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Overview
Comment: | New speed testing tools. (CVS 5786) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
2d427746d53104ca032c404f7f65c51b |
User & Date: | drh 2008-10-09 17:57:34.000 |
Context
2008-10-09
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18:48 | Fix an assert() failure that can occur if the user attempts to set an into an integer primary key column to a text value in a table that has a BEFORE UPDATE trigger. (CVS 5787) (check-in: c2cf9d60d6 user: danielk1977 tags: trunk) | |
17:57 | New speed testing tools. (CVS 5786) (check-in: 2d427746d5 user: drh tags: trunk) | |
15:56 | Add a test to verify the sqlite3_column_name() interface returns the correct value when the query is of the form: "SELECT rowid,* FROM...". Ticket #3429. (CVS 5785) (check-in: e90d5a5515 user: drh tags: trunk) | |
Changes
Added tool/mkspeedsql.tcl.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 | # 2008 October 9 # # 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 generates SQL text used for performance testing. # # $Id: mkspeedsql.tcl,v 1.1 2008/10/09 17:57:34 drh Exp $ # # Set a uniform random seed expr srand(0) # 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 $txt } # Create a database schema. # puts { PRAGMA page_size=1024; PRAGMA cache_size=8192; PRAGMA locking_mode=EXCLUSIVE; CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT); CREATE TABLE t2(a INTEGER, b INTEGER, c TEXT); CREATE INDEX i2a ON t2(a); CREATE INDEX i2b ON t2(b); SELECT name FROM sqlite_master ORDER BY 1; } # 50000 INSERTs on an unindexed table # set t1c_list {} puts {BEGIN;} for {set i 1} {$i<=50000} {incr i} { set r [expr {int(rand()*500000)}] set x [number_name $r] lappend t1c_list $x puts "INSERT INTO t1 VALUES($i,$r,'$x');" } puts {COMMIT;} # 50000 INSERTs on an indexed table # puts {BEGIN;} for {set i 1} {$i<=50000} {incr i} { set r [expr {int(rand()*500000)}] puts "INSERT INTO t2 VALUES($i,$r,'[number_name $r]');" } puts {COMMIT;} # 50 SELECTs on an integer comparison. There is no index so # a full table scan is required. # for {set i 0} {$i<50} {incr i} { set lwr [expr {$i*100}] set upr [expr {($i+10)*100}] puts "SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr;" } # 50 SELECTs on an LIKE comparison. There is no index so a full # table scan is required. # for {set i 0} {$i<50} {incr i} { puts "SELECT count(*), avg(b) FROM t1 WHERE c LIKE '%[number_name $i]%';" } # Create indices # puts {BEGIN;} puts { CREATE INDEX i1a ON t1(a); CREATE INDEX i1b ON t1(b); CREATE INDEX i1c ON t1(c); } puts {COMMIT;} # 5000 SELECTs on an integer comparison where the integer is # indexed. # set sql {} for {set i 0} {$i<5000} {incr i} { set lwr [expr {$i*100}] set upr [expr {($i+10)*100}] puts "SELECT count(*), avg(b) FROM t1 WHERE b>=$lwr AND b<$upr;" } # 100000 random SELECTs against rowid. # for {set i 1} {$i<=100000} {incr i} { set id [expr {int(rand()*50000)+1}] puts "SELECT c FROM t1 WHERE rowid=$id;" } # 100000 random SELECTs against a unique indexed column. # for {set i 1} {$i<=100000} {incr i} { set id [expr {int(rand()*50000)+1}] puts "SELECT c FROM t1 WHERE a=$id;" } # 50000 random SELECTs against an indexed column text column # set nt1c [llength $t1c_list] for {set i 0} {$i<50000} {incr i} { set r [expr {int(rand()*$nt1c)}] set c [lindex $t1c_list $i] puts "SELECT c FROM t1 WHERE c='$c';" } # Vacuum puts {VACUUM;} # 5000 updates of ranges where the field being compared is indexed. # puts {BEGIN;} for {set