-C http://www.sqlite.org/cvstrac/tktview?tn=2046\n\nThe\svirtual\stable\sinterface\sallows\sfor\sa\scursor\sto\sfield\smultiple\nxFilter()\scalls.\s\sFor\sinstance,\sif\sa\sjoin\sis\sdone\swith\sa\svirtual\ntable,\sthere\scould\sbe\sa\scall\sfor\seach\srow\swhich\spotentially\smatches.\nUnfortunately,\sfulltextFilter()\sassumes\sthat\sit\shas\sa\sfresh\scursor,\nand\soverwrites\sa\sprepared\sstatement\sand\sa\smalloc'ed\spointer,\sresulting\nin\sunfinalized\sstatements\sand\sa\smemory\sleak.\n\nThis\schange\shacks\sthe\scode\sto\smanually\sclean\sup\soffending\sitems\sin\nfulltextFilter(),\semphasis\son\s"hacks",\ssince\sit's\sa\sfragile\sfix\ninsofar\sas\sfuture\sadditions\sto\sfulltext_cursor\scould\scontinue\sto\shave\nthe\sproblem.\s(CVS\s3521)
-D 2006-11-29T05:17:28
+C Added\sthe\sspeed1.test\sscript\s(CVS\s3522)
+D 2006-11-29T20:53:00
F Makefile.in 8e14898d41a53033ecb687d93c9cd5d109fb9ae3
F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
F test/shared3.test 01e3e124dbb3859788aabc7cfb82f7ea04421749
F test/shared_err.test 299a9180a6376b2089e8e0d469f383fe91bfa4ff
F test/sort.test 0e4456e729e5a92a625907c63dcdedfbe72c5dc5
+F test/speed1.test 40d80b115273c82200e96359180adb727ae76d68
F test/subquery.test ae324ee928c5fb463a3ce08a8860d6e7f1ca5797
F test/subselect.test 2d13fb7f450db3595adcdd24079a0dd1d2d6abc2
F test/sync.test d05397b8f89f423dd6dba528692019ab036bc1c3
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P c8151a998ec2423b417566823dc9957c7d5d782c
-R f017f7c21acd0dc81410dabbd79839d6
-U shess
-Z 7ba30b5c9f8e043c81e82dcfd18e4b5c
+P 18142fdb6d1f5bfdbb1155274502b9a602885fcb
+R 590b2542fbd343bc6050f65cab5d384c
+U drh
+Z f39cd1a25039ed82be237a01b15c2aa9
--- /dev/null
+# 2006 November 23
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#*************************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this script is measuring executing speed.
+#
+# $Id: speed1.test,v 1.1 2006/11/29 20:53:00 drh Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# The number_name procedure below converts its argment (an integer)
+# into a string which is the English-language name for that number.
+#
+# Example:
+#
+# puts [number_name 123] -> "one hundred twenty three"
+#
+set ones {zero one two three four five six seven eight nine
+ ten eleven twelve thirteen fourteen fifteen sixteen seventeen
+ eighteen nineteen}
+set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety}
+proc number_name {n} {
+ if {$n>=1000} {
+ set txt "[number_name [expr {$n/1000}]] thousand"
+ set n [expr {$n%1000}]
+ } else {
+ set txt {}
+ }
+ if {$n>=100} {
+ append txt " [lindex $::ones [expr {$n/100}]] hundred"
+ set n [expr {$n%100}]
+ }
+ if {$n>=20} {
+ append txt " [lindex $::tens [expr {$n/10}]]"
+ set n [expr {$n%10}]
+ }
+ if {$n>0} {
+ append txt " [lindex $::ones $n]"
+ }
+ set txt [string trim $txt]
+ if {$txt==""} {set txt zero}
+ return $txt
+}
+
+# Create a database schema.
+#
+do_test speed1-1.0 {
+ execsql {
+ CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT);
+ CREATE TABLE t2(a INTEGER, b INTEGER, c TEXT);
+ CREATE INDEX i2a ON t2(a);
+ CREATE INDEX i2b ON t2(b);
+ SELECT name FROM sqlite_master ORDER BY 1;
+ }
+} {i2a i2b t1 t2}
+
+
+# 50000 INSERTs on an unindexed table
+#
+set sql {}
+for {set i 1} {$i<=50000} {incr i} {
+ set r [expr {int(rand()*500000)}]
+ append sql "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');\n"
+}
+db eval BEGIN
+speed_trial speed1-insert1 50000 row $sql
+db eval COMMIT
+
+# 50000 INSERTs on an indexed table
+#
+set sql {}
+for {set i 1} {$i<=50000} {incr i} {
+ set r [expr {int(rand()*500000)}]
+ append sql "INSERT INTO t2 VALUES($i,$r,'[number_name $r]');\n"
+}
+db eval BEGIN
+speed_trial speed1-insert2 50000 row $sql
+db eval COMMIT
+
+
+
+# 50 SELECTs on an integer comparison. There is no index so
+# a full table scan is required.
+#
+set sql {}
+for {set i 0} {$i<50} {incr i} {
+ set lwr [expr {$i*100}]
+ set upr [expr {($i+10)*100}]
+ append sql "SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr;"
+}
+db eval BEGIN
+speed_trial speed1-select1 [expr {50*50000}] row $sql
+db eval COMMIT
+
+# 50 SELECTs on an LIKE comparison. There is no index so a full
+# table scan is required.
