| OLD | NEW | 
 | (Empty) | 
|    1 # 2001 September 23 |  | 
|    2 # |  | 
|    3 # The author disclaims copyright to this source code.  In place of |  | 
|    4 # a legal notice, here is a blessing: |  | 
|    5 # |  | 
|    6 #    May you do good and not evil. |  | 
|    7 #    May you find forgiveness for yourself and forgive others. |  | 
|    8 #    May you share freely, never taking more than you give. |  | 
|    9 # |  | 
|   10 #*********************************************************************** |  | 
|   11 # This file implements regression tests for SQLite library.  The |  | 
|   12 # focus of this file is stressing the library by putting large amounts |  | 
|   13 # of data in a single row of a table. |  | 
|   14 # |  | 
|   15 # $Id: bigrow.test,v 1.5 2004/08/07 23:54:48 drh Exp $ |  | 
|   16  |  | 
|   17 set testdir [file dirname $argv0] |  | 
|   18 source $testdir/tester.tcl |  | 
|   19  |  | 
|   20 # Make a big string that we can use for test data |  | 
|   21 # |  | 
|   22 do_test bigrow-1.0 { |  | 
|   23   set ::bigstr {} |  | 
|   24   for {set i 1} {$i<=9999} {incr i} { |  | 
|   25     set sep [string index "abcdefghijklmnopqrstuvwxyz" [expr {$i%26}]] |  | 
|   26     append ::bigstr "$sep [format %04d $i] " |  | 
|   27   } |  | 
|   28   string length $::bigstr |  | 
|   29 } {69993} |  | 
|   30  |  | 
|   31 # Make a table into which we can insert some but records. |  | 
|   32 # |  | 
|   33 do_test bigrow-1.1 { |  | 
|   34   execsql { |  | 
|   35     CREATE TABLE t1(a text, b text, c text); |  | 
|   36     SELECT name FROM sqlite_master |  | 
|   37       WHERE type='table' OR type='index' |  | 
|   38       ORDER BY name |  | 
|   39   } |  | 
|   40 } {t1} |  | 
|   41  |  | 
|   42 do_test bigrow-1.2 { |  | 
|   43   set ::big1 [string range $::bigstr 0 65519] |  | 
|   44   set sql "INSERT INTO t1 VALUES('abc'," |  | 
|   45   append sql "'$::big1', 'xyz');" |  | 
|   46   execsql $sql |  | 
|   47   execsql {SELECT a, c FROM t1} |  | 
|   48 } {abc xyz} |  | 
|   49 do_test bigrow-1.3 { |  | 
|   50   execsql {SELECT b FROM t1} |  | 
|   51 } [list $::big1] |  | 
|   52 do_test bigrow-1.4 { |  | 
|   53   set ::big2 [string range $::bigstr 0 65520] |  | 
|   54   set sql "INSERT INTO t1 VALUES('abc2'," |  | 
|   55   append sql "'$::big2', 'xyz2');" |  | 
|   56   set r [catch {execsql $sql} msg] |  | 
|   57   lappend r $msg |  | 
|   58 } {0 {}} |  | 
|   59 do_test bigrow-1.4.1 { |  | 
|   60   execsql {SELECT b FROM t1 ORDER BY c} |  | 
|   61 } [list $::big1 $::big2] |  | 
|   62 do_test bigrow-1.4.2 { |  | 
|   63   execsql {SELECT c FROM t1 ORDER BY c} |  | 
|   64 } {xyz xyz2} |  | 
|   65 do_test bigrow-1.4.3 { |  | 
|   66   execsql {DELETE FROM t1 WHERE a='abc2'} |  | 
|   67   execsql {SELECT c FROM t1} |  | 
