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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 $testdir/tester.tcl | |
25 speed_trial_init speed1 | |
26 | |
27 sqlite3_memdebug_vfs_oom_test 0 | |
28 | |
29 # Set a uniform random seed | |
30 expr srand(0) | |
31 | |
32 # The number_name procedure below converts its argment (an integer) | |
33 # into a string which is the English-language name for that number. | |
34 # | |
35 # Example: | |
36 # | |
37 # puts [number_name 123] -> "one hundred twenty three" | |
38 # | |
39 set ones {zero one two three four five six seven eight nine | |
40 ten eleven twelve thirteen fourteen fifteen sixteen seventeen | |
41 eighteen nineteen} | |
42 set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety} | |
43 proc number_name {n} { | |
44 if {$n>=1000} { | |
45 set txt "[number_name [expr {$n/1000}]] thousand" | |
46 set n [expr {$n%1000}] | |
47 } else { | |
48 set txt {} | |
49 } | |
50 if {$n>=100} { | |
51 append txt " [lindex $::ones [expr {$n/100}]] hundred" | |
52 set n [expr {$n%100}] | |
53 } | |
54 if {$n>=20} { | |
55 append txt " [lindex $::tens [expr {$n/10}]]" | |
56 set n [expr {$n%10}] | |
57 } | |
58 if {$n>0} { | |
59 append txt " [lindex $::ones $n]" | |
60 } | |
61 set txt [string trim $txt] | |
62 if {$txt==""} {set txt zero} | |
63 return $txt | |
64 } | |
65 | |
66 # Create a database schema. | |
67 # | |
68 do_test speed1p-1.0 { | |
69 execsql { | |
70 PRAGMA page_size=1024; | |
71 PRAGMA cache_size=500; | |
72 PRAGMA locking_mode=EXCLUSIVE; | |
73 CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT); | |
74 CREATE TABLE t2(a INTEGER, b INTEGER, c TEXT); | |
75 CREATE INDEX i2a ON t2(a); | |
76 CREATE INDEX i2b ON t2(b); | |
77 } | |
78 execsql { | |
79 SELECT name FROM sqlite_master ORDER BY 1; | |
80 } | |
81 } {i2a i2b t1 t2} | |
82 | |
83 # 50000 INSERTs on an unindexed table | |
84 # | |
85 set list {} | |
86 for {set i 1} {$i<=50000} {incr i} { | |
87 set r [expr {int(rand()*500000)}] | |
88 set x [number_name $r] | |
89 lappend list $i $r $x | |
90 } | |
91 set script { | |
92 foreach {i r x} $::list { | |
93 db eval {INSERT INTO t1 VALUES($i,$r,$x)} | |
94 } | |
95 } | |
96 db eval BEGIN | |
97 speed_trial_tcl speed1p-insert1 50000 row $script | |
98 db eval COMMIT | |
99 | |
100 # 50000 INSERTs on an indexed table | |
101 # | |
102 set list {} | |
103 for {set i 1} {$i<=50000} {incr i} { | |
104 set r [expr {int(rand()*500000)}] | |
105 set x [number_name $r] | |
106 lappend list $i $r $x | |
107 } | |
108 set script { | |
109 foreach {i r x} $::list { | |
110 db eval {INSERT INTO t2 VALUES($i,$r,$x)} | |
111 } | |
112 } | |
113 db eval BEGIN | |
114 speed_trial_tcl speed1p-insert2 50000 row $script | |
115 db eval COMMIT | |
116 | |
117 | |
118 | |
119 # 50 SELECTs on an integer comparison. There is no index so | |
120 # a full table scan is required. | |
121 # | |
122 set list {} | |
123 for {set i 0} {$i<50} {incr i} { | |
124 set lwr [expr {$i*100}] | |
125 set upr [expr {($i+10)*100}] | |
126 lappend list $lwr $upr | |
127 } | |
128 set script { | |
129 foreach {lwr upr} $::list { | |
130 db eval {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr} | |
131 } | |
132 } | |
133 db eval BEGIN | |
