wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2004 June 30 |
2 | # |
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3 | # The author disclaims copyright to this source code. In place of |
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4 | # a legal notice, here is a blessing: |
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5 | # |
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6 | # May you do good and not evil. |
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7 | # May you find forgiveness for yourself and forgive others. |
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8 | # May you share freely, never taking more than you give. |
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9 | # |
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10 | #*********************************************************************** |
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11 | # This file implements regression tests for SQLite library. The |
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12 | # focus of this file is verifying that a rollback in one statement |
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13 | # caused by an ON CONFLICT ROLLBACK clause aborts any other pending |
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14 | # statements. |
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15 | # |
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16 | # $Id: rollback.test,v 1.11 2009/06/26 07:12:07 danielk1977 Exp $ |
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17 | |||
18 | set testdir [file dirname $argv0] |
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19 | source $testdir/tester.tcl |
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20 | |||
21 | set DB [sqlite3_connection_pointer db] |
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22 | |||
23 | do_test rollback-1.1 { |
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24 | execsql { |
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25 | CREATE TABLE t1(a); |
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26 | INSERT INTO t1 VALUES(1); |
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27 | INSERT INTO t1 VALUES(2); |
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28 | INSERT INTO t1 VALUES(3); |
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29 | INSERT INTO t1 VALUES(4); |
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30 | SELECT * FROM t1; |
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31 | } |
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32 | } {1 2 3 4} |
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33 | |||
34 | ifcapable conflict { |
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35 | do_test rollback-1.2 { |
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36 | execsql { |
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37 | CREATE TABLE t3(a unique on conflict rollback); |
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38 | INSERT INTO t3 SELECT a FROM t1; |
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39 | BEGIN; |
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40 | INSERT INTO t1 SELECT * FROM t1; |
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41 | } |
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42 | } {} |
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43 | } |
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44 | do_test rollback-1.3 { |
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45 | set STMT [sqlite3_prepare $DB "SELECT a FROM t1" -1 TAIL] |
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46 | sqlite3_step $STMT |
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47 | } {SQLITE_ROW} |
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48 | |||
49 | ifcapable conflict { |
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50 | # This causes a ROLLBACK, which deletes the table out from underneath the |
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51 | # SELECT statement. |
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52 | # |
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53 | do_test rollback-1.4 { |
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54 | catchsql { |
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55 | INSERT INTO t3 SELECT a FROM t1; |
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56 | } |
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57 | } {1 {column a is not unique}} |
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58 | |||
59 | # Try to continue with the SELECT statement |
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60 | # |
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61 | do_test rollback-1.5 { |
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62 | sqlite3_step $STMT |
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63 | } {SQLITE_ERROR} |
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64 | |||
65 | # Restart the SELECT statement |
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66 | # |
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67 | do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_ABORT} |
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68 | } else { |
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69 | do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK} |
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70 | } |
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71 | |||
72 | do_test rollback-1.7 { |
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73 | sqlite3_step $STMT |
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74 | } {SQLITE_ROW} |
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75 | do_test rollback-1.8 { |
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76 | sqlite3_step $STMT |
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77 | } {SQLITE_ROW} |
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78 | do_test rollback-1.9 { |
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79 | sqlite3_finalize $STMT |
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80 | } {SQLITE_OK} |
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81 | |||
82 | if {$tcl_platform(platform) == "unix" |
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83 | && [permutation] ne "onefile" |
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84 | && [permutation] ne "inmemory_journal" |
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85 | } { |
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86 | do_test rollback-2.1 { |
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87 | execsql { |
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88 | BEGIN; |
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89 | INSERT INTO t3 VALUES('hello world'); |
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90 | } |
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91 | file copy -force test.db testA.db |
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92 | file copy -force test.db-journal testA.db-journal |
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93 | execsql { |
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94 | COMMIT; |
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95 | } |
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96 | } {} |
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97 | |||
98 | # At this point files testA.db and testA.db-journal are present in the |
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99 | # file system. This block adds a master-journal file pointer to the |
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100 | # end of testA.db-journal. The master-journal file does not exist. |
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101 | # |
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102 | set mj [file normalize testA.db-mj-123] |
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103 | binary scan $mj c* a |
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104 | set cksum 0 |
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105 | foreach i $a { incr cksum $i } |
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106 | set mj_pgno [expr $sqlite_pending_byte / 1024] |
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107 | set zAppend [binary format Ia*IIa8 $mj_pgno $mj [string length $mj] $cksum \ |
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108 | "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7" |
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109 | ] |
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110 | set iOffset [expr (([file size testA.db-journal] + 511)/512)*512] |
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111 | set fd [open testA.db-journal a+] |
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112 | fconfigure $fd -encoding binary -translation binary |
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113 | seek $fd $iOffset |
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114 | puts -nonewline $fd $zAppend |
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115 | |||
116 | # Also, fix the first journal-header in the journal-file. Because the |
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117 | # journal file has not yet been synced, the 8-byte magic string at the |
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118 | # start of the first journal-header has not been written by SQLite. |
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119 | # So write it now. |
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120 | seek $fd 0 |
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121 | puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7" |
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122 | close $fd |
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123 | |||
124 | # Open a handle on testA.db and use it to query the database. At one |
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125 | # point the first query would attempt a hot rollback, attempt to open |
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126 | # the master-journal file and return SQLITE_CANTOPEN when it could not |
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127 | # be opened. This is incorrect, it should simply delete the journal |
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128 | # file and proceed with the query. |
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129 | # |
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130 | do_test rollback-2.2 { |
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131 | sqlite3 db2 testA.db |
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132 | execsql { |
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133 | SELECT distinct tbl_name FROM sqlite_master; |
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134 | } db2 |
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135 | } {t1 t3} |
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136 | if {[lsearch {exclusive persistent_journal no_journal} [permutation]]<0} { |
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137 | do_test rollback-2.3 { |
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138 | file exists testA.db-journal |
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139 | } 0 |
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140 | } |
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141 | do_test rollback-2.4 { |
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142 | execsql { |
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143 | SELECT distinct tbl_name FROM sqlite_master; |
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144 | } db2 |
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145 | } {t1 t3} |
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146 | |||
147 | db2 close |
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148 | } |
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149 | |||
150 | finish_test |