|   68 } {xyz} |  | 
|   69  |  | 
|   70 do_test bigrow-1.5 { |  | 
|   71   execsql { |  | 
|   72     UPDATE t1 SET a=b, b=a; |  | 
|   73     SELECT b,c FROM t1 |  | 
|   74   } |  | 
|   75 } {abc xyz} |  | 
|   76 do_test bigrow-1.6 { |  | 
|   77   execsql { |  | 
|   78     SELECT * FROM t1 |  | 
|   79   } |  | 
|   80 } [list $::big1 abc xyz] |  | 
|   81 do_test bigrow-1.7 { |  | 
|   82   execsql { |  | 
|   83     INSERT INTO t1 VALUES('1','2','3'); |  | 
|   84     INSERT INTO t1 VALUES('A','B','C'); |  | 
|   85     SELECT b FROM t1 WHERE a=='1'; |  | 
|   86   } |  | 
|   87 } {2} |  | 
|   88 do_test bigrow-1.8 { |  | 
|   89   execsql "SELECT b FROM t1 WHERE a=='$::big1'" |  | 
|   90 } {abc} |  | 
|   91 do_test bigrow-1.9 { |  | 
|   92   execsql "SELECT b FROM t1 WHERE a!='$::big1' ORDER BY a" |  | 
|   93 } {2 B} |  | 
|   94  |  | 
|   95 # Try doing some indexing on big columns |  | 
|   96 # |  | 
|   97 do_test bigrow-2.1 { |  | 
|   98   execsql { |  | 
|   99     CREATE INDEX i1 ON t1(a) |  | 
|  100   } |  | 
|  101   execsql "SELECT b FROM t1 WHERE a=='$::big1'" |  | 
|  102 } {abc} |  | 
|  103 do_test bigrow-2.2 { |  | 
|  104   execsql { |  | 
|  105     UPDATE t1 SET a=b, b=a |  | 
|  106   } |  | 
|  107   execsql "SELECT b FROM t1 WHERE a=='abc'" |  | 
|  108 } [list $::big1] |  | 
|  109 do_test bigrow-2.3 { |  | 
|  110   execsql { |  | 
|  111     UPDATE t1 SET a=b, b=a |  | 
|  112   } |  | 
|  113   execsql "SELECT b FROM t1 WHERE a=='$::big1'" |  | 
|  114 } {abc} |  | 
|  115 catch {unset ::bigstr} |  | 
|  116 catch {unset ::big1} |  | 
|  117 catch {unset ::big2} |  | 
|  118  |  | 
|  119 # Mosts of the tests above were created back when rows were limited in |  | 
|  120 # size to 64K.  Now rows can be much bigger.  Test that logic.  Also |  | 
|  121 # make sure things work correctly at the transition boundries between |  | 
|  122 # row sizes of 256 to 257 bytes and from 65536 to 65537 bytes. |  | 
|  123 # |  | 
|  124 # We begin by testing the 256..257 transition. |  | 
|  125 # |  | 
|  126 do_test bigrow-3.1 { |  | 
|  127   execsql { |  | 
|  128     DELETE FROM t1; |  | 
|  129     INSERT INTO t1(a,b,c) VALUES('one','abcdefghijklmnopqrstuvwxyz0123','hi'); |  | 
|  130   } |  | 
|  131   execsql {SELECT a,length(b),c FROM t1} |  | 
|  132 } {one 30 hi} |  | 
|  133 do_test bigrow-3.2 { |  | 
|  134   execsql { |  | 
|  135     UPDATE t1 SET b=b||b; |  | 
|  136     UPDATE t1 SET b=b||b; |  | 
|  137     UPDATE t1 SET b=b||b; |  | 
|  138   } |  | 
|  139   execsql {SELECT a,length(b),c FROM t1} |  | 
|  140 } {one 240 hi} |  | 
|  141 for {set i 1} {$i<10} {incr i} { |  | 
|  142   do_test bigrow-3.3.$i { |  | 
|  143     execsql "UPDATE t1 SET b=b||'$i'" |  | 
|  144     execsql {SELECT a,length(b),c FROM t1} |  | 
