[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/speed1p.explain

Index: third_party/sqlite/sqlite-src-3080704/test/speed1p.explain
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-# 2008 March 21
-#
-# 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.  
-#
-# This is a copy of speed1.test modified to user prepared statements.
-#
-# $Id: speed1p.explain,v 1.1 2008/04/16 12:57:48 drh Exp $
-#
-
-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 $txt
-}
-
-# Create a database schema.
-#
-do_test speed1p-1.0 {
-  execsql {
-    PRAGMA page_size=1024;
-    PRAGMA cache_size=8192;
-    PRAGMA locking_mode=EXCLUSIVE;
-    CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT);
-    CREATE TABLE t2(a INTEGER, b INTEGER, c TEXT);
-    CREATE INDEX i2a ON t2(a);
-    CREATE INDEX i2b ON t2(b);
-  }
-  execsql {
-    SELECT name FROM sqlite_master ORDER BY 1;
-  }
-} {i2a i2b t1 t2}
-
-
-# 50000 INSERTs on an unindexed table
-#
-set list {}
-for {set i 1} {$i<=50000} {incr i} {
-  set r [expr {int(rand()*500000)}]
-  set x [number_name $r]
-  lappend list $i $r $x
-}
-set script {
-  foreach {i r x} $::list {
-    db eval {INSERT INTO t1 VALUES($i,$r,$x)}
-  }
-}
-explain {INSERT INTO t1 VALUES($i,$r,$x)}
-db eval BEGIN
-speed_trial_tcl speed1p-insert1 50000 row $script
-db eval COMMIT
-
-# 50000 INSERTs on an indexed table
-#
-set list {}
-for {set i 1} {$i<=50000} {incr i} {
-  set r [expr {int(rand()*500000)}]
-  set x [number_name $r]
-  lappend list $i $r $x
-}
-set script {
-  foreach {i r x} $::list {
-    db eval {INSERT INTO t2 VALUES($i,$r,$x)}
-  }
-}
-explain {INSERT INTO t2 VALUES($i,$r,$x)}
-db eval BEGIN
-speed_trial_tcl speed1p-insert2 50000 row $script
-db eval COMMIT
-
-
-
-# 50 SELECTs on an integer comparison.  There is no index so
-# a full table scan is required.
-#
-set list {}
-for {set i 0} {$i<50} {incr i} {
-  set lwr [expr {$i*100}]
-  set upr [expr {($i+10)*100}]
-  lappend list $lwr $upr
-}
-set script {
-  foreach {lwr upr} $::list {
-    db eval  {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr}
-  }
-}
-explain {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr}
-db eval BEGIN
-speed_trial_tcl speed1p-select1 [expr {50*50000}] row $script
-db eval COMMIT
-
-# 50 SELECTs on an LIKE comparison.  There is no index so a full
-# table scan is required.
-#
-set list {}
-for {set i 0} {$i<50} {incr i} {
-  lappend list "%[number_name $i]%"
-}
-set script {
-  foreach pattern $::list {
-    db eval {SELECT count(*), avg(b) FROM t1 WHERE c LIKE $pattern}
-  }
-}
-explain {SELECT count(*), avg(b) FROM t1 WHERE c LIKE $pattern}
-db eval BEGIN
-speed_trial_tcl speed1p-select2 [expr {50*50000}] row $script
-db eval COMMIT
-
-# Create indices
-#
-explain {CREATE INDEX i1a ON t1(a)}
-explain {CREATE INDEX i1b ON t1(b)}
-db eval BEGIN
-speed_trial speed1p-createidx 150000 row {
-  CREATE INDEX i1a ON t1(a);
-  CREATE INDEX i1b ON t1(b);
-  CREATE INDEX i1c ON t1(c);
-}
-db eval COMMIT
-
-# 5000 SELECTs on an integer comparison where the integer is
-# indexed.
-#
-set list {}
-for {set i 0} {$i<5000} {incr i} {
-  set lwr [expr {$i*100}]
-  set upr [expr {($i+10)*100}]
-  lappend list $lwr $upr
-}
-set script {
-  foreach {lwr upr} $::list {
-    db eval {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr}
-  }
-}
-explain {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr}
-db eval BEGIN
-speed_trial_tcl speed1p-select3 5000 stmt $script
-db eval COMMIT
-
-# 100000 random SELECTs against rowid.
-#
-set list {}
-for {set i 1} {$i<=100000} {incr i} {
-  set id [expr {int(rand()*50000)+1}]
-  lappend list $id
-}
-set script {
-  foreach id $::list {
-    db eval {SELECT c FROM t1 WHERE rowid=$id}
-  }
-}
-explain {SELECT c FROM t1 WHERE rowid=$id}
-db eval BEGIN
-speed_trial_tcl speed1p-select4 100000 row $script
-db eval COMMIT
-
-# 100000 random SELECTs against a unique indexed column.
