OLD | NEW |
(Empty) | |
| 1 # 2008 March 21 |
| 2 # |
| 3 # The author disclaims copyright to this source code. In place of |
| 4 # a legal notice, here is a blessing: |
| 5 # |
| 6 # May you do good and not evil. |
| 7 # May you find forgiveness for yourself and forgive others. |
| 8 # May you share freely, never taking more than you give. |
| 9 # |
| 10 #************************************************************************* |
| 11 # This file implements regression tests for SQLite library. The |
| 12 # focus of this script is measuring executing speed. |
| 13 # |
| 14 # This is a copy of speed1.test modified to user prepared statements. |
| 15 # |
| 16 # $Id: speed1p.test,v 1.7 2009/04/09 01:23:49 drh Exp $ |
| 17 # |
| 18 |
| 19 sqlite3_shutdown |
| 20 #sqlite3_config_scratch 29000 1 |
| 21 set old_lookaside [sqlite3_config_lookaside 2048 300] |
| 22 #sqlite3_config_pagecache 1024 11000 |
| 23 set testdir [file dirname $argv0] |
| 24 source $testdir/tester.tcl |
| 25 speed_trial_init speed1 |
| 26 |
| 27 # Set a uniform random seed |
| 28 expr srand(0) |
| 29 |
| 30 # The number_name procedure below converts its argment (an integer) |
| 31 # into a string which is the English-language name for that number. |
| 32 # |
| 33 # Example: |
| 34 # |
| 35 # puts [number_name 123] -> "one hundred twenty three" |
| 36 # |
| 37 set ones {zero one two three four five six seven eight nine |
| 38 ten eleven twelve thirteen fourteen fifteen sixteen seventeen |
| 39 eighteen nineteen} |
| 40 set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety} |
| 41 proc number_name {n} { |
| 42 if {$n>=1000} { |
| 43 set txt "[number_name [expr {$n/1000}]] thousand" |
| 44 set n [expr {$n%1000}] |
| 45 } else { |
| 46 set txt {} |
| 47 } |
| 48 if {$n>=100} { |
| 49 append txt " [lindex $::ones [expr {$n/100}]] hundred" |
| 50 set n [expr {$n%100}] |
| 51 } |
| 52 if {$n>=20} { |
| 53 append txt " [lindex $::tens [expr {$n/10}]]" |
| 54 set n [expr {$n%10}] |
| 55 } |
| 56 if {$n>0} { |
| 57 append txt " [lindex $::ones $n]" |
| 58 } |
| 59 set txt [string trim $txt] |
| 60 if {$txt==""} {set txt zero} |
| 61 return $txt |
| 62 } |
| 63 |
| 64 # Create a database schema. |
| 65 # |
| 66 do_test speed1p-1.0 { |
| 67 execsql { |
| 68 PRAGMA page_size=1024; |
| 69 PRAGMA cache_size=500; |
| 70 PRAGMA locking_mode=EXCLUSIVE; |
| 71 CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT); |
| 72 CREATE TABLE t2(a INTEGER, b INTEGER, c TEXT); |
| 73 CREATE INDEX i2a ON t2(a); |
| 74 CREATE INDEX i2b ON t2(b); |
| 75 } |
| 76 execsql { |
| 77 SELECT name FROM sqlite_master ORDER BY 1; |
| 78 } |
| 79 } {i2a i2b t1 t2} |
| 80 |
| 81 |
| 82 # 50000 INSERTs on an unindexed table |
| 83 # |
| 84 set list {} |
| 85 for {set i 1} {$i<=50000} {incr i} { |
| 86 set r [expr {int(rand()*500000)}] |
| 87 set x [number_name $r] |
| 88 lappend list $i $r $x |
| 89 } |
| 90 set script { |
| 91 foreach {i r x} $::list { |
| 92 db eval {INSERT INTO t1 VALUES($i,$r,$x)} |
| 93 } |
| 94 } |
| 95 db eval BEGIN |
| 96 speed_trial_tcl speed1p-insert1 50000 row $script |
| 97 db eval COMMIT |
| 98 |
| 99 # 50000 INSERTs on an indexed table |
| 100 # |
| 101 set list {} |
| 102 for {set i 1} {$i<=50000} {incr i} { |
| 103 set r [expr {int(rand()*500000)}] |
| 104 set x [number_name $r] |
| 105 lappend list $i $r $x |
| 106 } |
| 107 set script { |
| 108 foreach {i r x} $::list { |
| 109 db eval {INSERT INTO t2 VALUES($i,$r,$x)} |
| 110 } |
| 111 } |
| 112 db eval BEGIN |
