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| 1 # 2012 August 6 | |
| 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 # | |
| 12 | |
| 13 | |
| 14 set testdir [file dirname $argv0] | |
| 15 source $testdir/tester.tcl | |
| 16 set ::testprefix index5 | |
| 17 | |
| 18 do_test 1.1 { | |
| 19 if {[permutation]=="memsubsys1"} { | |
| 20 execsql { PRAGMA auto_vacuum = 0; } | |
| 21 } | |
| 22 execsql { | |
| 23 PRAGMA page_size = 1024; | |
| 24 CREATE TABLE t1(x); | |
| 25 BEGIN; | |
| 26 } | |
| 27 for {set i 0} {$i < 100000} {incr i} { | |
| 28 execsql { INSERT INTO t1 VALUES(randstr(100,100)) } | |
| 29 } | |
| 30 execsql COMMIT | |
| 31 execsql { | |
| 32 CREATE INDEX i1 ON t1(x); | |
| 33 DROP INDEX I1; | |
| 34 PRAGMA main.page_size; | |
| 35 } | |
| 36 } {1024} | |
| 37 | |
| 38 db close | |
| 39 testvfs tvfs | |
| 40 tvfs filter xWrite | |
| 41 tvfs script write_cb | |
| 42 proc write_cb {xCall file handle iOfst args} { | |
| 43 if {[file tail $file]=="test.db"} { | |
| 44 lappend ::write_list [expr $iOfst/1024 + 1] | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 do_test 1.2 { | |
| 49 sqlite3 db test.db -vfs tvfs | |
| 50 set ::write_list [list] | |
| 51 execsql { CREATE INDEX i1 ON t1(x) } | |
| 52 } {} | |
| 53 | |
| 54 do_test 1.3 { | |
| 55 set nForward 0 | |
| 56 set nBackward 0 | |
| 57 set nNoncont 0 | |
| 58 set iPrev [lindex $::write_list 0] | |
| 59 for {set i 1} {$i < [llength $::write_list]} {incr i} { | |
| 60 set iNext [lindex $::write_list $i] | |
| 61 if {$iNext==($iPrev+1)} { | |
| 62 incr nForward | |
| 63 } elseif {$iNext==($iPrev-1)} { | |
| 64 incr nBackward | |
| 65 } else { | |
| 66 incr nNoncont | |
| 67 } | |
| 68 set iPrev $iNext | |
| 69 } | |
| 70 puts -nonewline \ | |
| 71 " (forward=$nForward, back=$nBackward, noncontiguous=$nNoncont)" | |
| 72 | |
| 73 expr {$nForward > 2*($nBackward + $nNoncont)} | |
| 74 } {1} | |
| 75 db close | |
| 76 tvfs delete | |
| 77 | |
| 78 finish_test | |
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Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
