t1(a,b) WHERE a!=random(); |
| 67 } |
| 68 } {1 {functions prohibited in partial index WHERE clauses}} |
| 69 do_test index6-1.6 { |
| 70 catchsql { |
| 71 CREATE INDEX bad1 ON t1(a,b) WHERE a NOT LIKE 'abc%'; |
| 72 } |
| 73 } {1 {functions prohibited in partial index WHERE clauses}} |
| 74 |
| 75 do_test index6-1.10 { |
| 76 execsql { |
| 77 ANALYZE; |
| 78 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 79 PRAGMA integrity_check; |
| 80 } |
| 81 } {{} 20 t1a {14 1} t1b {10 1} ok} |
| 82 |
| 83 # STAT1 shows the partial indices have a reduced number of |
| 84 # rows. |
| 85 # |
| 86 do_test index6-1.11 { |
| 87 execsql { |
| 88 UPDATE t1 SET a=b; |
| 89 ANALYZE; |
| 90 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 91 PRAGMA integrity_check; |
| 92 } |
| 93 } {{} 20 t1a {20 1} t1b {10 1} ok} |
| 94 |
| 95 do_test index6-1.11 { |
| 96 execsql { |
| 97 UPDATE t1 SET a=NULL WHERE b%3!=0; |
| 98 UPDATE t1 SET b=b+100; |
| 99 ANALYZE; |
| 100 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 101 PRAGMA integrity_check; |
| 102 } |
| 103 } {{} 20 t1a {6 1} t1b {20 1} ok} |
| 104 |
| 105 do_test index6-1.12 { |
| 106 execsql { |
| 107 UPDATE t1 SET a=CASE WHEN b%3!=0 THEN b END; |
| 108 UPDATE t1 SET b=b-100; |
| 109 ANALYZE; |
| 110 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 111 PRAGMA integrity_check; |
| 112 } |
| 113 } {{} 20 t1a {13 1} t1b {10 1} ok} |
| 114 |
| 115 do_test index6-1.13 { |
| 116 execsql { |
| 117 DELETE FROM t1 WHERE b BETWEEN 8 AND 12; |
| 118 ANALYZE; |
| 119 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 120 PRAGMA integrity_check; |
| 121 } |
| 122 } {{} 15 t1a {10 1} t1b {8 1} ok} |
| 123 |
| 124 do_test index6-1.14 { |
| 125 execsql { |
| 126 REINDEX; |
| 127 ANALYZE; |
| 128 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 129 PRAGMA integrity_check; |
| 130 } |
| 131 } {{} 15 t1a {10 1} t1b {8 1} ok} |
| 132 |
| 133 do_test index6-1.15 { |
| 134 execsql { |
| 135 CREATE INDEX t1c ON t1(c); |
| 136 ANALYZE; |
| 137 SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
| 138 PRAGMA integrity_check; |
| 139 } |
| 140 } {t1a {10 1} t1b {8 1} t1c {15 1} ok} |
| 141 |
| 142 # Queries use partial indices as appropriate times. |
| 143 # |
| 144 do_test index6-2.1 { |
| 145 execsql { |
| 146 CREATE TABLE t2(a,b); |
| 147 INSERT INTO t2(a,b) SELECT value, value FROM nums WHERE value<1000; |
| 148 UPDATE t2 SET a=NULL WHERE b%2==0; |
| 149 CREATE INDEX t2a1 ON t2(a) WHERE a IS NOT NULL; |
| 150 SELECT count(*) FROM t2 WHERE a IS NOT NULL; |
| 151 } |
| 152 } {500} |
| 153 do_test index6-2.2 { |
| 154 execsql { |
| 155 EXPLAIN QUERY PLAN |
| 156 SELECT * FROM t2 WHERE a=5; |
| 157 } |
| 158 } {/.* TABLE t2 USING INDEX t2a1 .*/} |
| 159 ifcapable stat4||stat3 { |
| 160 execsql ANALYZE |
| 161 do_test index6-2.3stat4 { |
| 162 execsql { |
| 163 EXPLAIN QUERY PLAN |
| 164 SELECT * FROM t2 WHERE a IS NOT NULL; |
| 165 } |
| 166 } {/.* TABLE t2 USING INDEX t2a1 .*/} |
| 167 } else { |
| 168 do_test index6-2.3stat4 { |
| 169 execsql { |
| 170 EXPLAIN QUERY PLAN |
| 171 SELECT * FROM t2 WHERE a IS NOT NULL AND a>0; |
| 172 } |
| 173 } {/.* TABLE t2 USING INDEX t2a1 .*/} |
| 174 } |
| 175 do_test index6-2.4 { |