| 113 speed_trial_tcl speed1p-insert2 50000 row $script |
| 114 db eval COMMIT |
| 115 |
| 116 |
| 117 |
| 118 # 50 SELECTs on an integer comparison. There is no index so |
| 119 # a full table scan is required. |
| 120 # |
| 121 set list {} |
| 122 for {set i 0} {$i<50} {incr i} { |
| 123 set lwr [expr {$i*100}] |
| 124 set upr [expr {($i+10)*100}] |
| 125 lappend list $lwr $upr |
| 126 } |
| 127 set script { |
| 128 foreach {lwr upr} $::list { |
| 129 db eval {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr} |
| 130 } |
| 131 } |
| 132 db eval BEGIN |
| 133 speed_trial_tcl speed1p-select1 [expr {50*50000}] row $script |
| 134 db eval COMMIT |
| 135 |
| 136 # 50 SELECTs on an LIKE comparison. There is no index so a full |
| 137 # table scan is required. |
| 138 # |
| 139 set list {} |
| 140 for {set i 0} {$i<50} {incr i} { |
| 141 lappend list "%[number_name $i]%" |
| 142 } |
| 143 set script { |
| 144 foreach pattern $::list { |
| 145 db eval {SELECT count(*), avg(b) FROM t1 WHERE c LIKE $pattern} |
| 146 } |
| 147 } |
| 148 db eval BEGIN |
| 149 speed_trial_tcl speed1p-select2 [expr {50*50000}] row $script |
| 150 db eval COMMIT |
| 151 |
| 152 # Create indices |
| 153 # |
| 154 db eval BEGIN |
| 155 speed_trial speed1p-createidx 150000 row { |
| 156 CREATE INDEX i1a ON t1(a); |
| 157 CREATE INDEX i1b ON t1(b); |
| 158 CREATE INDEX i1c ON t1(c); |
| 159 } |
| 160 db eval COMMIT |
| 161 |
| 162 # 5000 SELECTs on an integer comparison where the integer is |
| 163 # indexed. |
| 164 # |
| 165 set list {} |
| 166 for {set i 0} {$i<5000} {incr i} { |
| 167 set lwr [expr {$i*100}] |
| 168 set upr [expr {($i+10)*100}] |
| 169 lappend list $lwr $upr |
| 170 } |
| 171 set script { |
| 172 foreach {lwr upr} $::list { |
| 173 db eval {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr} |
| 174 } |
| 175 } |
| 176 db eval BEGIN |
| 177 speed_trial_tcl speed1p-select3 5000 stmt $script |
| 178 db eval COMMIT |
| 179 |
| 180 # 100000 random SELECTs against rowid. |
| 181 # |
| 182 set list {} |
| 183 for {set i 1} {$i<=100000} {incr i} { |
| 184 set id [expr {int(rand()*50000)+1}] |
| 185 lappend list $id |
| 186 } |
| 187 set script { |
| 188 foreach id $::list { |
| 189 db eval {SELECT c FROM t1 WHERE rowid=$id} |
| 190 } |
| 191 } |
| 192 db eval BEGIN |
| 193 speed_trial_tcl speed1p-select4 100000 row $script |
| 194 db eval COMMIT |
| 195 |
| 196 # 100000 random SELECTs against a unique indexed column. |
| 197 # |
| 198 set list {} |
| 199 for {set i 1} {$i<=100000} {incr i} { |
| 200 set id [expr {int(rand()*50000)+1}] |
| 201 lappend list $id |
| 202 } |
| 203 set script { |
| 204 foreach id $::list { |
| 205 db eval {SELECT c FROM t1 WHERE a=$id} |
| 206 } |
| 207 } |
| 208 db eval BEGIN |
| 209 speed_trial_tcl speed1p-select5 100000 row $script |
| 210 db eval COMMIT |
| 211 |
| 212 # 50000 random SELECTs against an indexed column text column |
| 213 # |
| 214 set list [db eval {SELECT c FROM t1 ORDER BY random() LIMIT 50000}] |
| 215 set script { |
| 216 foreach c $::list { |
| 217 db eval {SELECT c FROM t1 WHERE c=$c} |
| 218 } |
| 219 } |
| 220 db eval BEGIN |
| 221 speed_trial_tcl speed1p-select6 50000 row $script |
| 222 db eval COMMIT |
| 223 |
| 224 |
| 225 # Vacuum |
| 226 speed_trial speed1p-vacuum 100000 row VACUUM |
| 227 |
| 228 # 5000 updates of ranges where the field being compared is indexed. |
| 229 # |
| 230 set list {} |
| 231 for {set i 0} {$i<5000} {incr i} { |
| 232 set lwr [expr {$i*2}] |
| 233 set upr [expr {($i+1)*2}] |
