1 # 2009 February 23 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 reverse_select_order pragma. 13 # 14 # $Id: whereA.test,v 1.3 2009/06/10 19:33:29 drh Exp $ 15 16 set testdir [file dirname $argv0] 17 source $testdir/tester.tcl 18 19 do_test whereA-1.1 { 20 db eval { 21 CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c); 22 INSERT INTO t1 VALUES(1,2,3); 23 INSERT INTO t1 values(2,'hello','world'); 24 INSERT INTO t1 VALUES(3,4.53,NULL); 25 SELECT * FROM t1 26 } 27 } {1 2 3 2 hello world 3 4.53 {}} 28 do_test whereA-1.2 { 29 db eval { 30 PRAGMA reverse_unordered_selects=1; 31 SELECT * FROM t1; 32 } 33 } {3 4.53 {} 2 hello world 1 2 3} 34 35 do_test whereA-1.3 { 36 db close 37 sqlite3 db test.db 38 db eval { 39 PRAGMA reverse_unordered_selects=1; 40 SELECT * FROM t1; 41 } 42 } {3 4.53 {} 2 hello world 1 2 3} 43 do_test whereA-1.4 { 44 db close 45 sqlite3 db test.db 46 db eval { 47 PRAGMA reverse_unordered_selects=1; 48 SELECT * FROM t1 ORDER BY rowid; 49 } 50 } {1 2 3 2 hello world 3 4.53 {}} 51 do_test whereA-1.5 { 52 db eval { 53 VACUUM; 54 SELECT * FROM t1 ORDER BY rowid; 55 } 56 } {1 2 3 2 hello world 3 4.53 {}} 57 do_test whereA-1.6 { 58 db eval { 59 PRAGMA reverse_unordered_selects; 60 } 61 } {1} 62 do_test whereA-1.7 { 63 db close 64 sqlite3 db test.db 65 db eval { 66 PRAGMA reverse_unordered_selects=1; 67 VACUUM; 68 SELECT * FROM t1; 69 } 70 } {3 4.53 {} 2 hello world 1 2 3} 71 72 do_test whereA-2.1 { 73 db eval { 74 PRAGMA reverse_unordered_selects=0; 75 SELECT * FROM t1 WHERE a>0; 76 } 77 } {1 2 3 2 hello world 3 4.53 {}} 78 do_test whereA-2.2 { 79 db eval { 80 PRAGMA reverse_unordered_selects=1; 81 SELECT * FROM t1 WHERE a>0; 82 } 83 } {3 4.53 {} 2 hello world 1 2 3} 84 85 do_test whereA-2.3 { 86 db eval { 87 PRAGMA reverse_unordered_selects=1; 88 SELECT * FROM t1 WHERE a>0 ORDER BY rowid; 89 } 90 } {1 2 3 2 hello world 3 4.53 {}} 91 92 do_test whereA-3.1 { 93 db eval { 94 PRAGMA reverse_unordered_selects=0; 95 SELECT * FROM t1 WHERE b>0; 96 } 97 } {1 2 3 3 4.53 {} 2 hello world} 98 do_test whereA-3.2 { 99 db eval { 100 PRAGMA reverse_unordered_selects=1; 101 SELECT * FROM t1 WHERE b>0; 102 } 103 } {2 hello world 3 4.53 {} 1 2 3} 104 do_test whereA-3.3 { 105 db eval { 106 PRAGMA reverse_unordered_selects=1; 107 SELECT * FROM t1 WHERE b>0 ORDER BY b; 108 } 109 } {1 2 3 3 4.53 {} 2 hello world} 110 111 do_test whereA-4.1 { 112 db eval { 113 CREATE TABLE t2(x); 114 INSERT INTO t2 VALUES(1); 115 INSERT INTO t2 VALUES(2); 116 SELECT x FROM t2; 117 } 118 } {2 1} 119 # Do an SQL statement. Append the search count to the end of the result. 120 # 121 proc count sql { 122 set ::sqlite_sort_count 0 123 return [concat [execsql $sql] $::sqlite_sort_count] 124 } 125 do_test whereA-4.2 { ;# Ticket #3904 126 db eval { 127 CREATE INDEX t2x ON t2(x); 128 } 129 count { 130 SELECT x FROM t2; 131 } 132 } {2 1 0} 133 do_test whereA-4.3 { 134 count { 135 SELECT x FROM t2 ORDER BY x; 136 } 137 } {1 2 0} 138 do_test whereA-4.4 { 139 count { 140 SELECT x FROM t2 ORDER BY x DESC; 141 } 142 } {2 1 0} 143 do_test whereA-4.5 { 144 db eval {DROP INDEX t2x;} 145 count { 146 SELECT x FROM t2 ORDER BY x; 147 } 148 } {1 2 1} 149 do_test whereA-4.6 { 150 count { 151 SELECT x FROM t2 ORDER BY x DESC; 152 } 153 } {2 1 1} 154 155 156 finish_test 157
