# 2005 January 11

 #

 # The author disclaims copyright to this source code.  In place of

 # a legal notice, here is a blessing:

 #

 #    May you do good and not evil.

 #    May you find forgiveness for yourself and forgive others.

 #    May you share freely, never taking more than you give.

 #

 #***********************************************************************

 # This file implements regression tests for SQLite library.  The

 # focus of this file is testing the CREATE INDEX statement.

 #

 # $Id: index2.test,v 1.3 2006/03/03 19:12:30 drh Exp $

 set testdir [file dirname $argv0]

 source $testdir/tester.tcl

 # Create a table with a large number of columns

 #

 do_test index2-1.1 {

   set sql {CREATE TABLE t1(}

   for {set i 1} {$i<1000} {incr i} {

     append sql "c$i,"

   }

   append sql "c1000);"

   execsql $sql

 } {}

 do_test index2-1.2 {

   set sql {INSERT INTO t1 VALUES(}

   for {set i 1} {$i<1000} {incr i} {

     append sql $i,

   }

   append sql {1000);}

   execsql $sql

 } {}

 do_test index2-1.3 {

   execsql {SELECT c123 FROM t1}

 } 123

 do_test index2-1.4 {

   execsql BEGIN

   for {set j 1} {$j<=100} {incr j} {

     set sql {INSERT INTO t1 VALUES(}

     for {set i 1} {$i<1000} {incr i} {

       append sql [expr {$j*10000+$i}],

     }

     append sql "[expr {$j*10000+1000}]);"

     execsql $sql

   }

   execsql COMMIT

   execsql {SELECT count(*) FROM t1}

 } 101

 do_test index2-1.5 {

   execsql {SELECT round(sum(c1000)) FROM t1}

 } {50601000.0}

 # Create indices with many columns

 #

 do_test index2-2.1 {

   set sql "CREATE INDEX t1i1 ON t1("

   for {set i 1} {$i<1000} {incr i} {

     append sql c$i,

   }

   append sql c1000)

   execsql $sql

 } {}

 do_test index2-2.2 {

   ifcapable explain {

     execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5}

   }

   execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5}

 } {9 10009 20009 30009 40009}

 finish_test