| 234 lappend list $lwr $upr |
| 235 } |
| 236 set script { |
| 237 foreach {lwr upr} $::list { |
| 238 db eval {UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr} |
| 239 } |
| 240 } |
| 241 db eval BEGIN |
| 242 speed_trial_tcl speed1p-update1 5000 stmt $script |
| 243 db eval COMMIT |
| 244 |
| 245 # 50000 single-row updates. An index is used to find the row quickly. |
| 246 # |
| 247 set list {} |
| 248 for {set i 0} {$i<50000} {incr i} { |
| 249 set r [expr {int(rand()*500000)}] |
| 250 lappend list $i $r |
| 251 } |
| 252 set script { |
| 253 foreach {i r} $::list { |
| 254 db eval {UPDATE t1 SET b=$r WHERE a=$i} |
| 255 } |
| 256 } |
| 257 db eval BEGIN |
| 258 speed_trial_tcl speed1p-update2 50000 row $script |
| 259 db eval COMMIT |
| 260 |
| 261 # 1 big text update that touches every row in the table. |
| 262 # |
| 263 speed_trial speed1p-update3 50000 row { |
| 264 UPDATE t1 SET c=a; |
| 265 } |
| 266 |
| 267 # Many individual text updates. Each row in the table is |
| 268 # touched through an index. |
| 269 # |
| 270 set list {} |
| 271 for {set i 1} {$i<=50000} {incr i} { |
| 272 set r [expr {int(rand()*500000)}] |
| 273 lappend list $i [number_name $r] |
| 274 } |
| 275 set script { |
| 276 foreach {i x} $::list { |
| 277 db eval {UPDATE t1 SET c=$x WHERE a=$i} |
| 278 } |
| 279 } |
| 280 db eval BEGIN |
| 281 speed_trial_tcl speed1p-update4 50000 row $script |
| 282 db eval COMMIT |
| 283 |
| 284 # Delete all content in a table. |
| 285 # |
| 286 speed_trial speed1p-delete1 50000 row {DELETE FROM t1} |
| 287 |
| 288 # Copy one table into another |
| 289 # |
| 290 speed_trial speed1p-copy1 50000 row {INSERT INTO t1 SELECT * FROM t2} |
| 291 |
| 292 # Delete all content in a table, one row at a time. |
| 293 # |
| 294 speed_trial speed1p-delete2 50000 row {DELETE FROM t1 WHERE 1} |
| 295 |
| 296 # Refill the table yet again |
| 297 # |
| 298 speed_trial speed1p-copy2 50000 row {INSERT INTO t1 SELECT * FROM t2} |
| 299 |
| 300 # Drop the table and recreate it without its indices. |
| 301 # |
| 302 db eval BEGIN |
| 303 speed_trial speed1p-drop1 50000 row { |
| 304 DROP TABLE t1; |
| 305 CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT); |
| 306 } |
| 307 db eval COMMIT |
| 308 |
| 309 # Refill the table yet again. This copy should be faster because |
| 310 # there are no indices to deal with. |
| 311 # |
| 312 speed_trial speed1p-copy3 50000 row {INSERT INTO t1 SELECT * FROM t2} |
| 313 |
| 314 # Select 20000 rows from the table at random. |
| 315 # |
| 316 speed_trial speed1p-random1 50000 row { |
| 317 SELECT rowid FROM t1 ORDER BY random() LIMIT 20000 |
| 318 } |
| 319 |
| 320 # Delete 20000 random rows from the table. |
| 321 # |
| 322 speed_trial speed1p-random-del1 20000 row { |
| 323 DELETE FROM t1 WHERE rowid IN |
| 324 (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000) |
| 325 } |
| 326 do_test speed1p-1.1 { |
| 327 db one {SELECT count(*) FROM t1} |
| 328 } 30000 |
| 329 |
| 330 # Delete 20000 more rows at random from the table. |
| 331 # |
| 332 speed_trial speed1p-random-del2 20000 row { |
| 333 DELETE FROM t1 WHERE rowid IN |
| 334 (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000) |
| 335 } |
| 336 do_test speed1p-1.2 { |
| 337 db one {SELECT count(*) FROM t1} |
| 338 } 10000 |
| 339 speed_trial_summary speed1 |
| 340 |
| 341 db close |
| 342 sqlite3_shutdown |
| 343 eval sqlite3_config_lookaside $old_lookaside |
| 344 sqlite3_initialize |
| 345 autoinstall_test_functions |
| 346 finish_test |
OLD | NEW |