wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2001 September 23 |
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 stressing the library by putting large amounts |
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13 | # of data in a single row of a table. |
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14 | # |
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15 | # $Id: bigrow.test,v 1.5 2004/08/07 23:54:48 drh Exp $ |
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16 | |||
17 | set testdir [file dirname $argv0] |
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18 | source $testdir/tester.tcl |
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19 | |||
20 | # Make a big string that we can use for test data |
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21 | # |
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22 | do_test bigrow-1.0 { |
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23 | set ::bigstr {} |
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24 | for {set i 1} {$i<=9999} {incr i} { |
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25 | set sep [string index "abcdefghijklmnopqrstuvwxyz" [expr {$i%26}]] |
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26 | append ::bigstr "$sep [format %04d $i] " |
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27 | } |
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28 | string length $::bigstr |
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29 | } {69993} |
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30 | |||
31 | # Make a table into which we can insert some but records. |
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32 | # |
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33 | do_test bigrow-1.1 { |
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34 | execsql { |
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35 | CREATE TABLE t1(a text, b text, c text); |
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36 | SELECT name FROM sqlite_master |
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37 | WHERE type='table' OR type='index' |
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38 | ORDER BY name |
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39 | } |
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40 | } {t1} |
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41 | |||
42 | do_test bigrow-1.2 { |
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43 | set ::big1 [string range $::bigstr 0 65519] |
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44 | set sql "INSERT INTO t1 VALUES('abc'," |
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45 | append sql "'$::big1', 'xyz');" |
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46 | execsql $sql |
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47 | execsql {SELECT a, c FROM t1} |
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48 | } {abc xyz} |
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49 | do_test bigrow-1.3 { |
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50 | execsql {SELECT b FROM t1} |
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51 | } [list $::big1] |
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52 | do_test bigrow-1.4 { |
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53 | set ::big2 [string range $::bigstr 0 65520] |
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54 | set sql "INSERT INTO t1 VALUES('abc2'," |
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55 | append sql "'$::big2', 'xyz2');" |
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56 | set r [catch {execsql $sql} msg] |
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57 | lappend r $msg |
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58 | } {0 {}} |
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59 | do_test bigrow-1.4.1 { |
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60 | execsql {SELECT b FROM t1 ORDER BY c} |
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61 | } [list $::big1 $::big2] |
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62 | do_test bigrow-1.4.2 { |
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63 | execsql {SELECT c FROM t1 ORDER BY c} |
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64 | } {xyz xyz2} |
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65 | do_test bigrow-1.4.3 { |
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66 | execsql {DELETE FROM t1 WHERE a='abc2'} |
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67 | execsql {SELECT c FROM t1} |
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68 | } {xyz} |
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69 | |||
70 | do_test bigrow-1.5 { |
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71 | execsql { |
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72 | UPDATE t1 SET a=b, b=a; |
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73 | SELECT b,c FROM t1 |
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74 | } |
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75 | } {abc xyz} |
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76 | do_test bigrow-1.6 { |
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77 | execsql { |
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78 | SELECT * FROM t1 |
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79 | } |
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80 | } [list $::big1 abc xyz] |
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81 | do_test bigrow-1.7 { |
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82 | execsql { |
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83 | INSERT INTO t1 VALUES('1','2','3'); |
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84 | INSERT INTO t1 VALUES('A','B','C'); |
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85 | SELECT b FROM t1 WHERE a=='1'; |
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86 | } |
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87 | } {2} |
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88 | do_test bigrow-1.8 { |
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89 | execsql "SELECT b FROM t1 WHERE a=='$::big1'" |
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90 | } {abc} |
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91 | do_test bigrow-1.9 { |
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92 | execsql "SELECT b FROM t1 WHERE a!='$::big1' ORDER BY a" |
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93 | } {2 B} |
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94 | |||
95 | # Try doing some indexing on big columns |
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96 | # |
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97 | do_test bigrow-2.1 { |
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98 | execsql { |
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99 | CREATE INDEX i1 ON t1(a) |
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100 | } |
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101 | execsql "SELECT b FROM t1 WHERE a=='$::big1'" |
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102 | } {abc} |
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103 | do_test bigrow-2.2 { |
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104 | execsql { |
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105 | UPDATE t1 SET a=b, b=a |
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106 | } |
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107 | execsql "SELECT b FROM t1 WHERE a=='abc'" |
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108 | } [list $::big1] |
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109 | do_test bigrow-2.3 { |
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110 | execsql { |
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111 | UPDATE t1 SET a=b, b=a |
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112 | } |
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113 | execsql "SELECT b FROM t1 WHERE a=='$::big1'" |
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114 | } {abc} |
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115 | catch {unset ::bigstr} |
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116 | catch {unset ::big1} |
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117 | catch {unset ::big2} |
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118 | |||
119 | # Mosts of the tests above were created back when rows were limited in |
