wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2001 September 15 |
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 testing the execution of SQL statements from |
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13 | # within callbacks generated by VMs that themselves open statement |
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14 | # transactions. |
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15 | # |
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16 | # $Id: tkt3718.test,v 1.2 2009/06/05 17:09:12 drh 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 | do_test tkt3718-1.1 { |
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22 | execsql { |
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23 | CREATE TABLE t1(a PRIMARY KEY, b); |
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24 | INSERT INTO t1 VALUES(1, 'one'); |
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25 | INSERT INTO t1 VALUES(2, 'two'); |
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26 | INSERT INTO t1 VALUES(3, 'three'); |
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27 | INSERT INTO t1 VALUES(4, 'four'); |
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28 | INSERT INTO t1 VALUES(5, 'five'); |
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29 | CREATE TABLE t2(a PRIMARY KEY, b); |
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30 | } |
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31 | } {} |
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32 | |||
33 | # SQL scalar function: |
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34 | # |
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35 | # f1(<arg>) |
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36 | # |
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37 | # Uses database handle [db] to execute "SELECT f2(<arg>)". Returns either |
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38 | # the results or error message from the "SELECT f2(<arg>)" query to the |
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39 | # caller. |
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40 | # |
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41 | proc f1 {args} { |
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42 | set a [lindex $args 0] |
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43 | catch { db eval {SELECT f2($a)} } msg |
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44 | set msg |
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45 | } |
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46 | |||
47 | # SQL scalar function: |
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48 | # |
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49 | # f2(<arg>) |
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50 | # |
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51 | # Return the value of <arg>. Unless <arg> is "three", in which case throw |
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52 | # an exception. |
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53 | # |
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54 | proc f2 {args} { |
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55 | set a [lindex $args 0] |
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56 | if {$a == "three"} { error "Three!!" } |
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57 | return $a |
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58 | } |
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59 | |||
60 | db func f1 f1 |
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61 | db func f2 f2 |
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62 | |||
63 | # The second INSERT statement below uses the f1 user function such that |
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64 | # half-way through the INSERT operation f1() will run an SQL statement |
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65 | # that throws an exception. At one point, before #3718 was fixed, this |
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66 | # caused the statement transaction belonging to the INSERT statement to |
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67 | # be rolled back. The result was that some (but not all) of the rows that |
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68 | # should have been inserted went missing. |
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69 | # |
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70 | do_test tkt3718-1.2 { |
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71 | execsql { |
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72 | BEGIN; |
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73 | INSERT INTO t2 SELECT a, b FROM t1; |
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74 | INSERT INTO t2 SELECT a+5, f1(b) FROM t1; |
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75 | COMMIT; |
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76 | } |
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77 | execsql { |
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78 | SELECT a FROM t2; |
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79 | } |
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80 | } {1 2 3 4 5 6 7 8 9 10} |
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81 | |||
82 | # This test turns on the count_changes pragma (causing DML statements to |
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83 | # return SQLITE_ROW once, with a single integer result value reporting the |
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84 | # number of rows affected by the statement). It then executes an INSERT |
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85 | # statement that requires a statement journal. After stepping the statement |
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86 | # once, so that it returns SQLITE_ROW, a second SQL statement that throws an |
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87 | # exception is run. At one point, before #3718 was fixed, this caused the |
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88 | # statement transaction belonging to the INSERT statement to be rolled back. |
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89 | # The result was that none of the rows were actually inserted. |
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90 | # |
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91 | # |
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92 | do_test tkt3718-1.3 { |
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93 | execsql { |
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94 | DELETE FROM t2 WHERE a > 5; |
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95 | PRAGMA count_changes = 1; |
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96 | BEGIN; |
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97 | } |
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98 | db eval {INSERT INTO t2 SELECT a+5, b||'+5' FROM t1} { |
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99 | catch { db eval {SELECT f2('three')} } msg |
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100 | } |
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101 | execsql { |
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102 | COMMIT; |
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103 | SELECT a FROM t2; |
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104 | } |
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105 | } {1 2 3 4 5 6 7 8 9 10} |
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106 | |||
107 | do_test tkt3718-1.4 { |
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108 | execsql {pragma count_changes=0} |
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109 | } {} |
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110 | |||
111 | # This SQL function executes the SQL specified as an argument against |
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112 | # database [db]. |
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113 | # |
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114 | proc sql {doit zSql} { |
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115 | if {$doit} { catchsql $zSql } |
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116 | } |
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117 | db func sql [list sql] |
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118 | |||
