Index: third_party/sqlite/sqlite-src-3070603/test/speed1.test |
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index 0000000000000000000000000000000000000000..86d13ba4aee7d005c24a1979ac24c532707405ec |
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+# 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 1.11 2009/04/09 01:23:49 drh Exp $ |
+# |
+ |
+sqlite3_shutdown |
+#sqlite3_config_scratch 29000 1 |
+set old_lookaside [sqlite3_config_lookaside 1000 300] |
+#sqlite3_config_pagecache 1024 10000 |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+speed_trial_init speed1 |
+ |
+# Set a uniform random seed |
+expr srand(0) |
+ |
+set sqlout [open speed1.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 $txt |
+} |
+ |
+# Create a database schema. |
+# |
+do_test speed1-1.0 { |
+ execsql { |
+ PRAGMA page_size=1024; |
+ PRAGMA cache_size=8192; |
+ PRAGMA locking_mode=EXCLUSIVE; |
+ CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT); |
+ CREATE TABLE t2(a INTEGER, b INTEGER, c TEXT); |
+ CREATE INDEX i2a ON t2(a); |
+ CREATE INDEX i2b ON t2(b); |
+ } |
+ execsql { |
+ SELECT name FROM sqlite_master ORDER BY 1; |
+ } |
+} {i2a i2b t1 t2} |
+ |
+ |
+# 50000 INSERTs on an unindexed table |
+# |
+set sql {} |
+for {set i 1} {$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 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 $sql |
+db eval COMMIT |
+ |
+# 100000 random SELECTs against rowid. |
+# |
+set sql {} |
+for {set i 1} {$i<=100000} {incr i} { |
+ set id [expr {int(rand()*50000)+1}] |
+ append sql "SELECT c FROM t1 WHERE rowid=$id;" |
+} |
+db eval BEGIN |
+speed_trial speed1-select4 100000 row $sql |
+db eval COMMIT |
+ |
+# 100000 random SELECTs against a unique indexed column. |
+# |
+set sql {} |
+for {set i 1} {$i<=100000} {incr i} { |
+ set id [expr {int(rand()*50000)+1}] |
+ append sql "SELECT c FROM t1 WHERE a=$id;" |
+} |
+db eval BEGIN |
+speed_trial speed1-select5 100000 row $sql |
+db eval COMMIT |
+ |
+# 50000 random SELECTs against an indexed column text column |
+# |
+set sql {} |
+db eval {SELECT c FROM t1 ORDER BY random() LIMIT 50000} { |
+ append sql "SELECT c FROM t1 WHERE c='$c';" |
+} |
+db eval BEGIN |
+speed_trial speed1-select6 50000 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 |
+speed_trial_summary speed1 |
+ |
+db close |
+sqlite3_shutdown |
+eval sqlite3_config_lookaside $old_lookaside |
+sqlite3_initialize |
+autoinstall_test_functions |
+finish_test |