wasCSharpSQLite – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | office | 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 |