wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2005 July 22 |
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. |
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12 | # This file implements tests for the ANALYZE command. |
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13 | # |
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14 | # $Id: analyze.test,v 1.9 2008/08/11 18:44:58 drh Exp $ |
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15 | |||
16 | set testdir [file dirname $argv0] |
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17 | source $testdir/tester.tcl |
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18 | |||
19 | # There is nothing to test if ANALYZE is disable for this build. |
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20 | # |
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21 | ifcapable {!analyze} { |
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22 | finish_test |
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23 | return |
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24 | } |
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25 | |||
26 | # Basic sanity checks. |
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27 | # |
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28 | do_test analyze-1.1 { |
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29 | catchsql { |
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30 | ANALYZE no_such_table |
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31 | } |
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32 | } {1 {no such table: no_such_table}} |
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33 | do_test analyze-1.2 { |
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34 | execsql { |
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35 | SELECT count(*) FROM sqlite_master WHERE name='sqlite_stat1' |
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36 | } |
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37 | } {0} |
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38 | do_test analyze-1.3 { |
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39 | catchsql { |
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40 | ANALYZE no_such_db.no_such_table |
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41 | } |
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42 | } {1 {unknown database no_such_db}} |
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43 | do_test analyze-1.4 { |
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44 | execsql { |
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45 | SELECT count(*) FROM sqlite_master WHERE name='sqlite_stat1' |
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46 | } |
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47 | } {0} |
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48 | do_test analyze-1.5.1 { |
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49 | catchsql { |
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50 | ANALYZE |
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51 | } |
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52 | } {0 {}} |
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53 | do_test analyze-1.5.2 { |
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54 | catchsql { |
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55 | PRAGMA empty_result_callbacks=1; |
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56 | ANALYZE |
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57 | } |
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58 | } {0 {}} |
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59 | do_test analyze-1.6 { |
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60 | execsql { |
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61 | SELECT count(*) FROM sqlite_master WHERE name='sqlite_stat1' |
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62 | } |
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63 | } {1} |
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64 | do_test analyze-1.6.2 { |
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65 | catchsql { |
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66 | CREATE INDEX stat1idx ON sqlite_stat1(idx); |
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67 | } |
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68 | } {1 {table sqlite_stat1 may not be indexed}} |
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69 | do_test analyze-1.6.3 { |
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70 | catchsql { |
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71 | CREATE INDEX main.stat1idx ON SQLite_stat1(idx); |
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72 | } |
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73 | } {1 {table sqlite_stat1 may not be indexed}} |
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74 | do_test analyze-1.7 { |
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75 | execsql { |
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76 | SELECT * FROM sqlite_stat1 WHERE idx NOT NULL |
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77 | } |
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78 | } {} |
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79 | do_test analyze-1.8 { |
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80 | catchsql { |
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81 | ANALYZE main |
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82 | } |
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83 | } {0 {}} |
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84 | do_test analyze-1.9 { |
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85 | execsql { |
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86 | SELECT * FROM sqlite_stat1 WHERE idx NOT NULL |
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87 | } |
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88 | } {} |
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89 | do_test analyze-1.10 { |
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90 | catchsql { |
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91 | CREATE TABLE t1(a,b); |
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92 | ANALYZE main.t1; |
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93 | } |
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94 | } {0 {}} |
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95 | do_test analyze-1.11 { |
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96 | execsql { |
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97 | SELECT * FROM sqlite_stat1 |
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98 | } |
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99 | } {} |
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100 | do_test analyze-1.12 { |
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101 | catchsql { |
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102 | ANALYZE t1; |
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103 | } |
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104 | } {0 {}} |
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105 | do_test analyze-1.13 { |
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106 | execsql { |
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107 | SELECT * FROM sqlite_stat1 |
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108 | } |
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109 | } {} |
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110 | |||
111 | # Create some indices that can be analyzed. But do not yet add |
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112 | # data. Without data in the tables, no analysis is done. |
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113 | # |
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114 | do_test analyze-2.1 { |
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115 | execsql { |
