1 # The author disclaims copyright to this source code. In place of 2 # a legal notice, here is a blessing: 3 # 4 # May you do good and not evil. 5 # May you find forgiveness for yourself and forgive others. 6 # May you share freely, never taking more than you give. 7 # 8 #*********************************************************************** 9 # 10 # This file tests the RAISE() function. 11 # 12 13 14 set testdir [file dirname $argv0] 15 source $testdir/tester.tcl 16 ifcapable {!trigger} { 17 finish_test 18 return 19 } 20 21 # The tests in this file were written before SQLite supported recursive } 22 # trigger invocation, and some tests depend on that to pass. So disable 23 # recursive triggers for this file. 24 catchsql { pragma recursive_triggers = off } 25 26 # Test that we can cause ROLLBACK, FAIL and ABORT correctly 27 # 28 catchsql { CREATE TABLE tbl(a, b ,c) } 29 execsql { 30 CREATE TRIGGER before_tbl_insert BEFORE INSERT ON tbl BEGIN SELECT CASE 31 WHEN (new.a = 4) THEN RAISE(IGNORE) END; 32 END; 33 34 CREATE TRIGGER after_tbl_insert AFTER INSERT ON tbl BEGIN SELECT CASE 35 WHEN (new.a = 1) THEN RAISE(ABORT, 'Trigger abort') 36 WHEN (new.a = 2) THEN RAISE(FAIL, 'Trigger fail') 37 WHEN (new.a = 3) THEN RAISE(ROLLBACK, 'Trigger rollback') END; 38 END; 39 } 40 # ABORT 41 do_test trigger3-1.1 { 42 catchsql { 43 BEGIN; 44 INSERT INTO tbl VALUES (5, 5, 6); 45 INSERT INTO tbl VALUES (1, 5, 6); 46 } 47 } {1 {Trigger abort}} 48 do_test trigger3-1.2 { 49 execsql { 50 SELECT * FROM tbl; 51 ROLLBACK; 52 } 53 } {5 5 6} 54 do_test trigger3-1.3 { 55 execsql {SELECT * FROM tbl} 56 } {} 57 58 # FAIL 59 do_test trigger3-2.1 { 60 catchsql { 61 BEGIN; 62 INSERT INTO tbl VALUES (5, 5, 6); 63 INSERT INTO tbl VALUES (2, 5, 6); 64 } 65 } {1 {Trigger fail}} 66 do_test trigger3-2.2 { 67 execsql { 68 SELECT * FROM tbl; 69 ROLLBACK; 70 } 71 } {5 5 6 2 5 6} 72 # ROLLBACK 73 do_test trigger3-3.1 { 74 catchsql { 75 BEGIN; 76 INSERT INTO tbl VALUES (5, 5, 6); 77 INSERT INTO tbl VALUES (3, 5, 6); 78 } 79 } {1 {Trigger rollback}} 80 do_test trigger3-3.2 { 81 execsql { 82 SELECT * FROM tbl; 83 } 84 } {} 85 86 # Verify that a ROLLBACK trigger works like a FAIL trigger if 87 # we are not within a transaction. Ticket #3035. 88 # 89 do_test trigger3-3.3 { 90 catchsql {COMMIT} 91 catchsql { 92 INSERT INTO tbl VALUES (3, 9, 10); 93 } 94 } {1 {Trigger rollback}} 95 do_test trigger3-3.4 { 96 execsql {SELECT * FROM tbl} 97 } {} 98 99 # IGNORE 100 do_test trigger3-4.1 { 101 catchsql { 102 BEGIN; 103 INSERT INTO tbl VALUES (5, 5, 6); 104 INSERT INTO tbl VALUES (4, 5, 6); 105 } 106 } {0 {}} 107 do_test trigger3-4.2 { 108 execsql { 109 SELECT * FROM tbl; 110 ROLLBACK; 111 } 112 } {5 5 6} 113 114 # Check that we can also do RAISE(IGNORE) for UPDATE and DELETE 115 execsql {DROP TABLE tbl;} 116 execsql {CREATE TABLE tbl (a, b, c);} 117 execsql {INSERT INTO tbl VALUES(1, 2, 3);} 118 execsql {INSERT INTO tbl VALUES(4, 5, 6);} 119 execsql { 120 CREATE TRIGGER before_tbl_update BEFORE UPDATE ON tbl BEGIN 121 SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END; 122 END; 123 124 CREATE TRIGGER before_tbl_delete BEFORE DELETE ON tbl BEGIN 125 SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END; 126 END; 127 } 128 do_test trigger3-5.1 { 129 execsql { 130 UPDATE tbl SET c = 10; 131 SELECT * FROM tbl; 132 } 133 } {1 2 3 4 5 10} 134 do_test trigger3-5.2 { 135 execsql { 136 DELETE FROM tbl; 137 SELECT * FROM tbl; 138 } 139 } {1 2 3} 140 141 # Check that RAISE(IGNORE) works correctly for nested triggers: 142 execsql {CREATE TABLE tbl2(a, b, c)} 143 execsql { 144 CREATE TRIGGER after_tbl2_insert AFTER INSERT ON tbl2 BEGIN 145 UPDATE tbl SET c = 10; 146 INSERT INTO tbl2 VALUES (new.a, new.b, new.c); 147 END; 148 } 149 do_test trigger3-6 { 150 execsql { 151 INSERT INTO tbl2 VALUES (1, 2, 3); 152 SELECT * FROM tbl2; 153 SELECT * FROM tbl; 154 } 155 } {1 2 3 1 2 3 1 2 3} 156 157 # Check that things also work for view-triggers 158 159 ifcapable view { 160 161 execsql {CREATE VIEW tbl_view AS SELECT * FROM tbl} 162 execsql { 163 CREATE TRIGGER tbl_view_insert INSTEAD OF INSERT ON tbl_view BEGIN 164 SELECT CASE WHEN (new.a = 1) THEN RAISE(ROLLBACK, 'View rollback') 165 WHEN (new.a = 2) THEN RAISE(IGNORE) 166 WHEN (new.a = 3) THEN RAISE(ABORT, 'View abort') END; 167 END; 168 } 169 170 do_test trigger3-7.1 { 171 catchsql { 172 INSERT INTO tbl_view VALUES(1, 2, 3); 173 } 174 } {1 {View rollback}} 175 do_test trigger3-7.2 { 176 catchsql { 177 INSERT INTO tbl_view VALUES(2, 2, 3); 178 } 179 } {0 {}} 180 do_test trigger3-7.3 { 181 catchsql { 182 INSERT INTO tbl_view VALUES(3, 2, 3); 183 } 184 } {1 {View abort}} 185 186 } ;# ifcapable view 187 188 integrity_check trigger3-8.1 189 190 catchsql { DROP TABLE tbl; } 191 catchsql { DROP TABLE tbl2; } 192 catchsql { DROP VIEW tbl_view; } 193 194 finish_test 195