-#
-set list {}
-for {set i 1} {$i<=100000} {incr i} {
-  set id [expr {int(rand()*50000)+1}]
-  lappend list $id
-}
-set script {
-  foreach id $::list {
-    db eval {SELECT c FROM t1 WHERE a=$id}
-  }
-}
-explain {SELECT c FROM t1 WHERE a=$id}
-db eval BEGIN
-speed_trial_tcl speed1p-select5 100000 row $script
-db eval COMMIT
-
-# 50000 random SELECTs against an indexed column text column
-#
-set list [db eval {SELECT c FROM t1 ORDER BY random() LIMIT 50000}]
-set script {
-  foreach c $::list {
-    db eval {SELECT c FROM t1 WHERE c=$c}
-  }
-}
-explain {SELECT c FROM t1 WHERE c=$c}
-db eval BEGIN
-speed_trial_tcl speed1p-select6 50000 row $script
-db eval COMMIT
-
-
-# Vacuum
-speed_trial speed1p-vacuum 100000 row VACUUM
-
-# 5000 updates of ranges where the field being compared is indexed.
-#
-set list {}
-for {set i 0} {$i<5000} {incr i} {
-  set lwr [expr {$i*2}]
-  set upr [expr {($i+1)*2}]
-  lappend list $lwr $upr
-}
-set script {
-  foreach {lwr upr} $::list {
-    db eval {UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr}
-  }
-}
-explain {UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr}
-db eval BEGIN
-speed_trial_tcl speed1p-update1 5000 stmt $script
-db eval COMMIT
-
-# 50000 single-row updates.  An index is used to find the row quickly.
-#
-set list {}
-for {set i 0} {$i<50000} {incr i} {
-  set r [expr {int(rand()*500000)}]
-  lappend list $i $r
-}
-set script {
-  foreach {i r} $::list {
-    db eval {UPDATE t1 SET b=$r WHERE a=$i}
-  }
-}
-explain {UPDATE t1 SET b=$r WHERE a=$i}
-db eval BEGIN
-speed_trial_tcl speed1p-update2 50000 row $script
-db eval COMMIT
-
-# 1 big text update that touches every row in the table.
-#
-explain {UPDATE t1 SET c=a}
-speed_trial speed1p-update3 50000 row {
-  UPDATE t1 SET c=a;
-}
-
-# Many individual text updates.  Each row in the table is
-# touched through an index.
-#
-set list {}
-for {set i 1} {$i<=50000} {incr i} {
-  set r [expr {int(rand()*500000)}]
-  lappend list $i [number_name $r]
-}
-set script {
-  foreach {i x} $::list {
-    db eval {UPDATE t1 SET c=$x WHERE a=$i}
-  }
-}
-explain {UPDATE t1 SET c=$x WHERE a=$i}
-db eval BEGIN
-speed_trial_tcl speed1p-update4 50000 row $script
-db eval COMMIT
-
-# Delete all content in a table.
-#
-explain {DELETE FROM t1}
-speed_trial speed1p-delete1 50000 row {DELETE FROM t1}
-
-# Copy one table into another
-#
-explain {INSERT INTO t1 SELECT * FROM t2}
-speed_trial speed1p-copy1 50000 row {INSERT INTO t1 SELECT * FROM t2}
-
-# Delete all content in a table, one row at a time.
-#
-explain {DELETE FROM t1 WHERE 1}
-speed_trial speed1p-delete2 50000 row {DELETE FROM t1 WHERE 1}
-
-# Refill the table yet again
-#
-speed_trial speed1p-copy2 50000 row {INSERT INTO t1 SELECT * FROM t2}
-
-# Drop the table and recreate it without its indices.
-#
-explain {DROP TABLE t1}
-explain {CREATE TABLE tX(a INTEGER, b INTEGER, c TEXT)}
-db eval BEGIN
-speed_trial speed1p-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 speed1p-copy3 50000 row {INSERT INTO t1 SELECT * FROM t2}
-
-# Select 20000 rows from the table at random.
-#
-explain {SELECT rowid FROM t1 ORDER BY random() LIMIT 20000}
-speed_trial speed1p-random1 50000 row {
-  SELECT rowid FROM t1 ORDER BY random() LIMIT 20000
-}
-
-# Delete 20000 random rows from the table.
-#
-explain {DELETE FROM t1 WHERE rowid IN
-    (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000)}
-speed_trial speed1p-random-del1 20000 row {
-  DELETE FROM t1 WHERE rowid IN
-    (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000)
-}
-do_test speed1p-1.1 {
-  db one {SELECT count(*) FROM t1}
-} 30000
-
-    
-# Delete 20000 more rows at random from the table.
-#
-speed_trial speed1p-random-del2 20000 row {
-  DELETE FROM t1 WHERE rowid IN
-    (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000)
-}
-do_test speed1p-1.2 {
-  db one {SELECT count(*) FROM t1}
-} 10000
-speed_trial_summary speed1
-
-finish_test