134 speed_trial_tcl speed1p-select1 [expr {50*50000}] row $script | |
135 db eval COMMIT | |
136 | |
137 # 50 SELECTs on an LIKE comparison. There is no index so a full | |
138 # table scan is required. | |
139 # | |
140 set list {} | |
141 for {set i 0} {$i<50} {incr i} { | |
142 lappend list "%[number_name $i]%" | |
143 } | |
144 set script { | |
145 foreach pattern $::list { | |
146 db eval {SELECT count(*), avg(b) FROM t1 WHERE c LIKE $pattern} | |
147 } | |
148 } | |
149 db eval BEGIN | |
150 speed_trial_tcl speed1p-select2 [expr {50*50000}] row $script | |
151 db eval COMMIT | |
152 | |
153 # Create indices | |
154 # | |
155 db eval BEGIN | |
156 speed_trial speed1p-createidx 150000 row { | |
157 CREATE INDEX i1a ON t1(a); | |
158 CREATE INDEX i1b ON t1(b); | |
159 CREATE INDEX i1c ON t1(c); | |
160 } | |
161 db eval COMMIT | |
162 | |
163 # 5000 SELECTs on an integer comparison where the integer is | |
164 # indexed. | |
165 # | |
166 set list {} | |
167 for {set i 0} {$i<5000} {incr i} { | |
168 set lwr [expr {$i*100}] | |
169 set upr [expr {($i+10)*100}] | |
170 lappend list $lwr $upr | |
171 } | |
172 set script { | |
173 foreach {lwr upr} $::list { | |
174 db eval {SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr} | |
175 } | |
176 } | |
177 db eval BEGIN | |
178 speed_trial_tcl speed1p-select3 5000 stmt $script | |
179 db eval COMMIT | |
180 | |
181 # 100000 random SELECTs against rowid. | |
182 # | |
183 set list {} | |
184 for {set i 1} {$i<=100000} {incr i} { | |
185 set id [expr {int(rand()*50000)+1}] | |
186 lappend list $id | |
187 } | |
188 set script { | |
189 foreach id $::list { | |
190 db eval {SELECT c FROM t1 WHERE rowid=$id} | |
191 } | |
192 } | |
193 db eval BEGIN | |
194 speed_trial_tcl speed1p-select4 100000 row $script | |
195 db eval COMMIT | |
196 | |
197 # 100000 random SELECTs against a unique indexed column. | |
198 # | |
199 set list {} | |
200 for {set i 1} {$i<=100000} {incr i} { | |
201 set id [expr {int(rand()*50000)+1}] | |
202 lappend list $id | |
203 } | |
204 set script { | |
205 foreach id $::list { | |
206 db eval {SELECT c FROM t1 WHERE a=$id} | |
207 } | |
208 } | |
209 db eval BEGIN | |
210 speed_trial_tcl speed1p-select5 100000 row $script | |
211 db eval COMMIT | |
212 | |
213 # 50000 random SELECTs against an indexed column text column | |
214 # | |
215 set list [db eval {SELECT c FROM t1 ORDER BY random() LIMIT 50000}] | |
216 set script { | |
217 foreach c $::list { | |
218 db eval {SELECT c FROM t1 WHERE c=$c} | |
219 } | |
220 } | |
221 db eval BEGIN | |
222 speed_trial_tcl speed1p-select6 50000 row $script | |
223 db eval COMMIT | |
224 | |
225 | |
226 # Vacuum | |
227 speed_trial speed1p-vacuum 100000 row VACUUM | |
228 | |
229 # 5000 updates of ranges where the field being compared is indexed. | |
230 # | |
231 set list {} | |
232 for {set i 0} {$i<5000} {incr i} { | |
233 set lwr [expr {$i*2}] | |
234 set upr [expr {($i+1)*2}] | |
235 lappend list $lwr $upr | |
236 } | |
237 set script { | |
238 foreach {lwr upr} $::list { | |
239 db eval {UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr} | |
240 } | |
241 } | |
242 db eval BEGIN | |
243 speed_trial_tcl speed1p-update1 5000 stmt $script | |
244 db eval COMMIT | |
245 | |
