# 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