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| 1 # 2008 February 12 |
| 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. Specifically, |
| 12 # it tests issues relating to firing an INSTEAD OF trigger on a VIEW |
| 13 # when one tries to UPDATE or DELETE from the view. Does the WHERE |
| 14 # clause of the UPDATE or DELETE statement get passed down correctly |
| 15 # into the query that manifests the view? |
| 16 # |
| 17 # Ticket #2938 |
| 18 # |
| 19 |
| 20 set testdir [file dirname $argv0] |
| 21 source $testdir/tester.tcl |
| 22 ifcapable !trigger||!compound { |
| 23 finish_test |
| 24 return |
| 25 } |
| 26 |
| 27 # Create two table containing some sample data |
| 28 # |
| 29 do_test triggerA-1.1 { |
| 30 db eval { |
| 31 CREATE TABLE t1(x INTEGER PRIMARY KEY, y TEXT UNIQUE); |
| 32 CREATE TABLE t2(a INTEGER PRIMARY KEY, b INTEGER UNIQUE, c TEXT); |
| 33 } |
| 34 set i 1 |
| 35 foreach word {one two three four five six seven eight nine ten} { |
| 36 set j [expr {$i*100 + [string length $word]}] |
| 37 db eval { |
| 38 INSERT INTO t1 VALUES($i,$word); |
| 39 INSERT INTO t2 VALUES(20-$i,$j,$word); |
| 40 } |
| 41 incr i |
| 42 } |
| 43 db eval { |
| 44 SELECT count(*) FROM t1 UNION ALL SELECT count(*) FROM t2; |
| 45 } |
| 46 } {10 10} |
| 47 |
| 48 # Create views of various forms against one or both of the two tables. |
| 49 # |
| 50 do_test triggerA-1.2 { |
| 51 db eval { |
| 52 CREATE VIEW v1 AS SELECT y, x FROM t1; |
| 53 SELECT * FROM v1 ORDER BY 1; |
| 54 } |
| 55 } {eight 8 five 5 four 4 nine 9 one 1 seven 7 six 6 ten 10 three 3 two 2} |
| 56 do_test triggerA-1.3 { |
| 57 db eval { |
| 58 CREATE VIEW v2 AS SELECT x, y FROM t1 WHERE y GLOB '*e*'; |
| 59 SELECT * FROM v2 ORDER BY 1; |
| 60 } |
| 61 } {1 one 3 three 5 five 7 seven 8 eight 9 nine 10 ten} |
| 62 do_test triggerA-1.4 { |
| 63 db eval { |
| 64 CREATE VIEW v3 AS |
| 65 SELECT CAST(x AS TEXT) AS c1 FROM t1 UNION SELECT y FROM t1; |
| 66 SELECT * FROM v3 ORDER BY c1; |
| 67 } |
| 68 } {1 10 2 3 4 5 6 7 8 9 eight five four nine one seven six ten three two} |
| 69 do_test triggerA-1.5 { |
| 70 db eval { |
| 71 CREATE VIEW v4 AS |
| 72 SELECT CAST(x AS TEXT) AS c1 FROM t1 |
| 73 UNION SELECT y FROM t1 WHERE x BETWEEN 3 and 5; |
| 74 SELECT * FROM v4 ORDER BY 1; |
| 75 } |
| 76 } {1 10 2 3 4 5 6 7 8 9 five four three} |
| 77 do_test triggerA-1.6 { |
| 78 db eval { |
| 79 CREATE VIEW v5 AS SELECT x, b FROM t1, t2 WHERE y=c; |
| 80 SELECT * FROM v5 ORDER BY x DESC; |
| 81 } |
| 82 } {10 1003 9 904 8 805 7 705 6 603 5 504 4 404 3 305 2 203 1 103} |
| 83 |
| 84 # Create INSTEAD OF triggers on the views. Run UPDATE and DELETE statements |
| 85 # using those triggers. Verify correct operation. |
| 86 # |
| 87 do_test triggerA-2.1 { |
| 88 db eval { |
| 89 CREATE TABLE result2(a,b); |
| 90 CREATE TRIGGER r1d INSTEAD OF DELETE ON v1 BEGIN |
| 91 INSERT INTO result2(a,b) VALUES(old.y, old.x); |
| 92 END; |
| 93 DELETE FROM v1 WHERE x=5; |
| 94 SELECT * FROM result2; |
| 95 } |
| 96 } {five 5} |
| 97 do_test triggerA-2.2 { |
| 98 db eval { |
| 99 CREATE TABLE result4(a,b,c,d); |
| 100 CREATE TRIGGER r1u INSTEAD OF UPDATE ON v1 BEGIN |
| 101 INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x); |
| 102 END; |
| 103 UPDATE v1 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5; |
| 104 SELECT * FROM result4 ORDER BY a; |
| 105 } |
| 106 } {five 5 five-extra 5 four 4 four-extra 4 three 3 three-extra 3} |
| 107 |
| 108 |
| 109 do_test triggerA-2.3 { |
| 110 db eval { |
| 111 DELETE FROM result2; |
| 112 CREATE TRIGGER r2d INSTEAD OF DELETE ON v2 BEGIN |
| 113 INSERT INTO result2(a,b) VALUES(old.y, old.x); |
| 114 END; |
| 115 DELETE FROM v2 WHERE x=5; |
| 116 SELECT * FROM result2; |
| 117 } |