| 176 execsql { |
| 177 EXPLAIN QUERY PLAN |
| 178 SELECT * FROM t2 WHERE a IS NULL; |
| 179 } |
| 180 } {~/.*INDEX t2a1.*/} |
| 181 |
| 182 do_execsql_test index6-2.101 { |
| 183 DROP INDEX t2a1; |
| 184 UPDATE t2 SET a=b, b=b+10000; |
| 185 SELECT b FROM t2 WHERE a=15; |
| 186 } {10015} |
| 187 do_execsql_test index6-2.102 { |
| 188 CREATE INDEX t2a2 ON t2(a) WHERE a<100 OR a>200; |
| 189 SELECT b FROM t2 WHERE a=15; |
| 190 PRAGMA integrity_check; |
| 191 } {10015 ok} |
| 192 do_execsql_test index6-2.102eqp { |
| 193 EXPLAIN QUERY PLAN |
| 194 SELECT b FROM t2 WHERE a=15; |
| 195 } {~/.*INDEX t2a2.*/} |
| 196 do_execsql_test index6-2.103 { |
| 197 SELECT b FROM t2 WHERE a=15 AND a<100; |
| 198 } {10015} |
| 199 do_execsql_test index6-2.103eqp { |
| 200 EXPLAIN QUERY PLAN |
| 201 SELECT b FROM t2 WHERE a=15 AND a<100; |
| 202 } {/.*INDEX t2a2.*/} |
| 203 do_execsql_test index6-2.104 { |
| 204 SELECT b FROM t2 WHERE a=515 AND a>200; |
| 205 } {10515} |
| 206 do_execsql_test index6-2.104eqp { |
| 207 EXPLAIN QUERY PLAN |
| 208 SELECT b FROM t2 WHERE a=515 AND a>200; |
| 209 } {/.*INDEX t2a2.*/} |
| 210 |
| 211 # Partial UNIQUE indices |
| 212 # |
| 213 do_execsql_test index6-3.1 { |
| 214 CREATE TABLE t3(a,b); |
| 215 INSERT INTO t3 SELECT value, value FROM nums WHERE value<200; |
| 216 UPDATE t3 SET a=999 WHERE b%5!=0; |
| 217 CREATE UNIQUE INDEX t3a ON t3(a) WHERE a<>999; |
| 218 } {} |
| 219 do_test index6-3.2 { |
| 220 # unable to insert a duplicate row a-value that is not 999. |
| 221 catchsql { |
| 222 INSERT INTO t3(a,b) VALUES(150, 'test1'); |
| 223 } |
| 224 } {1 {UNIQUE constraint failed: t3.a}} |
| 225 do_test index6-3.3 { |
| 226 # can insert multiple rows with a==999 because such rows are not |
| 227 # part of the unique index. |
| 228 catchsql { |
| 229 INSERT INTO t3(a,b) VALUES(999, 'test1'), (999, 'test2'); |
| 230 } |
| 231 } {0 {}} |
| 232 do_execsql_test index6-3.4 { |
| 233 SELECT count(*) FROM t3 WHERE a=999; |
| 234 } {162} |
| 235 integrity_check index6-3.5 |
| 236 |
| 237 do_execsql_test index6-4.0 { |
| 238 VACUUM; |
| 239 PRAGMA integrity_check; |
| 240 } {ok} |
| 241 |
| 242 # Silently ignore database name qualifiers in partial indices. |
| 243 # |
| 244 do_execsql_test index6-5.0 { |
| 245 CREATE INDEX t3b ON t3(b) WHERE xyzzy.t3.b BETWEEN 5 AND 10; |
| 246 /* ^^^^^-- ignored */ |
| 247 ANALYZE; |
| 248 SELECT count(*) FROM t3 WHERE t3.b BETWEEN 5 AND 10; |
| 249 SELECT stat+0 FROM sqlite_stat1 WHERE idx='t3b'; |
| 250 } {6 6} |
| 251 |
| 252 # Test case for ticket [2ea3e9fe6379fc3f6ce7e090ce483c1a3a80d6c9] from |
| 253 # 2014-04-13: Partial index causes assertion fault on UPDATE OR REPLACE. |
| 254 # |
| 255 do_execsql_test index6-6.0 { |
| 256 CREATE TABLE t6(a,b); |
| 257 CREATE UNIQUE INDEX t6ab ON t1(a,b); |
| 258 CREATE INDEX t6b ON t6(b) WHERE b=1; |
| 259 INSERT INTO t6(a,b) VALUES(123,456); |
| 260 SELECT * FROM t6; |
| 261 } {123 456} |
| 262 do_execsql_test index6-6.1 { |
| 263 UPDATE OR REPLACE t6 SET b=789; |
| 264 SELECT * FROM t6; |
| 265 } {123 789} |
| 266 do_execsql_test index6-6.2 { |
| 267 PRAGMA integrity_check; |
| 268 } {ok} |
| 269 |
| 270 |
| 271 finish_test |
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