340 lines
8.4 KiB
Plaintext
340 lines
8.4 KiB
Plaintext
|
# 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: speed2.test,v 1.7 2007/04/16 15:02:20 drh Exp $
|
||
|
|
#
|
||
|
|
|
||
|
|
set testdir [file dirname $argv0]
|
||
|
|
source $testdir/tester.tcl
|
||
|
|
speed_trial_init speed2
|
||
|
|
|
||
|
|
# Set a uniform random seed
|
||
|
|
expr srand(0)
|
||
|
|
|
||
|
|
set sqlout [open speed2.txt w]
|
||
|
|
proc tracesql {sql} {
|
||
|
|
puts $::sqlout $sql\;
|
||
|
|
}
|
||
|
|
#db trace tracesql
|
||
|
|
|
||
|
|
# The number_name procedure below converts its argment (an integer)
|
||
|
|
# into a string which is the English-language name for that number.
|
||
|
|
#
|
||
|
|
# Example:
|
||
|
|
#
|
||
|
|
# puts [number_name 123] -> "one hundred twenty three"
|
||
|
|
#
|
||
|
|
set ones {zero one two three four five six seven eight nine
|
||
|
|
ten eleven twelve thirteen fourteen fifteen sixteen seventeen
|
||
|
|
eighteen nineteen}
|
||
|
|
set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety}
|
||
|
|
proc number_name {n} {
|
||
|
|
if {$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 $txt
|
||
|
|
}
|
||
|
|
|
||
|
|
# Create a database schema.
|
||
|
|
#
|
||
|
|
do_test speed2-1.0 {
|
||
|
|
execsql {
|
||
|
|
PRAGMA page_size=1024;
|
||
|
|
PRAGMA cache_size=8192;
|
||
|
|
PRAGMA locking_mode=EXCLUSIVE;
|
||
|
|
CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT);
|
||
|
|
CREATE TABLE t2(a INTEGER, b INTEGER, c TEXT);
|
||
|
|
CREATE INDEX i2a ON t2(a);
|
||
|
|
CREATE INDEX i2b ON t2(b);
|
||
|
|
}
|
||
|
|
execsql {
|
||
|
|
SELECT name FROM sqlite_master ORDER BY 1;
|
||
|
|
}
|
||
|
|
} {i2a i2b t1 t2}
|
||
|
|
|
||
|
|
|
||
|
|
# 50000 INSERTs on an unindexed table
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 1} {$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 speed2-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 speed2-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;"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select1a [expr {50*50000}] row $sql
|
||
|
|
|
||
|
|
# 50 SELECTs on an LIKE comparison. There is no index so a full
|
||
|
|
# table scan is required.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 0} {$i<50} {incr i} {
|
||
|
|
append sql \
|
||
|
|
"SELECT count(*), avg(b) FROM t1 WHERE c LIKE '%[number_name $i]%';"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select2a [expr {50*50000}] row $sql
|
||
|
|
|
||
|
|
# Vacuum
|
||
|
|
speed_trial speed2-vacuum1 100000 row VACUUM
|
||
|
|
|
||
|
|
# 50 SELECTs on an integer comparison. There is no index so
|
||
|
|
# a full table scan is required.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 0} {$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;"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select1b [expr {50*50000}] row $sql
|
||
|
|
|
||
|
|
# 50 SELECTs on an LIKE comparison. There is no index so a full
|
||
|
|
# table scan is required.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 0} {$i<50} {incr i} {
|
||
|
|
append sql \
|
||
|
|
"SELECT count(*), avg(b) FROM t1 WHERE c LIKE '%[number_name $i]%';"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select2b [expr {50*50000}] row $sql
|
||
|
|
|
||
|
|
# Create indices
|
||
|
|
#
|
||
|
|
db eval BEGIN
|
||
|
|
speed_trial speed2-createidx 150000 row {
|
||
|
|
CREATE INDEX i1a ON t1(a);
|
||
|
|
CREATE INDEX i1b ON t1(b);
|
||
|
|
CREATE INDEX i1c ON t1(c);
|
||
|
|
}
|
||
|
|
db eval COMMIT
|
||
|
|
|
||
|
|
# 5000 SELECTs on an integer comparison where the integer is
|
||
|
|
# indexed.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 0} {$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;"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select3a 5000 stmt $sql
|
||
|
|
|
||
|
|
# 100000 random SELECTs against rowid.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 1} {$i<=100000} {incr i} {
|
||
|
|
set id [expr {int(rand()*50000)+1}]
|
||
|
|
append sql "SELECT c=='hi' FROM t1 WHERE rowid=$id;\n"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select4a 100000 row $sql
|
||
|
|
|
||
|
|
# 100000 random SELECTs against a unique indexed column.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 1} {$i<=100000} {incr i} {
|
||
|
|
set id [expr {int(rand()*50000)+1}]