|  145   } "one [expr {240+$i}] hi" |  | 
|  146 } |  | 
|  147  |  | 
|  148 # Now test the 65536..65537 row-size transition. |  | 
|  149 # |  | 
|  150 do_test bigrow-4.1 { |  | 
|  151   execsql { |  | 
|  152     DELETE FROM t1; |  | 
|  153     INSERT INTO t1(a,b,c) VALUES('one','abcdefghijklmnopqrstuvwxyz0123','hi'); |  | 
|  154   } |  | 
|  155   execsql {SELECT a,length(b),c FROM t1} |  | 
|  156 } {one 30 hi} |  | 
|  157 do_test bigrow-4.2 { |  | 
|  158   execsql { |  | 
|  159     UPDATE t1 SET b=b||b; |  | 
|  160     UPDATE t1 SET b=b||b; |  | 
|  161     UPDATE t1 SET b=b||b; |  | 
|  162     UPDATE t1 SET b=b||b; |  | 
|  163     UPDATE t1 SET b=b||b; |  | 
|  164     UPDATE t1 SET b=b||b; |  | 
|  165     UPDATE t1 SET b=b||b; |  | 
|  166     UPDATE t1 SET b=b||b; |  | 
|  167     UPDATE t1 SET b=b||b; |  | 
|  168     UPDATE t1 SET b=b||b; |  | 
|  169     UPDATE t1 SET b=b||b; |  | 
|  170     UPDATE t1 SET b=b||b; |  | 
|  171   } |  | 
|  172   execsql {SELECT a,length(b),c FROM t1} |  | 
|  173 } {one 122880 hi} |  | 
|  174 do_test bigrow-4.3 { |  | 
|  175   execsql { |  | 
|  176     UPDATE t1 SET b=substr(b,1,65515) |  | 
|  177   } |  | 
|  178   execsql {SELECT a,length(b),c FROM t1} |  | 
|  179 } {one 65515 hi} |  | 
|  180 for {set i 1} {$i<10} {incr i} { |  | 
|  181   do_test bigrow-4.4.$i { |  | 
|  182     execsql "UPDATE t1 SET b=b||'$i'" |  | 
|  183     execsql {SELECT a,length(b),c FROM t1} |  | 
|  184   } "one [expr {65515+$i}] hi" |  | 
|  185 } |  | 
|  186  |  | 
|  187 # Check to make sure the library recovers safely if a row contains |  | 
|  188 # too much data. |  | 
|  189 # |  | 
|  190 do_test bigrow-5.1 { |  | 
|  191   execsql { |  | 
|  192     DELETE FROM t1; |  | 
|  193     INSERT INTO t1(a,b,c) VALUES('one','abcdefghijklmnopqrstuvwxyz0123','hi'); |  | 
|  194   } |  | 
|  195   execsql {SELECT a,length(b),c FROM t1} |  | 
|  196 } {one 30 hi} |  | 
|  197 set i 1 |  | 
|  198 for {set sz 60} {$sz<1048560} {incr sz $sz} { |  | 
|  199   do_test bigrow-5.2.$i { |  | 
|  200     execsql { |  | 
|  201       UPDATE t1 SET b=b||b; |  | 
|  202       SELECT a,length(b),c FROM t1; |  | 
|  203     } |  | 
|  204   } "one $sz hi" |  | 
|  205   incr i |  | 
|  206 } |  | 
|  207 do_test bigrow-5.3 { |  | 
|  208   catchsql {UPDATE t1 SET b=b||b} |  | 
|  209 } {0 {}} |  | 
|  210 do_test bigrow-5.4 { |  | 
|  211   execsql {SELECT length(b) FROM t1} |  | 
|  212 } 1966080 |  | 
|  213 do_test bigrow-5.5 { |  | 
|  214   catchsql {UPDATE t1 SET b=b||b} |  | 
|  215 } {0 {}} |  | 
|  216 do_test bigrow-5.6 { |  | 
|  217   execsql {SELECT length(b) FROM t1} |  | 
|  218 } 3932160 |  | 
|  219 do_test bigrow-5.99 { |  | 
|  220   execsql {DROP TABLE t1} |  | 
|  221 } {} |  | 
|  222  |  | 
|  223 finish_test |  | 
| OLD | NEW |