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| 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 |
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