[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/speed4.test

Index: third_party/sqlite/sqlite-src-3080704/test/speed4.test
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-# 2007 October 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. More specifically,
-# the focus is on the speed of:
-#
-#   * joins
-#   * views
-#   * sub-selects
-#   * triggers
-#
-# $Id: speed4.test,v 1.2 2008/07/12 14:52:20 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 $txt
-}
-
-# Summary of tests:
-#
-#   speed4-join1: Join three tables using IPK index.
-#   speed4-join2: Join three tables using an index.
-#   speed4-join3: Join two tables without an index.
-#
-#   speed4-view1:  Querying a view.
-#   speed4-table1: Same queries as in speed4-view1, but run directly against
-#                  the tables for comparison purposes.
-#
-#   speed4-subselect1: A SELECT statement that uses many sub-queries..
-#
-#   speed4-trigger1: An INSERT statement that fires a trigger.
-#   speed4-trigger2: An UPDATE statement that fires a trigger.
-#   speed4-trigger3: A DELETE statement that fires a trigger.
-#   speed4-notrigger1: Same operation as trigger1, but without the trigger.
-#   speed4-notrigger2:        "          trigger2           "
-#   speed4-notrigger3:        "          trigger3           "
-#
-
-# Set up the schema. Each of the tables t1, t2 and t3 contain 50,000 rows.
-# This creates a database of around 16MB.
-execsql {
-  BEGIN;
-  CREATE TABLE t1(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT);
-  CREATE TABLE t2(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT);
-  CREATE TABLE t3(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT);
-
-  CREATE VIEW v1 AS SELECT rowid, i, t FROM t1;
-  CREATE VIEW v2 AS SELECT rowid, i, t FROM t2;
-  CREATE VIEW v3 AS SELECT rowid, i, t FROM t3;
-}
-for {set jj 1} {$jj <= 3} {incr jj} {
-  set stmt [string map "%T% t$jj" {INSERT INTO %T% VALUES(NULL, $i, $t)}]
-  for {set ii 0} {$ii < 50000} {incr ii} {
-    set i [expr {int(rand()*50000)}]
-    set t [number_name $i]
-    execsql $stmt
-  }
-}
-execsql {
-  CREATE INDEX i1 ON t1(t);
-  CREATE INDEX i2 ON t2(t);
-  CREATE INDEX i3 ON t3(t);
-  COMMIT;
-}
-
-# Before running these tests, disable the compiled statement cache built into
-# the Tcl interface. This is because we want to test the speed of SQL
-# compilation as well as execution.
-#
-db cache size 0
-
-# Join t1, t2, t3 on IPK.
-set sql "SELECT * FROM t1, t2, t3 WHERE t1.oid = t2.oid AND t2.oid = t3.oid"
-speed_trial speed4-join1 50000 row $sql
-
-# Join t1, t2, t3 on the non-IPK index.
-set sql "SELECT * FROM t1, t2, t3 WHERE t1.t = t2.t AND t2.t = t3.t"
-speed_trial speed4-join2 50000 row $sql
-
-# Run 10000 simple queries against the views.
-set sql ""
-for {set ii 1} {$ii < 10000} {incr ii} {
-  append sql "SELECT * FROM v[expr {($ii%3)+1}] WHERE rowid = [expr {$ii*3}];"
-}
-speed_trial speed4-view1 10000 stmt $sql
-
-# Run the same 10000 simple queries as in the previous test case against
-# the underlying tables. The compiled vdbe programs should be identical, so
-# the only difference in running time is the extra time taken to compile
-# the view definitions.
-#
-set sql ""
-for {set ii 1} {$ii < 10000} {incr ii} {
-  append sql "SELECT t FROM t[expr {($ii%3)+1}] WHERE rowid = [expr {$ii*3}];"
-}
-speed_trial speed4-table1 10000 stmt $sql
-
-# Run a SELECT that uses sub-queries 10000 times. A total of 30000 sub-selects.
-#
-set sql ""
-for {set ii 1} {$ii < 10000} {incr ii} {
-  append sql "
-    SELECT (SELECT t FROM t1 WHERE rowid = [expr {$ii*3}]), 
-           (SELECT t FROM t2 WHERE rowid = [expr {$ii*3}]), 
-           (SELECT t FROM t3 WHERE rowid = [expr {$ii*3}])
-  ;"
-}
-speed_trial speed4-subselect1 10000 stmt $sql
-
-# The following block tests the speed of some DML statements that cause
-# triggers to fire.
-#
-execsql {
-  CREATE TABLE log(op TEXT, r INTEGER, i INTEGER, t TEXT);
-  CREATE TABLE t4(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT);
-  CREATE TRIGGER t4_trigger1 AFTER INSERT ON t4 BEGIN
-    INSERT INTO log VALUES('INSERT INTO t4', new.rowid, new.i, new.t);
-  END;
-  CREATE TRIGGER t4_trigger2 AFTER UPDATE ON t4 BEGIN
-    INSERT INTO log VALUES('UPDATE OF t4', new.rowid, new.i, new.t);
-  END;
-  CREATE TRIGGER t4_trigger3 AFTER DELETE ON t4 BEGIN
-    INSERT INTO log VALUES('DELETE OF t4', old.rowid, old.i, old.t);
-  END;
-  BEGIN;
-}
-set sql ""
-for {set ii 1} {$ii < 10000} {incr ii} {
-  append sql "INSERT INTO t4 VALUES(NULL, $ii, '[number_name $ii]');"
-}
-speed_trial speed4-trigger1 10000 stmt $sql
-set sql ""
-for {set ii 1} {$ii < 20000} {incr ii 2} {
-  set ii2 [expr {$ii*2}]
-  append sql "
-    UPDATE t4 SET i = $ii2, t = '[number_name $ii2]' WHERE rowid = $ii;
-  "
-}
-speed_trial speed4-trigger2 10000 stmt $sql
-set sql ""
-for {set ii 1} {$ii < 20000} {incr ii 2} {
-  append sql "DELETE FROM t4 WHERE rowid = $ii;"
-}
-speed_trial speed4-trigger3 10000 stmt $sql
-execsql {COMMIT}
-
-# The following block contains the same tests as the above block that
-# tests triggers, with one crucial difference: no triggers are defined.
-# So the difference in speed between these tests and the preceding ones
-# is the amount of time taken to compile and execute the trigger programs.
-#
-execsql {
-  DROP TABLE t4;
-  DROP TABLE log;
-  VACUUM;
-  CREATE TABLE t4(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT);
-  BEGIN;
-}
-set sql ""
-for {set ii 1} {$ii < 10000} {incr ii} {
-  append sql "INSERT INTO t4 VALUES(NULL, $ii, '[number_name $ii]');"
-}
-speed_trial speed4-notrigger1 10000 stmt $sql
-set sql ""
-for {set ii 1} {$ii < 20000} {incr ii 2} {
-  set ii2 [expr {$ii*2}]
-  append sql "
-    UPDATE t4 SET i = $ii2, t = '[number_name $ii2]' WHERE rowid = $ii;
-  "
-}
-speed_trial speed4-notrigger2 10000 stmt $sql
-set sql ""
-for {set ii 1} {$ii < 20000} {incr ii 2} {
-  append sql "DELETE FROM t4 WHERE rowid = $ii;"
-}
-speed_trial speed4-notrigger3 10000 stmt $sql
-execsql {COMMIT}
-
-speed_trial_summary speed4
-finish_test