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1 | office | 1 | # 2008 February 12 |
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 issues relating to firing an INSTEAD OF trigger on a VIEW |
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13 | # when one tries to UPDATE or DELETE from the view. Does the WHERE |
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14 | # clause of the UPDATE or DELETE statement get passed down correctly |
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15 | # into the query that manifests the view? |
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16 | # |
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17 | # Ticket #2938 |
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18 | # |
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19 | |||
20 | set testdir [file dirname $argv0] |
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21 | source $testdir/tester.tcl |
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22 | ifcapable !trigger||!compound { |
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23 | finish_test |
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24 | return |
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25 | } |
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26 | |||
27 | # Create two table containing some sample data |
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28 | # |
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29 | do_test triggerA-1.1 { |
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30 | db eval { |
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31 | CREATE TABLE t1(x INTEGER PRIMARY KEY, y TEXT UNIQUE); |
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32 | CREATE TABLE t2(a INTEGER PRIMARY KEY, b INTEGER UNIQUE, c TEXT); |
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33 | } |
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34 | set i 1 |
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35 | foreach word {one two three four five six seven eight nine ten} { |
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36 | set j [expr {$i*100 + [string length $word]}] |
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37 | db eval { |
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38 | INSERT INTO t1 VALUES($i,$word); |
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39 | INSERT INTO t2 VALUES(20-$i,$j,$word); |
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40 | } |
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41 | incr i |
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42 | } |
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43 | db eval { |
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44 | SELECT count(*) FROM t1 UNION ALL SELECT count(*) FROM t2; |
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45 | } |
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46 | } {10 10} |
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47 | |||
48 | # Create views of various forms against one or both of the two tables. |
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49 | # |
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50 | do_test triggerA-1.2 { |
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51 | db eval { |
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52 | CREATE VIEW v1 AS SELECT y, x FROM t1; |
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53 | SELECT * FROM v1 ORDER BY 1; |
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54 | } |
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55 | } {eight 8 five 5 four 4 nine 9 one 1 seven 7 six 6 ten 10 three 3 two 2} |
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56 | do_test triggerA-1.3 { |
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57 | db eval { |
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58 | CREATE VIEW v2 AS SELECT x, y FROM t1 WHERE y GLOB '*e*'; |
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59 | SELECT * FROM v2 ORDER BY 1; |
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60 | } |
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61 | } {1 one 3 three 5 five 7 seven 8 eight 9 nine 10 ten} |
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62 | do_test triggerA-1.4 { |
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63 | db eval { |
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64 | CREATE VIEW v3 AS |
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65 | SELECT CAST(x AS TEXT) AS c1 FROM t1 UNION SELECT y FROM t1; |
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66 | SELECT * FROM v3 ORDER BY c1; |
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67 | } |
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68 | } {1 10 2 3 4 5 6 7 8 9 eight five four nine one seven six ten three two} |
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69 | do_test triggerA-1.5 { |
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70 | db eval { |
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71 | CREATE VIEW v4 AS |
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72 | SELECT CAST(x AS TEXT) AS c1 FROM t1 |
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73 | UNION SELECT y FROM t1 WHERE x BETWEEN 3 and 5; |
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74 | SELECT * FROM v4 ORDER BY 1; |
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75 | } |
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76 | } {1 10 2 3 4 5 6 7 8 9 five four three} |
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77 | do_test triggerA-1.6 { |
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78 | db eval { |
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79 | CREATE VIEW v5 AS SELECT x, b FROM t1, t2 WHERE y=c; |
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80 | SELECT * FROM v5 ORDER BY x DESC; |
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81 | } |
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82 | } {10 1003 9 904 8 805 7 705 6 603 5 504 4 404 3 305 2 203 1 103} |
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83 | |||
84 | # Create INSTEAD OF triggers on the views. Run UPDATE and DELETE statements |
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85 | # using those triggers. Verify correct operation. |
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86 | # |
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87 | do_test triggerA-2.1 { |
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88 | db eval { |
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89 | CREATE TABLE result2(a,b); |
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90 | CREATE TRIGGER r1d INSTEAD OF DELETE ON v1 BEGIN |
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91 | INSERT INTO result2(a,b) VALUES(old.y, old.x); |
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92 | END; |
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93 | DELETE FROM v1 WHERE x=5; |
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94 | SELECT * FROM result2; |
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95 | } |
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96 | } {five 5} |
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97 | do_test triggerA-2.2 { |
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98 | db eval { |
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99 | CREATE TABLE result4(a,b,c,d); |
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100 | CREATE TRIGGER r1u INSTEAD OF UPDATE ON v1 BEGIN |
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101 | INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x); |
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102 | END; |
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103 | UPDATE v1 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5; |
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104 | SELECT * FROM result4 ORDER BY a; |
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105 | } |
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106 | } {five 5 five-extra 5 four 4 four-extra 4 three 3 three-extra 3} |
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107 | |||
108 | |||
109 | do_test triggerA-2.3 { |
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110 | db eval { |
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111 | DELETE FROM result2; |
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112 | CREATE TRIGGER r2d INSTEAD OF DELETE ON v2 BEGIN |
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113 | INSERT INTO result2(a,b) VALUES(old.y, old.x); |
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114 | END; |
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115 | DELETE FROM v2 WHERE x=5; |
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116 | SELECT * FROM result2; |
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117 | } |
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118 | } {five 5} |
