/trunk/test/between.test |
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# 2005 July 28 |
# |
# 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 implements regression tests for SQLite library. The |
# focus of this file is testing the use of indices in WHERE clauses |
# when the WHERE clause contains the BETWEEN operator. |
# |
# $Id: between.test,v 1.2 2006/01/17 09:35:02 danielk1977 Exp $ |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
|
# Build some test data |
# |
do_test between-1.0 { |
execsql { |
BEGIN; |
CREATE TABLE t1(w int, x int, y int, z int); |
} |
for {set i 1} {$i<=100} {incr i} { |
set w $i |
set x [expr {int(log($i)/log(2))}] |
set y [expr {$i*$i + 2*$i + 1}] |
set z [expr {$x+$y}] |
ifcapable tclvar { |
# Random unplanned test of the $varname variable syntax. |
execsql {INSERT INTO t1 VALUES($::w,$::x,$::y,$::z)} |
} else { |
# If the $varname syntax is not available, use the regular variable |
# declaration syntax. |
execsql {INSERT INTO t1 VALUES(:w,:x,:y,:z)} |
} |
} |
execsql { |
CREATE UNIQUE INDEX i1w ON t1(w); |
CREATE INDEX i1xy ON t1(x,y); |
CREATE INDEX i1zyx ON t1(z,y,x); |
COMMIT; |
} |
} {} |
|
# This procedure executes the SQL. Then it appends to the result the |
# "sort" or "nosort" keyword depending on whether or not any sorting |
# is done. Then it appends the ::sqlite_query_plan variable. |
# |
proc queryplan {sql} { |
set ::sqlite_sort_count 0 |
set data [execsql $sql] |
if {$::sqlite_sort_count} {set x sort} {set x nosort} |
lappend data $x |
return [concat $data $::sqlite_query_plan] |
} |
|
do_test between-1.1.1 { |
queryplan { |
SELECT * FROM t1 WHERE w BETWEEN 5 AND 6 ORDER BY +w |
} |
} {5 2 36 38 6 2 49 51 sort t1 i1w} |
do_test between-1.1.2 { |
queryplan { |
SELECT * FROM t1 WHERE +w BETWEEN 5 AND 6 ORDER BY +w |
} |
} {5 2 36 38 6 2 49 51 sort t1 {}} |
do_test between-1.2.1 { |
queryplan { |
SELECT * FROM t1 WHERE w BETWEEN 5 AND 65-y ORDER BY +w |
} |
} {5 2 36 38 6 2 49 51 sort t1 i1w} |
do_test between-1.2.2 { |
queryplan { |
SELECT * FROM t1 WHERE +w BETWEEN 5 AND 65-y ORDER BY +w |
} |
} {5 2 36 38 6 2 49 51 sort t1 {}} |
do_test between-1.3.1 { |
queryplan { |
SELECT * FROM t1 WHERE w BETWEEN 41-y AND 6 ORDER BY +w |
} |
} {5 2 36 38 6 2 49 51 sort t1 i1w} |
do_test between-1.3.2 { |
queryplan { |
SELECT * FROM t1 WHERE +w BETWEEN 41-y AND 6 ORDER BY +w |
} |
} {5 2 36 38 6 2 49 51 sort t1 {}} |
do_test between-1.4 { |
queryplan { |
SELECT * FROM t1 WHERE w BETWEEN 41-y AND 65-y ORDER BY +w |
} |
} {5 2 36 38 6 2 49 51 sort t1 {}} |
do_test between-1.5.1 { |
queryplan { |
SELECT * FROM t1 WHERE 26 BETWEEN y AND z ORDER BY +w |
} |
} {4 2 25 27 sort t1 i1zyx} |
do_test between-1.5.2 { |
queryplan { |
SELECT * FROM t1 WHERE 26 BETWEEN +y AND z ORDER BY +w |
} |
} {4 2 25 27 sort t1 i1zyx} |
do_test between-1.5.3 { |
queryplan { |
SELECT * FROM t1 WHERE 26 BETWEEN y AND +z ORDER BY +w |
} |
} {4 2 25 27 sort t1 {}} |
|
|
finish_test |