119 | # The following tests, tkt3718-2.*, test that a nested statement |
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120 | # transaction can be successfully committed or reverted without |
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121 | # affecting the parent statement transaction. |
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122 | # |
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123 | do_test tkt3718-2.1 { |
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124 | execsql { SELECT sql(1, 'DELETE FROM t2 WHERE a = '||a ) FROM t2 WHERE a>5 } |
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125 | execsql { SELECT a from t2 } |
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126 | } {1 2 3 4 5} |
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127 | do_test tkt3718-2.2 { |
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128 | execsql { |
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129 | DELETE FROM t2 WHERE a > 5; |
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130 | BEGIN; |
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131 | INSERT INTO t2 SELECT a+5, sql(a==3, |
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132 | 'INSERT INTO t2 SELECT a+10, f2(b) FROM t1' |
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133 | ) FROM t1; |
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134 | } |
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135 | execsql { |
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136 | COMMIT; |
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137 | SELECT a FROM t2; |
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138 | } |
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139 | } {1 2 3 4 5 6 7 8 9 10} |
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140 | do_test tkt3718-2.3 { |
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141 | execsql { |
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142 | DELETE FROM t2 WHERE a > 5; |
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143 | BEGIN; |
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144 | INSERT INTO t2 SELECT a+5, sql(a==3, |
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145 | 'INSERT INTO t2 SELECT a+10, b FROM t1' |
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146 | ) FROM t1; |
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147 | COMMIT; |
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148 | } |
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149 | execsql { SELECT a FROM t2 ORDER BY a+0} |
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150 | } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15} |
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151 | integrity_check tkt3718.2-4 |
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152 | |||
153 | # The next set of tests, tkt3718-3.*, test that a statement transaction |
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154 | # that has a committed statement transaction nested inside of it can |
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155 | # be committed or reverted. |
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156 | # |
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157 | foreach {tn io ii results} { |
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158 | 1 0 10 {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20} |
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159 | 2 1 10 {6 7 8 9 10 16 17 18 19 20} |
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160 | 3 0 11 {1 2 3 4 5 6 7 8 9 10 16 17 18 19 20} |
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161 | 4 1 11 {6 7 8 9 10 16 17 18 19 20} |
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162 | } { |
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163 | do_test tkt3718-3.$tn { |
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164 | execsql { |
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165 | DELETE FROM t2; |
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166 | INSERT INTO t2 SELECT a+5, b FROM t1; |
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167 | INSERT INTO t2 SELECT a+15, b FROM t1; |
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168 | } |
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169 | |||
170 | catchsql " |
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171 | BEGIN; |
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172 | INSERT INTO t2 SELECT a+$io, sql(a==3, |
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173 | 'INSERT INTO t2 SELECT a+$ii, b FROM t1' |
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174 | ) FROM t1; |
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175 | " |
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176 | |||
177 | execsql { COMMIT } |
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178 | |||
179 | execsql { SELECT a FROM t2 ORDER BY a+0} |
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180 | } $results |
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181 | |||
182 | integrity_check tkt3718-3.$tn.integrity |
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183 | } |
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184 | |||
185 | # This is the same test as tkt3718-3.*, but with 3 levels of nesting. |
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186 | # |
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187 | foreach {tn i1 i2 i3 results} { |
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188 | 1 0 10 20 {5 10 15 20 25 30} |
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189 | 2 0 10 21 {5 10 15 20 30} |
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190 | 3 0 11 20 {5 10 20 30} |
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191 | 4 0 11 21 {5 10 20 30} |
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192 | 5 1 10 20 {10 20 30} |
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193 | 6 1 10 21 {10 20 30} |
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194 | 7 1 11 20 {10 20 30} |
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195 | 8 1 11 21 {10 20 30} |
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196 | } { |
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197 | do_test tkt3718-4.$tn { |
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198 | execsql { |
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199 | DELETE FROM t2; |
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200 | INSERT INTO t2 SELECT a+5, b FROM t1; |
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201 | INSERT INTO t2 SELECT a+15, b FROM t1; |
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202 | INSERT INTO t2 SELECT a+25, b FROM t1; |
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203 | } |
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204 | |||
205 | catchsql " |
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206 | BEGIN; |
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207 | INSERT INTO t2 SELECT a+$i1, sql(a==3, |
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208 | 'INSERT INTO t2 SELECT a+$i2, sql(a==3, |
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209 | ''INSERT INTO t2 SELECT a+$i3, b FROM t1'' |
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210 | ) FROM t1' |
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211 | ) FROM t1; |
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212 | " |
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213 | |||
214 | execsql { COMMIT } |
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215 | |||
216 | execsql { SELECT a FROM t2 WHERE (a%5)==0 ORDER BY a+0} |
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217 | } $results |
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218 | |||
219 | do_test tkt3718-4.$tn.extra { |
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220 | execsql { |
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221 | SELECT |
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222 | (SELECT sum(a) FROM t2)==(SELECT sum(a*5-10) FROM t2 WHERE (a%5)==0) |
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223 | } |
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224 | } {1} |
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225 | |||
226 | integrity_check tkt3718-4.$tn.integrity |
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227 | } |
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228 | |||
229 | |||
230 | finish_test |