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120 | # size to 64K. Now rows can be much bigger. Test that logic. Also |
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121 | # make sure things work correctly at the transition boundries between |
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122 | # row sizes of 256 to 257 bytes and from 65536 to 65537 bytes. |
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123 | # |
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124 | # We begin by testing the 256..257 transition. |
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125 | # |
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126 | do_test bigrow-3.1 { |
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127 | execsql { |
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128 | DELETE FROM t1; |
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129 | INSERT INTO t1(a,b,c) VALUES('one','abcdefghijklmnopqrstuvwxyz0123','hi'); |
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130 | } |
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131 | execsql {SELECT a,length(b),c FROM t1} |
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132 | } {one 30 hi} |
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133 | do_test bigrow-3.2 { |
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134 | execsql { |
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135 | UPDATE t1 SET b=b||b; |
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136 | UPDATE t1 SET b=b||b; |
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137 | UPDATE t1 SET b=b||b; |
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138 | } |
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139 | execsql {SELECT a,length(b),c FROM t1} |
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140 | } {one 240 hi} |
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141 | for {set i 1} {$i<10} {incr i} { |
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142 | do_test bigrow-3.3.$i { |
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143 | execsql "UPDATE t1 SET b=b||'$i'" |
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144 | execsql {SELECT a,length(b),c FROM t1} |
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145 | } "one [expr {240+$i}] hi" |
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146 | } |
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147 | |||
148 | # Now test the 65536..65537 row-size transition. |
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149 | # |
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150 | do_test bigrow-4.1 { |
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151 | execsql { |
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152 | DELETE FROM t1; |
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153 | INSERT INTO t1(a,b,c) VALUES('one','abcdefghijklmnopqrstuvwxyz0123','hi'); |
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154 | } |
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155 | execsql {SELECT a,length(b),c FROM t1} |
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156 | } {one 30 hi} |
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157 | do_test bigrow-4.2 { |
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158 | execsql { |
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159 | UPDATE t1 SET b=b||b; |
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160 | UPDATE t1 SET b=b||b; |
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161 | UPDATE t1 SET b=b||b; |
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162 | UPDATE t1 SET b=b||b; |
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163 | UPDATE t1 SET b=b||b; |
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164 | UPDATE t1 SET b=b||b; |
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165 | UPDATE t1 SET b=b||b; |
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166 | UPDATE t1 SET b=b||b; |
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167 | UPDATE t1 SET b=b||b; |
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168 | UPDATE t1 SET b=b||b; |
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169 | UPDATE t1 SET b=b||b; |
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170 | UPDATE t1 SET b=b||b; |
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171 | } |
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172 | execsql {SELECT a,length(b),c FROM t1} |
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173 | } {one 122880 hi} |
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174 | do_test bigrow-4.3 { |
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175 | execsql { |
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176 | UPDATE t1 SET b=substr(b,1,65515) |
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177 | } |
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178 | execsql {SELECT a,length(b),c FROM t1} |
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179 | } {one 65515 hi} |
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180 | for {set i 1} {$i<10} {incr i} { |
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181 | do_test bigrow-4.4.$i { |
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182 | execsql "UPDATE t1 SET b=b||'$i'" |
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183 | execsql {SELECT a,length(b),c FROM t1} |
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184 | } "one [expr {65515+$i}] hi" |
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185 | } |
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186 | |||
187 | # Check to make sure the library recovers safely if a row contains |
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188 | # too much data. |
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189 | # |
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190 | do_test bigrow-5.1 { |
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191 | execsql { |
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192 | DELETE FROM t1; |
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193 | INSERT INTO t1(a,b,c) VALUES('one','abcdefghijklmnopqrstuvwxyz0123','hi'); |
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194 | } |
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195 | execsql {SELECT a,length(b),c FROM t1} |
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196 | } {one 30 hi} |
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197 | set i 1 |
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198 | for {set sz 60} {$sz<1048560} {incr sz $sz} { |
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199 | do_test bigrow-5.2.$i { |
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200 | execsql { |
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201 | UPDATE t1 SET b=b||b; |
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202 | SELECT a,length(b),c FROM t1; |
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203 | } |
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204 | } "one $sz hi" |
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205 | incr i |
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206 | } |
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207 | do_test bigrow-5.3 { |
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208 | catchsql {UPDATE t1 SET b=b||b} |
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209 | } {0 {}} |
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210 | do_test bigrow-5.4 { |
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211 | execsql {SELECT length(b) FROM t1} |
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212 | } 1966080 |
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213 | do_test bigrow-5.5 { |
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214 | catchsql {UPDATE t1 SET b=b||b} |
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215 | } {0 {}} |
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216 | do_test bigrow-5.6 { |
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217 | execsql {SELECT length(b) FROM t1} |
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218 | } 3932160 |
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219 | do_test bigrow-5.99 { |
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220 | execsql {DROP TABLE t1} |
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221 | } {} |
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222 | |||
223 | finish_test |