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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 | |
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