David Ghandehari | 9e5b587 | 2016-07-28 09:50:04 -0700 | [diff] [blame] | 1 | # 2004 December 07 |
| 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. |
| 12 | # |
| 13 | # This file implements tests to make sure expression of an INSERT |
| 14 | # and UPDATE statement are only evaluated once. See ticket #980. |
| 15 | # If an expression uses a function that has side-effects or which |
| 16 | # is not deterministic (ex: random()) then we want to make sure |
| 17 | # that the same evaluation occurs for the actual INSERT/UPDATE and |
| 18 | # for the NEW.* fields of any triggers that fire. |
| 19 | # |
| 20 | # $Id: trigger6.test,v 1.2 2005/05/05 11:04:50 drh Exp $ |
| 21 | |
| 22 | set testdir [file dirname $argv0] |
| 23 | source $testdir/tester.tcl |
| 24 | ifcapable {!trigger} { |
| 25 | finish_test |
| 26 | return |
| 27 | } |
| 28 | |
| 29 | do_test trigger6-1.1 { |
| 30 | execsql { |
| 31 | CREATE TABLE t1(x, y); |
| 32 | CREATE TABLE log(a, b, c); |
| 33 | CREATE TRIGGER r1 BEFORE INSERT ON t1 BEGIN |
| 34 | INSERT INTO log VALUES(1, new.x, new.y); |
| 35 | END; |
| 36 | CREATE TRIGGER r2 BEFORE UPDATE ON t1 BEGIN |
| 37 | INSERT INTO log VALUES(2, new.x, new.y); |
| 38 | END; |
| 39 | } |
| 40 | set ::trigger6_cnt 0 |
| 41 | proc trigger6_counter {args} { |
| 42 | incr ::trigger6_cnt |
| 43 | return $::trigger6_cnt |
| 44 | } |
| 45 | db function counter trigger6_counter |
| 46 | execsql { |
| 47 | INSERT INTO t1 VALUES(1,counter()); |
| 48 | SELECT * FROM t1; |
| 49 | } |
| 50 | } {1 1} |
| 51 | do_test trigger6-1.2 { |
| 52 | execsql { |
| 53 | SELECT * FROM log; |
| 54 | } |
| 55 | } {1 1 1} |
| 56 | do_test trigger6-1.3 { |
| 57 | execsql { |
| 58 | DELETE FROM t1; |
| 59 | DELETE FROM log; |
| 60 | INSERT INTO t1 VALUES(2,counter(2,3)+4); |
| 61 | SELECT * FROM t1; |
| 62 | } |
| 63 | } {2 6} |
| 64 | do_test trigger6-1.4 { |
| 65 | execsql { |
| 66 | SELECT * FROM log; |
| 67 | } |
| 68 | } {1 2 6} |
| 69 | do_test trigger6-1.5 { |
| 70 | execsql { |
| 71 | DELETE FROM log; |
| 72 | UPDATE t1 SET y=counter(5); |
| 73 | SELECT * FROM t1; |
| 74 | } |
| 75 | } {2 3} |
| 76 | do_test trigger6-1.6 { |
| 77 | execsql { |
| 78 | SELECT * FROM log; |
| 79 | } |
| 80 | } {2 2 3} |
| 81 | |
| 82 | finish_test |