1 # 2005 July 28 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 file is testing the use of indices in WHERE clauses 13 # when the WHERE clause contains the BETWEEN operator. 14 # 15 # $Id: between.test,v 1.2 2006/01/17 09:35:02 danielk1977 Exp $ 16 17 set testdir [file dirname $argv0] 18 source $testdir/tester.tcl 19 20 # Build some test data 21 # 22 do_test between-1.0 { 23 execsql { 24 BEGIN; 25 CREATE TABLE t1(w int, x int, y int, z int); 26 } 27 for {set i 1} {$i<=100} {incr i} { 28 set w $i 29 set x [expr {int(log($i)/log(2))}] 30 set y [expr {$i*$i + 2*$i + 1}] 31 set z [expr {$x+$y}] 32 ifcapable tclvar { 33 # Random unplanned test of the $varname variable syntax. 34 execsql {INSERT INTO t1 VALUES($::w,$::x,$::y,$::z)} 35 } else { 36 # If the $varname syntax is not available, use the regular variable 37 # declaration syntax. 38 execsql {INSERT INTO t1 VALUES(:w,:x,:y,:z)} 39 } 40 } 41 execsql { 42 CREATE UNIQUE INDEX i1w ON t1(w); 43 CREATE INDEX i1xy ON t1(x,y); 44 CREATE INDEX i1zyx ON t1(z,y,x); 45 COMMIT; 46 } 47 } {} 48 49 # This procedure executes the SQL. Then it appends to the result the 50 # "sort" or "nosort" keyword depending on whether or not any sorting 51 # is done. Then it appends the ::sqlite_query_plan variable. 52 # 53 proc queryplan {sql} { 54 set ::sqlite_sort_count 0 55 set data [execsql $sql] 56 if {$::sqlite_sort_count} {set x sort} {set x nosort} 57 lappend data $x 58 return [concat $data $::sqlite_query_plan] 59 } 60 61 do_test between-1.1.1 { 62 queryplan { 63 SELECT * FROM t1 WHERE w BETWEEN 5 AND 6 ORDER BY +w 64 } 65 } {5 2 36 38 6 2 49 51 sort t1 i1w} 66 do_test between-1.1.2 { 67 queryplan { 68 SELECT * FROM t1 WHERE +w BETWEEN 5 AND 6 ORDER BY +w 69 } 70 } {5 2 36 38 6 2 49 51 sort t1 {}} 71 do_test between-1.2.1 { 72 queryplan { 73 SELECT * FROM t1 WHERE w BETWEEN 5 AND 65-y ORDER BY +w 74 } 75 } {5 2 36 38 6 2 49 51 sort t1 i1w} 76 do_test between-1.2.2 { 77 queryplan { 78 SELECT * FROM t1 WHERE +w BETWEEN 5 AND 65-y ORDER BY +w 79 } 80 } {5 2 36 38 6 2 49 51 sort t1 {}} 81 do_test between-1.3.1 { 82 queryplan { 83 SELECT * FROM t1 WHERE w BETWEEN 41-y AND 6 ORDER BY +w 84 } 85 } {5 2 36 38 6 2 49 51 sort t1 i1w} 86 do_test between-1.3.2 { 87 queryplan { 88 SELECT * FROM t1 WHERE +w BETWEEN 41-y AND 6 ORDER BY +w 89 } 90 } {5 2 36 38 6 2 49 51 sort t1 {}} 91 do_test between-1.4 { 92 queryplan { 93 SELECT * FROM t1 WHERE w BETWEEN 41-y AND 65-y ORDER BY +w 94 } 95 } {5 2 36 38 6 2 49 51 sort t1 {}} 96 do_test between-1.5.1 { 97 queryplan { 98 SELECT * FROM t1 WHERE 26 BETWEEN y AND z ORDER BY +w 99 } 100 } {4 2 25 27 sort t1 i1zyx} 101 do_test between-1.5.2 { 102 queryplan { 103 SELECT * FROM t1 WHERE 26 BETWEEN +y AND z ORDER BY +w 104 } 105 } {4 2 25 27 sort t1 i1zyx} 106 do_test between-1.5.3 { 107 queryplan { 108 SELECT * FROM t1 WHERE 26 BETWEEN y AND +z ORDER BY +w 109 } 110 } {4 2 25 27 sort t1 {}} 111 112 113 finish_test 114
