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| 1 # 2012 October 13 | |
| 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 # The tests in this file verify that if an empty database (zero bytes in | |
| 13 # size) is used as the source of a backup operation, the final destination | |
| 14 # database is one page in size. | |
| 15 # | |
| 16 # The destination must consist of at least one page as truncating a | |
| 17 # database file to zero bytes is equivalent to resetting the database | |
| 18 # schema cookie and change counter. Doing that could cause other clients | |
| 19 # to become confused and continue using out-of-date cache data. | |
| 20 # | |
| 21 | |
| 22 set testdir [file dirname $argv0] | |
| 23 source $testdir/tester.tcl | |
| 24 set testprefix backup4 | |
| 25 | |
| 26 #------------------------------------------------------------------------- | |
| 27 # At one point this test was failing because [db] was using an out of | |
| 28 # date schema in test case 1.2. | |
| 29 # | |
| 30 do_execsql_test 1.0 { | |
| 31 CREATE TABLE t1(x, y, UNIQUE(x, y)); | |
| 32 INSERT INTO t1 VALUES('one', 'two'); | |
| 33 SELECT * FROM t1 WHERE x='one'; | |
| 34 PRAGMA integrity_check; | |
| 35 } {one two ok} | |
| 36 | |
| 37 do_test 1.1 { | |
| 38 sqlite3 db1 :memory: | |
| 39 db1 backup test.db | |
| 40 sqlite3 db1 test.db | |
| 41 db1 eval { | |
| 42 CREATE TABLE t1(x, y); | |
| 43 INSERT INTO t1 VALUES('one', 'two'); | |
| 44 } | |
| 45 db1 close | |
| 46 } {} | |
| 47 | |
| 48 do_execsql_test 1.2 { | |
| 49 SELECT * FROM t1 WHERE x='one'; | |
| 50 PRAGMA integrity_check; | |
| 51 } {one two ok} | |
| 52 | |
| 53 db close | |
| 54 forcedelete test.db | |
| 55 forcedelete test.db2 | |
| 56 sqlite3 db test.db | |
| 57 | |
| 58 #------------------------------------------------------------------------- | |
| 59 # Test that if the source is zero bytes, the destination database | |
| 60 # consists of a single page only. | |
| 61 # | |
| 62 do_execsql_test 2.1 { | |
| 63 CREATE TABLE t1(a, b); | |
| 64 CREATE INDEX i1 ON t1(a, b); | |
| 65 } | |
| 66 do_test 2.2 { file size test.db } [expr $AUTOVACUUM ? 4096 : 3072] | |
| 67 | |
| 68 do_test 2.3 { | |
| 69 sqlite3 db1 test.db2 | |
| 70 db1 backup test.db | |
| 71 db1 close | |
| 72 file size test.db | |
| 73 } {1024} | |
| 74 | |
| 75 do_test 2.4 { file size test.db2 } 0 | |
| 76 | |
| 77 db close | |
| 78 forcedelete test.db | |
| 79 forcedelete test.db2 | |
| 80 sqlite3 db test.db | |
| 81 | |
| 82 #------------------------------------------------------------------------- | |
| 83 # Test that if the destination has a page-size larger than the implicit | |
| 84 # page-size of the source, the final destination database still consists | |
| 85 # of a single page. | |
| 86 # | |
| 87 do_execsql_test 3.1 { | |
| 88 PRAGMA page_size = 4096; | |
| 89 CREATE TABLE t1(a, b); | |
| 90 CREATE INDEX i1 ON t1(a, b); | |
| 91 } | |
| 92 do_test 3.2 { file size test.db } [expr $AUTOVACUUM ? 16384 : 12288] | |
| 93 | |
| 94 do_test 3.3 { | |
| 95 sqlite3 db1 test.db2 | |
| 96 db1 backup test.db | |
| 97 db1 close | |
| 98 file size test.db | |
| 99 } {1024} | |
| 100 | |
| 101 do_test 3.4 { file size test.db2 } 0 | |
| 102 | |
| 103 finish_test | |
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Chromium Code Reviews
Issue 2846743003:
[sql] Remove SQLite 3.10.2 reference directory. (Closed)