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119 | do_test triggerA-2.4 { |
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120 | db eval { |
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121 | DELETE FROM result4; |
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122 | CREATE TRIGGER r2u INSTEAD OF UPDATE ON v2 BEGIN |
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123 | INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x); |
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124 | END; |
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125 | UPDATE v2 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5; |
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126 | SELECT * FROM result4 ORDER BY a; |
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127 | } |
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128 | } {five 5 five-extra 5 three 3 three-extra 3} |
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129 | |||
130 | |||
131 | do_test triggerA-2.5 { |
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132 | db eval { |
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133 | CREATE TABLE result1(a); |
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134 | CREATE TRIGGER r3d INSTEAD OF DELETE ON v3 BEGIN |
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135 | INSERT INTO result1(a) VALUES(old.c1); |
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136 | END; |
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137 | DELETE FROM v3 WHERE c1 BETWEEN '8' AND 'eight'; |
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138 | SELECT * FROM result1 ORDER BY a; |
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139 | } |
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140 | } {8 9 eight} |
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141 | do_test triggerA-2.6 { |
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142 | db eval { |
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143 | DELETE FROM result2; |
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144 | CREATE TRIGGER r3u INSTEAD OF UPDATE ON v3 BEGIN |
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145 | INSERT INTO result2(a,b) VALUES(old.c1, new.c1); |
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146 | END; |
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147 | UPDATE v3 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight'; |
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148 | SELECT * FROM result2 ORDER BY a; |
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149 | } |
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150 | } {8 8-extra 9 9-extra eight eight-extra} |
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151 | |||
152 | |||
153 | do_test triggerA-2.7 { |
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154 | db eval { |
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155 | DELETE FROM result1; |
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156 | CREATE TRIGGER r4d INSTEAD OF DELETE ON v4 BEGIN |
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157 | INSERT INTO result1(a) VALUES(old.c1); |
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158 | END; |
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159 | DELETE FROM v4 WHERE c1 BETWEEN '8' AND 'eight'; |
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160 | SELECT * FROM result1 ORDER BY a; |
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161 | } |
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162 | } {8 9} |
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163 | do_test triggerA-2.8 { |
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164 | db eval { |
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165 | DELETE FROM result2; |
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166 | CREATE TRIGGER r4u INSTEAD OF UPDATE ON v4 BEGIN |
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167 | INSERT INTO result2(a,b) VALUES(old.c1, new.c1); |
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168 | END; |
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169 | UPDATE v4 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight'; |
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170 | SELECT * FROM result2 ORDER BY a; |
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171 | } |
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172 | } {8 8-extra 9 9-extra} |
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173 | |||
174 | |||
175 | do_test triggerA-2.9 { |
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176 | db eval { |
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177 | DELETE FROM result2; |
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178 | CREATE TRIGGER r5d INSTEAD OF DELETE ON v5 BEGIN |
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179 | INSERT INTO result2(a,b) VALUES(old.x, old.b); |
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180 | END; |
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181 | DELETE FROM v5 WHERE x=5; |
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182 | SELECT * FROM result2; |
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183 | } |
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184 | } {5 504} |
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185 | do_test triggerA-2.10 { |
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186 | db eval { |
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187 | DELETE FROM result4; |
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188 | CREATE TRIGGER r5u INSTEAD OF UPDATE ON v5 BEGIN |
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189 | INSERT INTO result4(a,b,c,d) VALUES(old.x, old.b, new.x, new.b); |
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190 | END; |
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191 | UPDATE v5 SET b = b+9900000 WHERE x BETWEEN 3 AND 5; |
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192 | SELECT * FROM result4 ORDER BY a; |
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193 | } |
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194 | } {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504} |
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195 | |||
196 | # Only run the reamining tests if memory debugging is turned on. |
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197 | # |
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198 | ifcapable !memdebug { |
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199 | puts "Skipping triggerA malloc tests: not compiled with -DSQLITE_MEMDEBUG..." |
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200 | finish_test |
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201 | return |
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202 | } |
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203 | source $testdir/malloc_common.tcl |
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204 | |||
205 | # Save a copy of the current database configuration. |
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206 | # |
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207 | db close |
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208 | file delete -force test.db-triggerA |
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209 | file copy test.db test.db-triggerA |
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210 | sqlite3 db test.db |
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211 | |||
212 | # Run malloc tests on the INSTEAD OF trigger firing. |
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213 | # |
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214 | do_malloc_test triggerA-3 -tclprep { |
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215 | db close |
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216 | file delete -force test.db test.db-journal |
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217 | file copy -force test.db-triggerA test.db |
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218 | sqlite3 db test.db |
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219 | sqlite3_extended_result_codes db 1 |
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220 | db eval {SELECT * FROM v5; -- warm up the cache} |
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221 | } -sqlbody { |
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222 | DELETE FROM v5 WHERE x=5; |
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223 | UPDATE v5 SET b=b+9900000 WHERE x BETWEEN 3 AND 5; |
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224 | } |
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225 | |||
226 | # Clean up the saved database copy. |
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227 | # |
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228 | file delete -force test.db-triggerA |
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229 | |||
230 | finish_test |