|
1 # 2005 January 11 |
|
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 CREATE INDEX statement. |
|
13 # |
|
14 # $Id: index2.test,v 1.3 2006/03/03 19:12:30 drh Exp $ |
|
15 |
|
16 set testdir [file dirname $argv0] |
|
17 source $testdir/tester.tcl |
|
18 |
|
19 # Create a table with a large number of columns |
|
20 # |
|
21 do_test index2-1.1 { |
|
22 set sql {CREATE TABLE t1(} |
|
23 for {set i 1} {$i<1000} {incr i} { |
|
24 append sql "c$i," |
|
25 } |
|
26 append sql "c1000);" |
|
27 execsql $sql |
|
28 } {} |
|
29 do_test index2-1.2 { |
|
30 set sql {INSERT INTO t1 VALUES(} |
|
31 for {set i 1} {$i<1000} {incr i} { |
|
32 append sql $i, |
|
33 } |
|
34 append sql {1000);} |
|
35 execsql $sql |
|
36 } {} |
|
37 do_test index2-1.3 { |
|
38 execsql {SELECT c123 FROM t1} |
|
39 } 123 |
|
40 do_test index2-1.4 { |
|
41 execsql BEGIN |
|
42 for {set j 1} {$j<=100} {incr j} { |
|
43 set sql {INSERT INTO t1 VALUES(} |
|
44 for {set i 1} {$i<1000} {incr i} { |
|
45 append sql [expr {$j*10000+$i}], |
|
46 } |
|
47 append sql "[expr {$j*10000+1000}]);" |
|
48 execsql $sql |
|
49 } |
|
50 execsql COMMIT |
|
51 execsql {SELECT count(*) FROM t1} |
|
52 } 101 |
|
53 do_test index2-1.5 { |
|
54 execsql {SELECT round(sum(c1000)) FROM t1} |
|
55 } {50601000.0} |
|
56 |
|
57 # Create indices with many columns |
|
58 # |
|
59 do_test index2-2.1 { |
|
60 set sql "CREATE INDEX t1i1 ON t1(" |
|
61 for {set i 1} {$i<1000} {incr i} { |
|
62 append sql c$i, |
|
63 } |
|
64 append sql c1000) |
|
65 execsql $sql |
|
66 } {} |
|
67 do_test index2-2.2 { |
|
68 ifcapable explain { |
|
69 execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5} |
|
70 } |
|
71 execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5} |
|
72 } {9 10009 20009 30009 40009} |
|
73 |
|
74 finish_test |