i 0} {$i<5000} {incr i} { set lwr [expr {$i*2}] set upr [expr {($i+1)*2}] puts "UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr;" } puts {COMMIT;} # 50000 single-row updates. An index is used to find the row quickly. # puts {BEGIN;} for {set i 0} {$i<50000} {incr i} { set r [expr {int(rand()*500000)}] puts "UPDATE t1 SET b=$r WHERE a=$i;" } puts {COMMIT;} # 1 big text update that touches every row in the table. # puts { UPDATE t1 SET c=a; } # Many individual text updates. Each row in the table is # touched through an index. # puts {BEGIN;} for {set i 1} {$i<=50000} {incr i} { set r [expr {int(rand()*500000)}] puts "UPDATE t1 SET c='[number_name $r]' WHERE a=$i;" } puts {COMMIT;} # Delete all content in a table. # puts {DELETE FROM t1;} # Copy one table into another # puts {INSERT INTO t1 SELECT * FROM t2;} # Delete all content in a table, one row at a time. # puts {DELETE FROM t1 WHERE 1;} # Refill the table yet again # puts {INSERT INTO t1 SELECT * FROM t2;} # Drop the table and recreate it without its indices. # puts {BEGIN;} puts { DROP TABLE t1; CREATE TABLE t1(a INTEGER, b INTEGER, c TEXT); } puts {COMMIT;} # Refill the table yet again. This copy should be faster because # there are no indices to deal with. # puts {INSERT INTO t1 SELECT * FROM t2;} # Select 20000 rows from the table at random. # puts { SELECT rowid FROM t1 ORDER BY random() LIMIT 20000; } # Delete 20000 random rows from the table. # puts { DELETE FROM t1 WHERE rowid IN (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000); } puts {SELECT count(*) FROM t1;} # Delete 20000 more rows at random from the table. # puts { DELETE FROM t1 WHERE rowid IN (SELECT rowid FROM t1 ORDER BY random() LIMIT 20000); } puts {SELECT count(*) FROM t1;} |
Changes to tool/speedtest8.c.
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86 87 88 89 90 91 92 | finalizeTime += iElapse; if (!bQuiet){ printf("sqlite3_finalize() returns %d in %llu cycles\n", rc, iElapse); } } } | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | finalizeTime += iElapse; if (!bQuiet){ printf("sqlite3_finalize() returns %d in %llu cycles\n", rc, iElapse); } } } int main(int argc, char **argv){ sqlite3 *db; int rc; int nSql; char *zSql; int i, j; FILE *in; |
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195 196 197 198 199 200 201 | extern sqlite3_vfs *sqlite3_instvfs_binarylog(char *, char *, char *); extern void sqlite3_instvfs_destroy(sqlite3_vfs *); sqlite3_vfs *pVfs = 0; #endif while (argc>3) { | < < < < < < < | 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | extern sqlite3_vfs *sqlite3_instvfs_binarylog(char *, char *, char *); extern void sqlite3_instvfs_destroy(sqlite3_vfs *); sqlite3_vfs *pVfs = 0; #endif while (argc>3) { #ifdef HAVE_OSINST if( argc>4 && (strcmp(argv[1], "-log")==0) ){ pVfs = sqlite3_instvfs_binarylog("oslog", 0, argv[2]); sqlite3_vfs_register(pVfs, 1); argv += 2; argc -= 2; continue; |
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260 261 262 263 264 265 266 | break; } if( argc!=3 ){ fprintf(stderr, "Usage: %s [options] FILENAME SQL-SCRIPT\n" "Runs SQL-SCRIPT against a UTF8 database\n" "\toptions:\n" | < | 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | break; } if( argc!=3 ){ fprintf(stderr, "Usage: %s [options] FILENAME SQL-SCRIPT\n" "Runs SQL-SCRIPT against a UTF8 database\n" "\toptions:\n" #ifdef HAVE_OSINST "\t-log <log>\n" #endif "\t-priority <value> : set priority of task\n" "\t-quiet : only display summary results\n", zArgv0); exit(1); |
︙ | ︙ |