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| 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 |
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