# 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