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| 1 # 2010 November 29 | |
| 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 # This file implements tests to verify that the "testable statements" in | |
| 13 # the lang_droptrigger.html document are correct. | |
| 14 # | |
| 15 | |
| 16 set testdir [file dirname $argv0] | |
| 17 source $testdir/tester.tcl | |
| 18 set ::testprefix e_droptrigger | |
| 19 | |
| 20 ifcapable !trigger { finish_test ; return } | |
| 21 | |
| 22 proc do_droptrigger_tests {nm args} { | |
| 23 uplevel do_select_tests [list e_createtable-$nm] $args | |
| 24 } | |
| 25 | |
| 26 proc list_all_triggers {{db db}} { | |
| 27 set res [list] | |
| 28 $db eval { PRAGMA database_list } { | |
| 29 if {$name == "temp"} { | |
| 30 set tbl sqlite_temp_master | |
| 31 } else { | |
| 32 set tbl "$name.sqlite_master" | |
| 33 } | |
| 34 lappend res {*}[ | |
| 35 db eval "SELECT '$name.' || name FROM $tbl WHERE type = 'trigger'" | |
| 36 ] | |
| 37 } | |
| 38 set res | |
| 39 } | |
| 40 | |
| 41 | |
| 42 proc droptrigger_reopen_db {{event INSERT}} { | |
| 43 db close | |
| 44 forcedelete test.db test.db2 | |
| 45 sqlite3 db test.db | |
| 46 | |
| 47 set ::triggers_fired [list] | |
| 48 proc r {x} { lappend ::triggers_fired $x } | |
| 49 db func r r | |
| 50 | |
| 51 db eval " | |
| 52 ATTACH 'test.db2' AS aux; | |
| 53 | |
| 54 CREATE TEMP TABLE t1(a, b); | |
| 55 INSERT INTO t1 VALUES('a', 'b'); | |
| 56 CREATE TRIGGER tr1 AFTER $event ON t1 BEGIN SELECT r('temp.tr1') ; END; | |
| 57 | |
| 58 CREATE TABLE t2(a, b); | |
| 59 INSERT INTO t2 VALUES('a', 'b'); | |
| 60 CREATE TRIGGER tr1 BEFORE $event ON t2 BEGIN SELECT r('main.tr1') ; END; | |
| 61 CREATE TRIGGER tr2 AFTER $event ON t2 BEGIN SELECT r('main.tr2') ; END; | |
| 62 | |
| 63 CREATE TABLE aux.t3(a, b); | |
| 64 INSERT INTO t3 VALUES('a', 'b'); | |
| 65 CREATE TRIGGER aux.tr1 BEFORE $event ON t3 BEGIN SELECT r('aux.tr1') ; END; | |
| 66 CREATE TRIGGER aux.tr2 AFTER $event ON t3 BEGIN SELECT r('aux.tr2') ; END; | |
| 67 CREATE TRIGGER aux.tr3 AFTER $event ON t3 BEGIN SELECT r('aux.tr3') ; END; | |
| 68 " | |
| 69 } | |
| 70 | |
| 71 | |
| 72 # -- syntax diagram drop-trigger-stmt | |
| 73 # | |
| 74 do_droptrigger_tests 1.1 -repair { | |
| 75 droptrigger_reopen_db | |
| 76 } -tclquery { | |
| 77 list_all_triggers | |
| 78 } { | |
| 79 1 "DROP TRIGGER main.tr1" | |
| 80 {main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3} | |
| 81 2 "DROP TRIGGER IF EXISTS main.tr1" | |
| 82 {main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3} | |
| 83 3 "DROP TRIGGER tr1" | |
| 84 {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3} | |
| 85 4 "DROP TRIGGER IF EXISTS tr1" | |
| 86 {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3} | |
| 87 | |
| 88 5 "DROP TRIGGER aux.tr1" | |
| 89 {main.tr1 main.tr2 temp.tr1 aux.tr2 aux.tr3} | |
| 90 6 "DROP TRIGGER IF EXISTS aux.tr1" | |
| 91 {main.tr1 main.tr2 temp.tr1 aux.tr2 aux.tr3} | |
| 92 | |
| 93 7 "DROP TRIGGER IF EXISTS aux.xxx" | |
| 94 {main.tr1 main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3} | |
| 95 8 "DROP TRIGGER IF EXISTS aux.xxx" | |
| 96 {main.tr1 main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3} | |
| 97 } | |
| 98 | |
| 99 # EVIDENCE-OF: R-61172-15671 The DROP TRIGGER statement removes a | |
| 100 # trigger created by the CREATE TRIGGER statement. | |
| 101 # | |
| 102 foreach {tn tbl droptrigger before after} { | |
| 103 1 t1 "DROP TRIGGER tr1" {temp.tr1} {} | |
| 104 2 t2 "DROP TRIGGER tr1" {main.tr1 main.tr2} {main.tr1 main.tr2} | |
| 105 3 t3 "DROP TRIGGER tr1" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2} | |
| 106 | |
| 107 4 t1 "DROP TRIGGER tr2" {temp.tr1} {temp.tr1} | |
| 108 5 t2 "DROP TRIGGER tr2" {main.tr1 main.tr2} {main.tr1} | |
| 109 6 t3 "DROP TRIGGER tr2" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2} | |
| 110 | |
| 111 7 t1 "DROP TRIGGER tr3" {temp.tr1} {temp.tr1} | |
| 112 8 t2 "DROP TRIGGER tr3" {main.tr1 main.tr2} {main.tr1 main.tr2} | |
| 113 9 t3 "DROP TRIGGER tr3" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr2} | |
| 114 } { | |
| 115 | |
| 116 do_test 2.$tn.1 { | |
| 117 droptrigger_reopen_db | |