| 118 } {five 5} |
| 119 do_test triggerA-2.4 { |
| 120 db eval { |
| 121 DELETE FROM result4; |
| 122 CREATE TRIGGER r2u INSTEAD OF UPDATE ON v2 BEGIN |
| 123 INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x); |
| 124 END; |
| 125 UPDATE v2 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5; |
| 126 SELECT * FROM result4 ORDER BY a; |
| 127 } |
| 128 } {five 5 five-extra 5 three 3 three-extra 3} |
| 129 |
| 130 |
| 131 do_test triggerA-2.5 { |
| 132 db eval { |
| 133 CREATE TABLE result1(a); |
| 134 CREATE TRIGGER r3d INSTEAD OF DELETE ON v3 BEGIN |
| 135 INSERT INTO result1(a) VALUES(old.c1); |
| 136 END; |
| 137 DELETE FROM v3 WHERE c1 BETWEEN '8' AND 'eight'; |
| 138 SELECT * FROM result1 ORDER BY a; |
| 139 } |
| 140 } {8 9 eight} |
| 141 do_test triggerA-2.6 { |
| 142 db eval { |
| 143 DELETE FROM result2; |
| 144 CREATE TRIGGER r3u INSTEAD OF UPDATE ON v3 BEGIN |
| 145 INSERT INTO result2(a,b) VALUES(old.c1, new.c1); |
| 146 END; |
| 147 UPDATE v3 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight'; |
| 148 SELECT * FROM result2 ORDER BY a; |
| 149 } |
| 150 } {8 8-extra 9 9-extra eight eight-extra} |
| 151 |
| 152 |
| 153 do_test triggerA-2.7 { |
| 154 db eval { |
| 155 DELETE FROM result1; |
| 156 CREATE TRIGGER r4d INSTEAD OF DELETE ON v4 BEGIN |
| 157 INSERT INTO result1(a) VALUES(old.c1); |
| 158 END; |
| 159 DELETE FROM v4 WHERE c1 BETWEEN '8' AND 'eight'; |
| 160 SELECT * FROM result1 ORDER BY a; |
| 161 } |
| 162 } {8 9} |
| 163 do_test triggerA-2.8 { |
| 164 db eval { |
| 165 DELETE FROM result2; |
| 166 CREATE TRIGGER r4u INSTEAD OF UPDATE ON v4 BEGIN |
| 167 INSERT INTO result2(a,b) VALUES(old.c1, new.c1); |
| 168 END; |
| 169 UPDATE v4 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight'; |
| 170 SELECT * FROM result2 ORDER BY a; |
| 171 } |
| 172 } {8 8-extra 9 9-extra} |
| 173 |
| 174 |
| 175 do_test triggerA-2.9 { |
| 176 db eval { |
| 177 DELETE FROM result2; |
| 178 CREATE TRIGGER r5d INSTEAD OF DELETE ON v5 BEGIN |
| 179 INSERT INTO result2(a,b) VALUES(old.x, old.b); |
| 180 END; |
| 181 DELETE FROM v5 WHERE x=5; |
| 182 SELECT * FROM result2; |
| 183 } |
| 184 } {5 504} |
| 185 do_test triggerA-2.10 { |
| 186 db eval { |
| 187 DELETE FROM result4; |
| 188 CREATE TRIGGER r5u INSTEAD OF UPDATE ON v5 BEGIN |
| 189 INSERT INTO result4(a,b,c,d) VALUES(old.x, old.b, new.x, new.b); |
| 190 END; |
| 191 UPDATE v5 SET b = b+9900000 WHERE x BETWEEN 3 AND 5; |
| 192 SELECT * FROM result4 ORDER BY a; |
| 193 } |
| 194 } {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504} |
| 195 |
| 196 # Only run the reamining tests if memory debugging is turned on. |
| 197 # |
| 198 ifcapable !memdebug { |
| 199 puts "Skipping triggerA malloc tests: not compiled with -DSQLITE_MEMDEBUG..." |
| 200 finish_test |
| 201 return |
| 202 } |
| 203 source $testdir/malloc_common.tcl |
| 204 |
| 205 # Save a copy of the current database configuration. |
| 206 # |
| 207 db close |
| 208 file delete -force test.db-triggerA |
| 209 file copy test.db test.db-triggerA |
| 210 sqlite3 db test.db |
| 211 |
| 212 # Run malloc tests on the INSTEAD OF trigger firing. |
| 213 # |
| 214 do_malloc_test triggerA-3 -tclprep { |
| 215 db close |
| 216 file delete -force test.db test.db-journal |
| 217 file copy -force test.db-triggerA test.db |
| 218 sqlite3 db test.db |
| 219 sqlite3_extended_result_codes db 1 |
| 220 db eval {SELECT * FROM v5; -- warm up the cache} |
| 221 } -sqlbody { |
| 222 DELETE FROM v5 WHERE x=5; |
| 223 UPDATE v5 SET b=b+9900000 WHERE x BETWEEN 3 AND 5; |
| 224 } |
| 225 |
| 226 # Clean up the saved database copy. |
| 227 # |
| 228 file delete -force test.db-triggerA |
| 229 |
| 230 finish_test |
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