paulhorn/sqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

:-) (CVS 40)

Browse Source 
FossilOrigin-Name: 939adb4d373842db0dde6ea00ee2c40316db5ac3
This commit is contained in:
drh
2000-06-02 15:05:33 +00:00
parent 1b07be5ab8
commit d75f54ed81
4 changed files with 58 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/select2.test
+41 -4
View File
@@ -23,12 +23,13 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the SELECT statement.
#
# $Id: select2.test,v 1.3 2000/06/02 14:38:47 drh Exp $
# $Id: select2.test,v 1.4 2000/06/02 15:05:33 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
puts "Glob: [glob -nocomplain *.txt]"
# Create a table with some data
#
execsql {CREATE TABLE tbl1(f1 int, f2 int)}
set f [open ./testdata1.txt w]
for {set i 0} {$i<=30} {incr i} {
@@ -36,7 +37,7 @@ for {set i 0} {$i<=30} {incr i} {
}
close $f
execsql {COPY tbl1 FROM './testdata1.txt'}
# file delete -force ./testdata1.txt
file delete -force ./testdata1.txt
# Do a second query inside a first.
#
@@ -54,7 +55,6 @@ do_test select2-1.1 {
set r
} {0: 0 7 8 9 1: 0 1 8 9 2: 0 1 2 9 3: 0 1 2 3 4: 2 3 4 5: 3 4 5 6: 4 5 6 7: 5 6 7 8: 6 7 8}
do_test select2-1.2 {
set sql {SELECT DISTINCT f1 FROM tbl1 WHERE f1>3 AND f1<5}
set r {}
@@ -69,4 +69,41 @@ do_test select2-1.2 {
set r
} {4: 2 3 4}
# Create a largish table
#
execsql {CREATE TABLE tbl2(f1 int, f2 int, f3 int)}
set f [open ./testdata1.txt w]
for {set i 1} {$i<=30000} {incr i} {
puts $f "$i\t[expr {$i*2}]\t[expr {$i*3}]"
}
close $f
execsql {COPY tbl2 FROM './testdata1.txt'}
file delete -force ./testdata1.txt
do_test select2-2.1 {
execsql {SELECT count(*) FROM tbl2}
} {30000}
do_test select2-2.2 {
execsql {SELECT count(*) FROM tbl2 WHERE f2>1000}
} {29500}
do_test select2-3.1 {
execsql {SELECT f1 FROM tbl2 WHERE f2==1000}
} {500}
execsql {CREATE INDEX idx1 ON tbl2(f2)}
do_test select2-3.2 {
execsql {SELECT f1 FROM tbl2 WHERE f2==1000}
} {500}
# Make sure queries run faster with an index than without
#
do_test select2-3.3 {
set t1 [lindex [time {execsql {SELECT f1 from tbl2 WHERE f2==2000}} 1] 0]
execsql {DROP INDEX idx1}
set t2 [lindex [time {execsql {SELECT f1 FROM tbl2 WHERE f2==2000}} 1] 0]
expr {$t1*25 < $t2}
} {1}
finish_test