|
||
|
|
append sql "SELECT c FROM t1 WHERE a=$id;"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select5a 100000 row $sql
|
||
|
|
|
||
|
|
# 50000 random SELECTs against an indexed column text column
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
db eval {SELECT c FROM t1 ORDER BY random() LIMIT 50000} {
|
||
|
|
append sql "SELECT c FROM t1 WHERE c='$c';"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select6a 50000 row $sql
|
||
|
|
|
||
|
|
# Vacuum
|
||
|
|
speed_trial speed2-vacuum2 100000 row VACUUM
|
||
|
|
|
||
|
|
|
||
|
|
# 5000 SELECTs on an integer comparison where the integer is
|
||
|
|
# indexed.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 0} {$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;"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select3b 5000 stmt $sql
|
||
|
|
|
||
|
|
# 100000 random SELECTs against rowid.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 1} {$i<=100000} {incr i} {
|
||
|
|
set id [expr {int(rand()*50000)+1}]
|
||
|
|
append sql "SELECT c=='hi' FROM t1 WHERE rowid=$id;\n"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select4b 100000 row $sql
|
||
|
|
|
||
|
|
# 100000 random SELECTs against a unique indexed column.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 1} {$i<=100000} {incr i} {
|
||
|
|
set id [expr {int(rand()*50000)+1}]
|
||
|
|
append sql "SELECT c FROM t1 WHERE a=$id;"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select5b 100000 row $sql
|
||
|
|
|
||
|
|
# 50000 random SELECTs against an indexed column text column
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
db eval {SELECT c FROM t1 ORDER BY random() LIMIT 50000} {
|
||
|
|
append sql "SELECT c FROM t1 WHERE c='$c';"
|
||
|
|
}
|
||
|
|
speed_trial speed2-select6b 50000 row $sql
|
||
|
|
|
||
|
|
# 5000 updates of ranges where the field being compared is indexed.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 0} {$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 speed2-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 speed2-update2 50000 row $sql
|
||
|
|
db eval COMMIT
|
||
|
|
|
||
|
|
# 1 big text update that touches every row in the table.
|
||
|
|
#
|
||
|
|
speed_trial speed2-update3 50000 row {
|
||
|
|
UPDATE t1 SET c=a;
|
||
|
|
}
|
||
|
|
|
||
|
|
# Many individual text updates. Each row in the table is
|
||
|
|
# touched through an index.
|
||
|
|
#
|
||
|
|
set sql {}
|
||
|
|
for {set i 1} {$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 speed2-update4 50000 row $sql
|
||
|
|
db eval COMMIT
|
||
|
|
|
||
|
|
# Delete all content in a table.
|
||
|
|
#
|
||
|
|
speed_trial speed2-delete1 50000 row {DELETE FROM t1}
|
||
|
|
|
||
|
|
# Copy one table into another
|
||
|
|
#
|
||
|
|
speed_trial speed2-copy1 50000 row {INSERT INTO t1 SELECT * FROM t2}
|
||
|
|
|
||
|
|
# Delete all content in a table, one row at a time.
|
||
|
|
#
|
||
|
|
speed_trial speed2-delete2 50000 row {DELETE FROM t1 WHERE 1}
|
||
|
|
|
||
|
|
# Refill the table yet again
|
||
|
|
#
|
||
|
|
speed_trial speed2-copy2 50000 row {INSERT INTO t1 SELECT * FROM t2}
|
||
|
|
|
||
|
|
# Drop the table and recreate it without its indices.
|
||
|
|
#
|
||
|
|
db eval BEGIN
|
||
|
|
speed_trial speed2-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 speed2-copy3 50000 row {INSERT INTO t1 SELECT * FROM t2}
|
||
|
|
|
||
|
|
# Select 20000 rows from the table at random.
|
||
|
|
#
|
||
|
|
speed_trial speed2-random1 50000 row {
|
||
|
|
SELECT rowid FROM t1 ORDER BY random() LIMIT 20000
|
||
|
|
}
|
||
|
|
|
||
|
|
# Delete 20000 random rows from the table.
|
||
|
|
#
|
||
|
|
speed_trial speed2-random-del1 20000 row {
|
||
|
|
DELETE FROM t1 WHERE rowid IN
|
||
|
|
(SELECT rowid FROM t1 ORDER BY random() LIMIT 20000)
|
||
|
|
}
|
||
|
|
do_test speed2-1.1 {
|
||
|
|
db one {SELECT count(*) FROM t1}
|
||
|
|
} 30000
|
||
|
|
|
||
|
|
|
||
|
|
# Delete 20000 more rows at random from the table.
|
||
|
|
#
|
||
|
|
speed_trial speed2-random-del2 20000 row {
|
||
|
|
DELETE FROM t1 WHERE rowid IN
|
||
|
|
(SELECT rowid FROM t1 ORDER BY random() LIMIT 20000)
|
||
|
|
}
|
||
|
|
do_test speed2-1.2 {
|
||
|
|
db one {SELECT count(*) FROM t1}
|
||
|
|
} 10000
|
||
|
|
speed_trial_summary speed2
|
||
|
|
|
||
|
|
|
||
|
|
finish_test
|