wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2008 January 1 |
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. Specifically, |
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12 | # it tests some compiler optimizations for SQL statements featuring |
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13 | # triggers: |
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14 | # |
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15 | # |
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16 | # |
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17 | |||
18 | # trigger9-1.* - Test that if there are no references to OLD.* cols, or a |
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19 | # reference to only OLD.rowid, the data is not loaded. |
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20 | # |
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21 | # trigger9-2.* - Test that for NEW.* records populated by UPDATE |
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22 | # statements, unused fields are populated with NULL values. |
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23 | # |
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24 | # trigger9-3.* - Test that the temporary tables used for OLD.* references |
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25 | # in "INSTEAD OF" triggers have NULL values in unused |
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26 | # fields. |
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27 | # |
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28 | |||
29 | set testdir [file dirname $argv0] |
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30 | source $testdir/tester.tcl |
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31 | ifcapable {!trigger} { |
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32 | finish_test |
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33 | return |
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34 | } |
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35 | |||
36 | proc has_rowdata {sql} { |
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37 | expr {[lsearch [execsql "explain $sql"] RowData]>=0} |
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38 | } |
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39 | |||
40 | do_test trigger9-1.1 { |
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41 | execsql { |
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42 | PRAGMA page_size = 1024; |
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43 | CREATE TABLE t1(x, y, z); |
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44 | INSERT INTO t1 VALUES('1', randstr(10000,10000), '2'); |
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45 | INSERT INTO t1 VALUES('2', randstr(10000,10000), '4'); |
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46 | INSERT INTO t1 VALUES('3', randstr(10000,10000), '6'); |
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47 | CREATE TABLE t2(x); |
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48 | } |
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49 | } {} |
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50 | |||
51 | do_test trigger9-1.2.1 { |
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52 | execsql { |
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53 | BEGIN; |
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54 | CREATE TRIGGER trig1 BEFORE DELETE ON t1 BEGIN |
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55 | INSERT INTO t2 VALUES(old.rowid); |
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56 | END; |
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57 | DELETE FROM t1; |
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58 | SELECT * FROM t2; |
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59 | } |
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60 | } {1 2 3} |
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61 | do_test trigger9-1.2.3 { |
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62 | has_rowdata {DELETE FROM t1} |
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63 | } 0 |
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64 | do_test trigger9-1.2.4 { execsql { ROLLBACK } } {} |
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65 | |||
66 | do_test trigger9-1.3.1 { |
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67 | execsql { |
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68 | BEGIN; |
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69 | CREATE TRIGGER trig1 BEFORE DELETE ON t1 BEGIN |
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70 | INSERT INTO t2 VALUES(old.x); |
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71 | END; |
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72 | DELETE FROM t1; |
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73 | SELECT * FROM t2; |
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74 | } |
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75 | } {1 2 3} |
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76 | do_test trigger9-1.3.2 { |
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77 | has_rowdata {DELETE FROM t1} |
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78 | } 0 |
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79 | do_test trigger9-1.3.3 { execsql { ROLLBACK } } {} |
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80 | |||
81 | do_test trigger9-1.4.1 { |
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82 | execsql { |
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83 | BEGIN; |
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84 | CREATE TRIGGER trig1 BEFORE DELETE ON t1 WHEN old.x='1' BEGIN |
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85 | INSERT INTO t2 VALUES(old.rowid); |
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86 | END; |
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87 | DELETE FROM t1; |
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88 | SELECT * FROM t2; |
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89 | } |
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90 | } {1} |
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91 | do_test trigger9-1.4.2 { |
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92 | has_rowdata {DELETE FROM t1} |
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93 | } 0 |
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94 | do_test trigger9-1.4.3 { execsql { ROLLBACK } } {} |
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95 | |||
96 | do_test trigger9-1.5.1 { |
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97 | execsql { |
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98 | BEGIN; |
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99 | CREATE TRIGGER trig1 BEFORE UPDATE ON t1 BEGIN |
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100 | INSERT INTO t2 VALUES(old.rowid); |
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101 | END; |
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102 | UPDATE t1 SET y = ''; |
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103 | SELECT * FROM t2; |
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104 | } |
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105 | } {1 2 3} |
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106 | do_test trigger9-1.5.2 { |
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107 | has_rowdata {UPDATE t1 SET y = ''} |
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108 | } 0 |
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109 | do_test trigger9-1.5.3 { execsql { ROLLBACK } } {} |
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110 | |||
111 | do_test trigger9-1.6.1 { |
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112 | execsql { |
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113 | BEGIN; |
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114 | CREATE TRIGGER trig1 BEFORE UPDATE ON t1 BEGIN |
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115 | INSERT INTO t2 VALUES(old.x); |
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116 | END; |
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117 | UPDATE t1 SET y = ''; |
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118 | SELECT * FROM t2; |
