wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2005 July 28 |
2 | # |
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3 | # The author disclaims copyright to this source code. In place of |
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4 | # a legal notice, here is a blessing: |
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5 | # |
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6 | # May you do good and not evil. |
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7 | # May you find forgiveness for yourself and forgive others. |
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8 | # May you share freely, never taking more than you give. |
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9 | # |
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10 | #*********************************************************************** |
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11 | # This file implements regression tests for SQLite library. The |
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12 | # focus of this file is testing the use of indices in WHERE clauses |
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13 | # when the WHERE clause contains the BETWEEN operator. |
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14 | # |
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15 | # $Id: between.test,v 1.2 2006/01/17 09:35:02 danielk1977 Exp $ |
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16 | |||
17 | set testdir [file dirname $argv0] |
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18 | source $testdir/tester.tcl |
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19 | |||
20 | # Build some test data |
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21 | # |
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22 | do_test between-1.0 { |
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23 | execsql { |
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24 | BEGIN; |
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25 | CREATE TABLE t1(w int, x int, y int, z int); |
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26 | } |
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27 | for {set i 1} {$i<=100} {incr i} { |
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28 | set w $i |
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29 | set x [expr {int(log($i)/log(2))}] |
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30 | set y [expr {$i*$i + 2*$i + 1}] |
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31 | set z [expr {$x+$y}] |
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32 | ifcapable tclvar { |
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33 | # Random unplanned test of the $varname variable syntax. |
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34 | execsql {INSERT INTO t1 VALUES($::w,$::x,$::y,$::z)} |
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35 | } else { |
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36 | # If the $varname syntax is not available, use the regular variable |
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37 | # declaration syntax. |
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38 | execsql {INSERT INTO t1 VALUES(:w,:x,:y,:z)} |
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39 | } |
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40 | } |
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41 | execsql { |
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42 | CREATE UNIQUE INDEX i1w ON t1(w); |
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43 | CREATE INDEX i1xy ON t1(x,y); |
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44 | CREATE INDEX i1zyx ON t1(z,y,x); |
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45 | COMMIT; |
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46 | } |
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47 | } {} |
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48 | |||
49 | # This procedure executes the SQL. Then it appends to the result the |
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50 | # "sort" or "nosort" keyword depending on whether or not any sorting |
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51 | # is done. Then it appends the ::sqlite_query_plan variable. |
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52 | # |
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53 | proc queryplan {sql} { |
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54 | set ::sqlite_sort_count 0 |
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55 | set data [execsql $sql] |
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56 | if {$::sqlite_sort_count} {set x sort} {set x nosort} |
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57 | lappend data $x |
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58 | return [concat $data $::sqlite_query_plan] |
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59 | } |
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60 | |||
61 | do_test between-1.1.1 { |
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62 | queryplan { |
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63 | SELECT * FROM t1 WHERE w BETWEEN 5 AND 6 ORDER BY +w |
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64 | } |
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65 | } {5 2 36 38 6 2 49 51 sort t1 i1w} |
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66 | do_test between-1.1.2 { |
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67 | queryplan { |
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68 | SELECT * FROM t1 WHERE +w BETWEEN 5 AND 6 ORDER BY +w |
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69 | } |
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70 | } {5 2 36 38 6 2 49 51 sort t1 {}} |
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71 | do_test between-1.2.1 { |
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72 | queryplan { |
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73 | SELECT * FROM t1 WHERE w BETWEEN 5 AND 65-y ORDER BY +w |
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74 | } |
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75 | } {5 2 36 38 6 2 49 51 sort t1 i1w} |
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76 | do_test between-1.2.2 { |
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77 | queryplan { |
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78 | SELECT * FROM t1 WHERE +w BETWEEN 5 AND 65-y ORDER BY +w |
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79 | } |
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80 | } {5 2 36 38 6 2 49 51 sort t1 {}} |
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81 | do_test between-1.3.1 { |
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82 | queryplan { |
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83 | SELECT * FROM t1 WHERE w BETWEEN 41-y AND 6 ORDER BY +w |
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84 | } |
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85 | } {5 2 36 38 6 2 49 51 sort t1 i1w} |
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86 | do_test between-1.3.2 { |
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87 | queryplan { |
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88 | SELECT * FROM t1 WHERE +w BETWEEN 41-y AND 6 ORDER BY +w |
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89 | } |
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90 | } {5 2 36 38 6 2 49 51 sort t1 {}} |
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91 | do_test between-1.4 { |
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92 | queryplan { |
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93 | SELECT * FROM t1 WHERE w BETWEEN 41-y AND 65-y ORDER BY +w |
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94 | } |
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95 | } {5 2 36 38 6 2 49 51 sort t1 {}} |
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96 | do_test between-1.5.1 { |
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97 | queryplan { |
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98 | SELECT * FROM t1 WHERE 26 BETWEEN y AND z ORDER BY +w |
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99 | } |
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100 | } {4 2 25 27 sort t1 i1zyx} |
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101 | do_test between-1.5.2 { |
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102 | queryplan { |
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103 | SELECT * FROM t1 WHERE 26 BETWEEN +y AND z ORDER BY +w |
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104 | } |
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105 | } {4 2 25 27 sort t1 i1zyx} |
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106 | do_test between-1.5.3 { |
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107 | queryplan { |
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108 | SELECT * FROM t1 WHERE 26 BETWEEN y AND +z ORDER BY +w |
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109 | } |
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110 | } {4 2 25 27 sort t1 {}} |
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111 | |||
112 | |||
113 | finish_test |