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116 | CREATE INDEX t1i1 ON t1(a); |
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117 | ANALYZE main.t1; |
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118 | SELECT * FROM sqlite_stat1 ORDER BY idx; |
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119 | } |
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120 | } {} |
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121 | do_test analyze-2.2 { |
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122 | execsql { |
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123 | CREATE INDEX t1i2 ON t1(b); |
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124 | ANALYZE t1; |
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125 | SELECT * FROM sqlite_stat1 ORDER BY idx; |
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126 | } |
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127 | } {} |
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128 | do_test analyze-2.3 { |
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129 | execsql { |
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130 | CREATE INDEX t1i3 ON t1(a,b); |
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131 | ANALYZE main; |
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132 | SELECT * FROM sqlite_stat1 ORDER BY idx; |
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133 | } |
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134 | } {} |
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135 | |||
136 | # Start adding data to the table. Verify that the analysis |
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137 | # is done correctly. |
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138 | # |
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139 | do_test analyze-3.1 { |
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140 | execsql { |
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141 | INSERT INTO t1 VALUES(1,2); |
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142 | INSERT INTO t1 VALUES(1,3); |
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143 | ANALYZE main.t1; |
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144 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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145 | } |
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146 | } {t1i1 {2 2} t1i2 {2 1} t1i3 {2 2 1}} |
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147 | do_test analyze-3.2 { |
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148 | execsql { |
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149 | INSERT INTO t1 VALUES(1,4); |
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150 | INSERT INTO t1 VALUES(1,5); |
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151 | ANALYZE t1; |
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152 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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153 | } |
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154 | } {t1i1 {4 4} t1i2 {4 1} t1i3 {4 4 1}} |
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155 | do_test analyze-3.3 { |
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156 | execsql { |
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157 | INSERT INTO t1 VALUES(2,5); |
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158 | ANALYZE main; |
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159 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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160 | } |
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161 | } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1}} |
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162 | do_test analyze-3.4 { |
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163 | execsql { |
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164 | CREATE TABLE t2 AS SELECT * FROM t1; |
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165 | CREATE INDEX t2i1 ON t2(a); |
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166 | CREATE INDEX t2i2 ON t2(b); |
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167 | CREATE INDEX t2i3 ON t2(a,b); |
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168 | ANALYZE; |
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169 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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170 | } |
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171 | } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3} t2i2 {5 2} t2i3 {5 3 1}} |
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172 | do_test analyze-3.5 { |
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173 | execsql { |
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174 | DROP INDEX t2i3; |
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175 | ANALYZE t1; |
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176 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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177 | } |
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178 | } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3} t2i2 {5 2}} |
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179 | do_test analyze-3.6 { |
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180 | execsql { |
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181 | ANALYZE t2; |
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182 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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183 | } |
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184 | } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3} t2i2 {5 2}} |
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185 | do_test analyze-3.7 { |
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186 | execsql { |
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187 | DROP INDEX t2i2; |
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188 | ANALYZE t2; |
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189 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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190 | } |
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191 | } {t1i1 {5 3} t1i2 {5 2} t1i3 {5 3 1} t2i1 {5 3}} |
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192 | do_test analyze-3.8 { |
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193 | execsql { |
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194 | CREATE TABLE t3 AS SELECT a, b, rowid AS c, 'hi' AS d FROM t1; |
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195 | CREATE INDEX t3i1 ON t3(a); |
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196 | CREATE INDEX t3i2 ON t3(a,b,c,d); |
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197 | CREATE INDEX t3i3 ON t3(d,b,c,a); |
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198 | DROP TABLE t1; |
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199 | DROP TABLE t2; |
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200 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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201 | } |
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202 | } {} |
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203 | do_test analyze-3.9 { |
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204 | execsql { |
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205 | ANALYZE; |
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206 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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207 | } |
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208 | } {t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1}} |
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209 | |||
210 | do_test analyze-3.10 { |
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211 | execsql { |
