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 75
