wasCSharpSQLite – Blame information for rev 1

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1 office 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