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212 | CREATE TABLE [silly " name](a, b, c); |
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213 | CREATE INDEX 'foolish '' name' ON [silly " name](a, b); |
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214 | CREATE INDEX 'another foolish '' name' ON [silly " name](c); |
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215 | INSERT INTO [silly " name] VALUES(1, 2, 3); |
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216 | INSERT INTO [silly " name] VALUES(4, 5, 6); |
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217 | ANALYZE; |
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218 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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219 | } |
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220 | } {{another foolish ' name} {2 1} {foolish ' name} {2 1 1} t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1}} |
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221 | do_test analyze-3.11 { |
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222 | execsql { |
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223 | DROP INDEX "foolish ' name"; |
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224 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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225 | } |
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226 | } {{another foolish ' name} {2 1} t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1}} |
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227 | do_test analyze-3.11 { |
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228 | execsql { |
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229 | DROP TABLE "silly "" name"; |
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230 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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231 | } |
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232 | } {t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1}} |
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233 | |||
234 | # Try corrupting the sqlite_stat1 table and make sure the |
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235 | # database is still able to function. |
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236 | # |
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237 | do_test analyze-4.0 { |
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238 | sqlite3 db2 test.db |
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239 | db2 eval { |
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240 | CREATE TABLE t4(x,y,z); |
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241 | CREATE INDEX t4i1 ON t4(x); |
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242 | CREATE INDEX t4i2 ON t4(y); |
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243 | INSERT INTO t4 SELECT a,b,c FROM t3; |
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244 | } |
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245 | db2 close |
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246 | db close |
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247 | sqlite3 db test.db |
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248 | execsql { |
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249 | ANALYZE; |
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250 | SELECT idx, stat FROM sqlite_stat1 ORDER BY idx; |
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251 | } |
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252 | } {t3i1 {5 3} t3i2 {5 3 1 1 1} t3i3 {5 5 2 1 1} t4i1 {5 3} t4i2 {5 2}} |
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253 | do_test analyze-4.1 { |
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254 | execsql { |
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255 | PRAGMA writable_schema=on; |
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256 | INSERT INTO sqlite_stat1 VALUES(null,null,null); |
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257 | PRAGMA writable_schema=off; |
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258 | } |
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259 | db close |
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260 | sqlite3 db test.db |
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261 | execsql { |
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262 | SELECT * FROM t4 WHERE x=1234; |
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263 | } |
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264 | } {} |
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265 | do_test analyze-4.2 { |
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266 | execsql { |
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267 | PRAGMA writable_schema=on; |
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268 | DELETE FROM sqlite_stat1; |
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269 | INSERT INTO sqlite_stat1 VALUES('t4','t4i1','nonsense'); |
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270 | INSERT INTO sqlite_stat1 VALUES('t4','t4i2','120897349817238741092873198273409187234918720394817209384710928374109827172901827349871928741910'); |
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271 | PRAGMA writable_schema=off; |
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272 | } |
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273 | db close |
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274 | sqlite3 db test.db |
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275 | execsql { |
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276 | SELECT * FROM t4 WHERE x=1234; |
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277 | } |
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278 | } {} |
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279 | do_test analyze-4.3 { |
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280 | execsql { |
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281 | INSERT INTO sqlite_stat1 VALUES('t4','xyzzy','0 1 2 3'); |
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282 | } |
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283 | db close |
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284 | sqlite3 db test.db |
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285 | execsql { |
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286 | SELECT * FROM t4 WHERE x=1234; |
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287 | } |
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288 | } {} |
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289 | |||
290 | # This test corrupts the database file so it must be the last test |
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291 | # in the series. |
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292 | # |
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293 | do_test analyze-99.1 { |
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294 | execsql { |
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295 | PRAGMA writable_schema=on; |
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296 | UPDATE sqlite_master SET sql='nonsense' WHERE name='sqlite_stat1'; |
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297 | } |
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298 | db close |
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299 | catch { sqlite3 db test.db } |
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300 | catchsql { |
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301 | ANALYZE |
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302 | } |
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303 | } {1 {malformed database schema (sqlite_stat1) - near "nonsense": syntax error}} |
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304 | |||
305 | |||
306 | finish_test |