246 # 50000 single-row updates. An index is used to find the row quickly. | |
247 # | |
248 set list {} | |
249 for {set i 0} {$i<50000} {incr i} { | |
250 set r [expr {int(rand()*500000)}] | |
251 lappend list $i $r | |
252 } | |
253 set script { | |
254 foreach {i r} $::list { | |
255 db eval {UPDATE t1 SET b=$r WHERE a=$i} | |
256 } | |
257 } | |
258 db eval BEGIN | |
259 speed_trial_tcl speed1p-update2 50000 row $script | |
260 db eval COMMIT | |
261 | |
262 # 1 big text update that touches every row in the table. | |
263 # | |
264 speed_trial speed1p-update3 50000 row { | |
265 UPDATE t1 SET c=a; | |
266 } | |
267 | |
268 # Many individual text updates. Each row in the table is | |
269 # touched through an index. | |
270 # | |
271 set list {} | |
272 for {set i 1} {$i<=50000} {incr i} { | |
273 set r [expr {int(rand()*500000)}] | |
274 lappend list $i [number_name $r] | |
275 } | |
276 set script { | |
277 foreach {i x} $::list { | |
278 db eval {UPDATE t1 SET c=$x WHERE a=$i} | |
279 } | |
280 } | |
281 db eval BEGIN | |
282 speed_trial_tcl speed1p-update4 50000 row $script | |
283 db eval COMMIT | |
284 | |
285 # Delete all content in a table. | |
286 # | |
287 speed_trial speed1p-delete1 50000 row {DELETE FROM t1} | |
288 | |
289 # Copy one table into another | |
290 # | |
291 speed_trial speed1p-copy1 50000 row {INSERT INTO t1 SELECT * FROM t2} | |
292 | |
293 # Delete all content in a table, one row at a time. | |
294 # | |
295 speed_trial speed1p-delete2 50000 row {DELETE FROM t1 WHERE 1} | |
296 | |
297 # Refill the table yet again | |
298 # | |
299 speed_trial speed1p-copy2 50000 row {INSERT INTO t1 SELECT * FROM t2} | |
300 | |
301 # Drop the table and recreate it without its indices. | |
302 # | |
303 db eval BEGIN | |
304 speed_trial speed1p-drop1 50000 row { | |
305 DROP TABLE t1; | |
306 CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT); | |
307 } | |
308 db eval COMMIT | |
309 | |
310 # Refill the table yet again. This copy should be faster because | |
311 # there are no indices to deal with. | |
312 # | |
313 speed_trial speed1p-copy3 50000 row {INSERT INTO t1 SELECT * FROM t2} | |
314 | |
315 # Select 20000 rows from the table at random. | |
316 # | |
317 speed_trial speed1p-random1 50000 row { | |
318 SELECT rowid FROM t1 ORDER BY random() LIMIT 20000 | |
319 } | |
320 | |
321 # Delete 20000 random rows from the table. | |
322 # | |
323 speed_trial speed1p-random-del1 20000 row { | |
324 DELETE FROM t1 WHERE rowid IN | |
325 (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000) | |
326 } | |
327 do_test speed1p-1.1 { | |
328 db one {SELECT count(*) FROM t1} | |
329 } 30000 | |
330 | |
331 # Delete 20000 more rows at random from the table. | |
332 # | |
333 speed_trial speed1p-random-del2 20000 row { | |
334 DELETE FROM t1 WHERE rowid IN | |
335 (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000) | |
336 } | |
337 do_test speed1p-1.2 { | |
338 db one {SELECT count(*) FROM t1} | |
339 } 10000 | |
340 speed_trial_summary speed1 | |
341 | |
342 db close | |
343 sqlite3_shutdown | |
344 eval sqlite3_config_lookaside $old_lookaside | |
345 sqlite3_initialize | |
346 autoinstall_test_functions | |
347 finish_test | |
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