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 75