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119 | } |
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120 | } {1 2 3} |
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121 | do_test trigger9-1.6.2 { |
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122 | has_rowdata {UPDATE t1 SET y = ''} |
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123 | } 0 |
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124 | do_test trigger9-1.6.3 { execsql { ROLLBACK } } {} |
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125 | |||
126 | do_test trigger9-1.7.1 { |
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127 | execsql { |
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128 | BEGIN; |
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129 | CREATE TRIGGER trig1 BEFORE UPDATE ON t1 WHEN old.x>='2' BEGIN |
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130 | INSERT INTO t2 VALUES(old.x); |
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131 | END; |
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132 | UPDATE t1 SET y = ''; |
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133 | SELECT * FROM t2; |
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134 | } |
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135 | } {2 3} |
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136 | do_test trigger9-1.7.2 { |
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137 | has_rowdata {UPDATE t1 SET y = ''} |
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138 | } 0 |
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139 | do_test trigger9-1.7.3 { execsql { ROLLBACK } } {} |
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140 | |||
141 | do_test trigger9-3.1 { |
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142 | execsql { |
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143 | CREATE TABLE t3(a, b); |
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144 | INSERT INTO t3 VALUES(1, 'one'); |
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145 | INSERT INTO t3 VALUES(2, 'two'); |
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146 | INSERT INTO t3 VALUES(3, 'three'); |
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147 | } |
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148 | } {} |
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149 | do_test trigger9-3.2 { |
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150 | execsql { |
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151 | BEGIN; |
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152 | CREATE VIEW v1 AS SELECT * FROM t3; |
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153 | CREATE TRIGGER trig1 INSTEAD OF UPDATE ON v1 BEGIN |
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154 | INSERT INTO t2 VALUES(old.a); |
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155 | END; |
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156 | UPDATE v1 SET b = 'hello'; |
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157 | SELECT * FROM t2; |
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158 | ROLLBACK; |
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159 | } |
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160 | } {1 2 3} |
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161 | do_test trigger9-3.3 { |
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162 | # In this test the 'c' column of the view is not required by |
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163 | # the INSTEAD OF trigger, but the expression is reused internally as |
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164 | # part of the view's WHERE clause. Check that this does not cause |
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165 | # a problem. |
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166 | # |
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167 | execsql { |
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168 | BEGIN; |
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169 | CREATE VIEW v1 AS SELECT a, b AS c FROM t3 WHERE c > 'one'; |
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170 | CREATE TRIGGER trig1 INSTEAD OF UPDATE ON v1 BEGIN |
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171 | INSERT INTO t2 VALUES(old.a); |
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172 | END; |
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173 | UPDATE v1 SET c = 'hello'; |
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174 | SELECT * FROM t2; |
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175 | ROLLBACK; |
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176 | } |
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177 | } {2 3} |
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178 | do_test trigger9-3.4 { |
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179 | execsql { |
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180 | BEGIN; |
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181 | INSERT INTO t3 VALUES(3, 'three'); |
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182 | INSERT INTO t3 VALUES(3, 'four'); |
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183 | CREATE VIEW v1 AS SELECT DISTINCT a, b FROM t3; |
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184 | CREATE TRIGGER trig1 INSTEAD OF UPDATE ON v1 BEGIN |
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185 | INSERT INTO t2 VALUES(old.a); |
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186 | END; |
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187 | UPDATE v1 SET b = 'hello'; |
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188 | SELECT * FROM t2; |
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189 | ROLLBACK; |
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190 | } |
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191 | } {1 2 3 3} |
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192 | |||
193 | ifcapable compound { |
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194 | do_test trigger9-3.5 { |
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195 | execsql { |
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196 | BEGIN; |
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197 | INSERT INTO t3 VALUES(1, 'uno'); |
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198 | CREATE VIEW v1 AS SELECT a, b FROM t3 EXCEPT SELECT 1, 'one'; |
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199 | CREATE TRIGGER trig1 INSTEAD OF UPDATE ON v1 BEGIN |
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200 | INSERT INTO t2 VALUES(old.a); |
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201 | END; |
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202 | UPDATE v1 SET b = 'hello'; |
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203 | SELECT * FROM t2; |
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204 | ROLLBACK; |
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205 | } |
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206 | } {1 2 3} |
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207 | do_test trigger9-3.6 { |
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208 | execsql { |
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209 | BEGIN; |
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210 | INSERT INTO t3 VALUES(1, 'zero'); |
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211 | CREATE VIEW v1 AS |
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212 | SELECT sum(a) AS a, max(b) AS b FROM t3 GROUP BY t3.a HAVING b>'two'; |
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213 | CREATE TRIGGER trig1 INSTEAD OF UPDATE ON v1 BEGIN |
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214 | INSERT INTO t2 VALUES(old.a); |
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215 | END; |
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216 | UPDATE v1 SET b = 'hello'; |
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217 | SELECT * FROM t2; |
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218 | ROLLBACK; |
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219 | } |
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220 | } {2} |
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221 | } |
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222 | |||
223 | finish_test |