| 118 execsql " INSERT INTO $tbl VALUES('1', '2') " | |
| 119 set ::triggers_fired | |
| 120 } $before | |
| 121 | |
| 122 do_test 2.$tn.2 { | |
| 123 droptrigger_reopen_db | |
| 124 execsql $droptrigger | |
| 125 execsql " INSERT INTO $tbl VALUES('1', '2') " | |
| 126 set ::triggers_fired | |
| 127 } $after | |
| 128 } | |
| 129 | |
| 130 # EVIDENCE-OF: R-50239-29811 Once removed, the trigger definition is no | |
| 131 # longer present in the sqlite_master (or sqlite_temp_master) table and | |
| 132 # is not fired by any subsequent INSERT, UPDATE or DELETE statements. | |
| 133 # | |
| 134 # Test cases e_droptrigger-1.* test the first part of this statement | |
| 135 # (that dropped triggers do not appear in the schema table), and tests | |
| 136 # droptrigger-2.* test that dropped triggers are not fired by INSERT | |
| 137 # statements. The following tests verify that they are not fired by | |
| 138 # UPDATE or DELETE statements. | |
| 139 # | |
| 140 foreach {tn tbl droptrigger before after} { | |
| 141 1 t1 "DROP TRIGGER tr1" {temp.tr1} {} | |
| 142 2 t2 "DROP TRIGGER tr1" {main.tr1 main.tr2} {main.tr1 main.tr2} | |
| 143 3 t3 "DROP TRIGGER tr1" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2} | |
| 144 | |
| 145 4 t1 "DROP TRIGGER tr2" {temp.tr1} {temp.tr1} | |
| 146 5 t2 "DROP TRIGGER tr2" {main.tr1 main.tr2} {main.tr1} | |
| 147 6 t3 "DROP TRIGGER tr2" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2} | |
| 148 | |
| 149 7 t1 "DROP TRIGGER tr3" {temp.tr1} {temp.tr1} | |
| 150 8 t2 "DROP TRIGGER tr3" {main.tr1 main.tr2} {main.tr1 main.tr2} | |
| 151 9 t3 "DROP TRIGGER tr3" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr2} | |
| 152 } { | |
| 153 | |
| 154 do_test 3.1.$tn.1 { | |
| 155 droptrigger_reopen_db UPDATE | |
| 156 execsql "UPDATE $tbl SET a = 'abc'" | |
| 157 set ::triggers_fired | |
| 158 } $before | |
| 159 | |
| 160 do_test 3.1.$tn.2 { | |
| 161 droptrigger_reopen_db UPDATE | |
| 162 execsql $droptrigger | |
| 163 execsql "UPDATE $tbl SET a = 'abc'" | |
| 164 set ::triggers_fired | |
| 165 } $after | |
| 166 } | |
| 167 foreach {tn tbl droptrigger before after} { | |
| 168 1 t1 "DROP TRIGGER tr1" {temp.tr1} {} | |
| 169 2 t2 "DROP TRIGGER tr1" {main.tr1 main.tr2} {main.tr1 main.tr2} | |
| 170 3 t3 "DROP TRIGGER tr1" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2} | |
| 171 | |
| 172 4 t1 "DROP TRIGGER tr2" {temp.tr1} {temp.tr1} | |
| 173 5 t2 "DROP TRIGGER tr2" {main.tr1 main.tr2} {main.tr1} | |
| 174 6 t3 "DROP TRIGGER tr2" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2} | |
| 175 | |
| 176 7 t1 "DROP TRIGGER tr3" {temp.tr1} {temp.tr1} | |
| 177 8 t2 "DROP TRIGGER tr3" {main.tr1 main.tr2} {main.tr1 main.tr2} | |
| 178 9 t3 "DROP TRIGGER tr3" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr2} | |
| 179 } { | |
| 180 | |
| 181 do_test 3.2.$tn.1 { | |
| 182 droptrigger_reopen_db DELETE | |
| 183 execsql "DELETE FROM $tbl" | |
| 184 set ::triggers_fired | |
| 185 } $before | |
| 186 | |
| 187 do_test 3.2.$tn.2 { | |
| 188 droptrigger_reopen_db DELETE | |
| 189 execsql $droptrigger | |
| 190 execsql "DELETE FROM $tbl" | |
| 191 set ::triggers_fired | |
| 192 } $after | |
| 193 } | |
| 194 | |
| 195 # EVIDENCE-OF: R-37808-62273 Note that triggers are automatically | |
| 196 # dropped when the associated table is dropped. | |
| 197 # | |
| 198 do_test 4.1 { | |
| 199 droptrigger_reopen_db | |
| 200 list_all_triggers | |
| 201 } {main.tr1 main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3} | |
| 202 do_test 4.2 { | |
| 203 droptrigger_reopen_db | |
| 204 execsql "DROP TABLE t1" | |
| 205 list_all_triggers | |
| 206 } {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3} | |
| 207 do_test 4.3 { | |
| 208 droptrigger_reopen_db | |
| 209 execsql "DROP TABLE t1" | |
| 210 list_all_triggers | |
| 211 } {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3} | |
| 212 do_test 4.4 { | |
| 213 droptrigger_reopen_db | |
| 214 execsql "DROP TABLE t1" | |
| 215 list_all_triggers | |
| 216 } {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3} | |
| 217 | |
| 218 finish_test | |
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Issue 2846743003:
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