+#
+set sql {}
+for {set i 0} {$i<50} {incr i} {
+ append sql \
+ "SELECT count(*), avg(b) FROM t1 WHERE c LIKE '%[number_name $i]%';"
+}
+db eval BEGIN
+speed_trial speed1-select2 [expr {50*50000}] row $sql
+db eval COMMIT
+
+# Create indices
+#
+db eval BEGIN
+speed_trial speed1-createidx 150000 row {
+ CREATE INDEX i1a ON t1(a);
+ CREATE INDEX i1b ON t1(b);
+ CREATE INDEX i1c ON t1(c);
+}
+db eval COMMIT
+
+# 5000 SELECTs on an integer comparison where the integer is
+# indexed.
+#
+set sql {}
+for {set i 0} {$i<5000} {incr i} {
+ set lwr [expr {$i*100}]
+ set upr [expr {($i+10)*100}]
+ append sql "SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr;"
+}
+db eval BEGIN
+speed_trial speed1-select3 5000 stmt $sql
+db eval COMMIT
+
+# 20000 random SELECTs against rowid.
+#
+set sql {}
+for {set i 1} {$i<=20000} {incr i} {
+ set id [expr {int(rand()*50000)+1}]
+ append sql "SELECT c FROM t1 WHERE rowid=$id;"
+}
+db eval BEGIN
+speed_trial speed1-select4 20000 row $sql
+db eval COMMIT
+
+# 20000 random SELECTs against a unique indexed column.
+#
+set sql {}
+for {set i 1} {$i<=20000} {incr i} {
+ set id [expr {int(rand()*50000)+1}]
+ append sql "SELECT c FROM t1 WHERE a=$id;"
+}
+db eval BEGIN
+speed_trial speed1-select5 20000 row $sql
+db eval COMMIT
+
+# 20000 random SELECTs against an indexed column text column
+#
+set sql {}
+db eval {SELECT c FROM t1 ORDER BY random() LIMIT 20000} {
+ append sql "SELECT c FROM t1 WHERE c='$c';"
+}
+db eval BEGIN
+speed_trial speed1-select6 20000 row $sql
+db eval COMMIT
+
+
+# Vacuum
+speed_trial speed1-vacuum 100000 row VACUUM
+
+# 5000 updates of ranges where the field being compared is indexed.
+#
+set sql {}
+for {set i 0} {$i<5000} {incr i} {
+ set lwr [expr {$i*2}]
+ set upr [expr {($i+1)*2}]
+ append sql "UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr;"
+}
+db eval BEGIN
+speed_trial speed1-update1 5000 stmt $sql
+db eval COMMIT
+
+# 50000 single-row updates. An index is used to find the row quickly.
+#
+set sql {}
+for {set i 0} {$i<50000} {incr i} {
+ set r [expr {int(rand()*500000)}]
+ append sql "UPDATE t1 SET b=$r WHERE a=$i;"
+}
+db eval BEGIN
+speed_trial speed1-update2 50000 row $sql
+db eval COMMIT
+
+# 1 big text update that touches every row in the table.
+#
+speed_trial speed1-update3 50000 row {
+ UPDATE t1 SET c=a;
+}
+
+# Many individual text updates. Each row in the table is
+# touched through an index.
+#
+set sql {}
+for {set i 1} {$i<=50000} {incr i} {
+ set r [expr {int(rand()*500000)}]
+ append sql "UPDATE t1 SET c='[number_name $r]' WHERE a=$i;"
+}
+db eval BEGIN
+speed_trial speed1-update4 50000 row $sql
+db eval COMMIT
+
+# Delete all content in a table.
+#
+speed_trial speed1-delete1 50000 row {DELETE FROM t1}
+
+# Copy one table into another
+#
+speed_trial speed1-copy1 50000 row {INSERT INTO t1 SELECT * FROM t2}
+
+# Delete all content in a table, one row at a time.
+#
+speed_trial speed1-delete2 50000 row {DELETE FROM t1 WHERE 1}
+
+# Refill the table yet again
+#
+speed_trial speed1-copy2 50000 row {INSERT INTO t1 SELECT * FROM t2}
+
+# Drop the table and recreate it without its indices.
+#
+db eval BEGIN
+speed_trial speed1-drop1 50000 row {
+ DROP TABLE t1;
+ CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT);
+}
+db eval COMMIT
+
+# Refill the table yet again. This copy should be faster because
+# there are no indices to deal with.
+#
+speed_trial speed1-copy3 50000 row {INSERT INTO t1 SELECT * FROM t2}
+
+# Select 20000 rows from the table at random.
+#
+speed_trial speed1-random1 50000 row {
+ SELECT rowid FROM t1 ORDER BY random() LIMIT 20000
+}
+
+# Delete 20000 random rows from the table.
+#
+speed_trial speed1-random-del1 20000 row {
+ DELETE FROM t1 WHERE rowid IN
+ (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000)
+}
+do_test speed1-1.1 {
+ db one {SELECT count(*) FROM t1}
+} 30000
+
+
+# Delete 20000 more rows at random from the table.
+#
+speed_trial speed1-random-del2 20000 row {
+ DELETE FROM t1 WHERE rowid IN
+ (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000)
+}
+do_test speed1-1.2 {
+ db one {SELECT count(*) FROM t1}
+} 10000
+
+finish_test
projects / thirdparty / sqlite.git / commitdiff
