author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:57:14 +0300 | |
branch | RCL_3 |
changeset 23 | 26645d81f48d |
parent 0 | 08ec8eefde2f |
permissions | -rw-r--r-- |
0
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# 2001 September 23 |
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# |
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# The author disclaims copyright to this source code. In place of |
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# a legal notice, here is a blessing: |
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# |
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# May you do good and not evil. |
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# May you find forgiveness for yourself and forgive others. |
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# May you share freely, never taking more than you give. |
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# |
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#*********************************************************************** |
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# This file implements regression tests for SQLite library. The |
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# focus of this file is stressing the library by putting large amounts |
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# of data in a single row of a table. |
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# |
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# $Id: bigrow.test,v 1.5 2004/08/07 23:54:48 drh Exp $ |
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|
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set testdir [file dirname $argv0] |
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source $testdir/tester.tcl |
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|
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# Make a big string that we can use for test data |
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# |
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do_test bigrow-1.0 { |
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set ::bigstr {} |
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for {set i 1} {$i<=9999} {incr i} { |
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set sep [string index "abcdefghijklmnopqrstuvwxyz" [expr {$i%26}]] |
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append ::bigstr "$sep [format %04d $i] " |
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} |
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string length $::bigstr |
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} {69993} |
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|
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# Make a table into which we can insert some but records. |
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# |
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do_test bigrow-1.1 { |
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execsql { |
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CREATE TABLE t1(a text, b text, c text); |
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SELECT name FROM sqlite_master |
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WHERE type='table' OR type='index' |
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ORDER BY name |
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} |
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} {t1} |
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do_test bigrow-1.2 { |
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set ::big1 [string range $::bigstr 0 65519] |
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set sql "INSERT INTO t1 VALUES('abc'," |
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append sql "'$::big1', 'xyz');" |
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execsql $sql |
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execsql {SELECT a, c FROM t1} |
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} {abc xyz} |
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do_test bigrow-1.3 { |
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execsql {SELECT b FROM t1} |
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} [list $::big1] |
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do_test bigrow-1.4 { |
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set ::big2 [string range $::bigstr 0 65520] |
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set sql "INSERT INTO t1 VALUES('abc2'," |
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append sql "'$::big2', 'xyz2');" |
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set r [catch {execsql $sql} msg] |
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lappend r $msg |
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} {0 {}} |
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do_test bigrow-1.4.1 { |
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execsql {SELECT b FROM t1 ORDER BY c} |
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} [list $::big1 $::big2] |
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do_test bigrow-1.4.2 { |
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execsql {SELECT c FROM t1 ORDER BY c} |
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} {xyz xyz2} |
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do_test bigrow-1.4.3 { |
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execsql {DELETE FROM t1 WHERE a='abc2'} |
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execsql {SELECT c FROM t1} |
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} {xyz} |
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|
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do_test bigrow-1.5 { |
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execsql { |
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UPDATE t1 SET a=b, b=a; |
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SELECT b,c FROM t1 |
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} |
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} {abc xyz} |
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do_test bigrow-1.6 { |
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execsql { |
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SELECT * FROM t1 |
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} |
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} [list $::big1 abc xyz] |
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do_test bigrow-1.7 { |
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execsql { |
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INSERT INTO t1 VALUES('1','2','3'); |
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INSERT INTO t1 VALUES('A','B','C'); |
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SELECT b FROM t1 WHERE a=='1'; |
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} |
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} {2} |
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do_test bigrow-1.8 { |
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execsql "SELECT b FROM t1 WHERE a=='$::big1'" |
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} {abc} |
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do_test bigrow-1.9 { |
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execsql "SELECT b FROM t1 WHERE a!='$::big1' ORDER BY a" |
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} {2 B} |
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|
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# Try doing some indexing on big columns |
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# |
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do_test bigrow-2.1 { |
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execsql { |
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CREATE INDEX i1 ON t1(a) |
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} |
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execsql "SELECT b FROM t1 WHERE a=='$::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 |
|
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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 |
|
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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 |
|
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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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incr i |
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} |
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do_test bigrow-5.3 { |
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catchsql {UPDATE t1 SET b=b||b} |
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} {0 {}} |
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do_test bigrow-5.4 { |
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execsql {SELECT length(b) FROM t1} |
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} 1966080 |
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do_test bigrow-5.5 { |
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catchsql {UPDATE t1 SET b=b||b} |
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} {0 {}} |
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do_test bigrow-5.6 { |
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execsql {SELECT length(b) FROM t1} |
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} 3932160 |
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do_test bigrow-5.99 { |
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execsql {DROP TABLE t1} |
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} {} |
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|
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finish_test |