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| 1 # 2008 April 14 | |
| 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 # The focus of this file is in making sure that rolling back | |
| 13 # a statement journal works correctly. | |
| 14 # | |
| 15 # $Id: tempdb.test,v 1.4 2009/06/05 17:09:12 drh Exp $ | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 | |
| 20 # Use a temporary database. | |
| 21 # | |
| 22 db close | |
| 23 sqlite3 db {} | |
| 24 | |
| 25 # Force a statement journal rollback on a database file that | |
| 26 # has never been opened. | |
| 27 # | |
| 28 do_test tempdb-1.1 { | |
| 29 execsql { | |
| 30 BEGIN; | |
| 31 CREATE TABLE t1(x UNIQUE); | |
| 32 CREATE TABLE t2(y); | |
| 33 INSERT INTO t2 VALUES('hello'); | |
| 34 INSERT INTO t2 VALUES(NULL); | |
| 35 } | |
| 36 # Because of the transaction, the temporary database file | |
| 37 # has not even been opened yet. The following statement | |
| 38 # will cause a statement journal rollback on this non-existant | |
| 39 # file. | |
| 40 catchsql { | |
| 41 INSERT INTO t1 | |
| 42 SELECT CASE WHEN y IS NULL THEN test_error('oops', 11) ELSE y END | |
| 43 FROM t2; | |
| 44 } | |
| 45 } {1 oops} | |
| 46 | |
| 47 # Verify that no writes occurred in t1. | |
| 48 # | |
| 49 do_test tempdb-1.2 { | |
| 50 execsql { | |
| 51 SELECT * FROM t1 | |
| 52 } | |
| 53 } {} | |
| 54 | |
| 55 do_test tempdb-2.1 { | |
| 56 # Set $::jrnl_in_memory if the journal file is expected to be in-memory. | |
| 57 # Similarly, set $::subj_in_memory if the sub-journal file is expected | |
| 58 # to be in memory. These variables are used to calculate the expected | |
| 59 # number of open files in the test cases below. | |
| 60 # | |
| 61 set jrnl_in_memory [expr { | |
| 62 [info exists ::permutations_test_prefix] && | |
| 63 $::permutations_test_prefix eq "inmemory_journal" | |
| 64 }] | |
| 65 set subj_in_memory [expr {$jrnl_in_memory || $TEMP_STORE == 3}] | |
| 66 | |
| 67 db close | |
| 68 sqlite3 db test.db | |
| 69 } {} | |
| 70 do_test tempdb-2.2 { | |
| 71 execsql { | |
| 72 CREATE TABLE t1 (a PRIMARY KEY, b, c); | |
| 73 CREATE TABLE t2 (a, b, c); | |
| 74 BEGIN; | |
| 75 INSERT INTO t1 VALUES(1, 2, 3); | |
| 76 INSERT INTO t1 VALUES(4, 5, 6); | |
| 77 INSERT INTO t2 SELECT * FROM t1; | |
| 78 } | |
| 79 catchsql { INSERT INTO t1 SELECT * FROM t2 } | |
| 80 set sqlite_open_file_count | |
| 81 } [expr 1 + (0==$jrnl_in_memory) + (0==$subj_in_memory)] | |
| 82 do_test tempdb-2.3 { | |
| 83 execsql { | |
| 84 PRAGMA temp_store = 'memory'; | |
| 85 ROLLBACK; | |
| 86 BEGIN; | |
| 87 INSERT INTO t1 VALUES(1, 2, 3); | |
| 88 INSERT INTO t1 VALUES(4, 5, 6); | |
| 89 INSERT INTO t2 SELECT * FROM t1; | |
| 90 } | |
| 91 catchsql { INSERT INTO t1 SELECT * FROM t2 } | |
| 92 set sqlite_open_file_count | |
| 93 } [expr 1 + (0==$jrnl_in_memory)] | |
| 94 | |
| 95 finish_test | |
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