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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
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19# Create a table with a large number of columns
20#
21do_test index2-1.1 {
22 set sql {CREATE TABLE t1(}
23 for {set i 1} {$i<1000} {incr i} {
24 append sql "c$i,"
25 }
26 append sql "c1000);"
27 execsql $sql
28} {}
29do_test index2-1.2 {
30 set sql {INSERT INTO t1 VALUES(}
31 for {set i 1} {$i<1000} {incr i} {
32 append sql $i,
33 }
34 append sql {1000);}
35 execsql $sql
36} {}
37do_test index2-1.3 {
38 execsql {SELECT c123 FROM t1}
39} 123
40do_test index2-1.4 {
41 execsql BEGIN
42 for {set j 1} {$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 $sql
49 }
50 execsql COMMIT
51 execsql {SELECT count(*) FROM t1}
52} 101
53do_test index2-1.5 {
54 execsql {SELECT round(sum(c1000)) FROM t1}
55} {50601000.0}
56
57# Create indices with many columns
58#
59do_test index2-2.1 {
60 set sql "CREATE INDEX t1i1 ON t1("
61 for {set i 1} {$i<1000} {incr i} {
62 append sql c$i,
63 }
64 append sql c1000)
65 execsql $sql
66} {}
67do_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
74finish_test