sl@0: # 2005 January 11
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.  The
sl@0: # focus of this file is testing the CREATE INDEX statement.
sl@0: #
sl@0: # $Id: index2.test,v 1.3 2006/03/03 19:12:30 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # Create a table with a large number of columns
sl@0: #
sl@0: do_test index2-1.1 {
sl@0:   set sql {CREATE TABLE t1(}
sl@0:   for {set i 1} {$i<1000} {incr i} {
sl@0:     append sql "c$i,"
sl@0:   }
sl@0:   append sql "c1000);"
sl@0:   execsql $sql
sl@0: } {}
sl@0: do_test index2-1.2 {
sl@0:   set sql {INSERT INTO t1 VALUES(}
sl@0:   for {set i 1} {$i<1000} {incr i} {
sl@0:     append sql $i,
sl@0:   }
sl@0:   append sql {1000);}
sl@0:   execsql $sql
sl@0: } {}
sl@0: do_test index2-1.3 {
sl@0:   execsql {SELECT c123 FROM t1}
sl@0: } 123
sl@0: do_test index2-1.4 {
sl@0:   execsql BEGIN
sl@0:   for {set j 1} {$j<=100} {incr j} {
sl@0:     set sql {INSERT INTO t1 VALUES(}
sl@0:     for {set i 1} {$i<1000} {incr i} {
sl@0:       append sql [expr {$j*10000+$i}],
sl@0:     }
sl@0:     append sql "[expr {$j*10000+1000}]);"
sl@0:     execsql $sql
sl@0:   }
sl@0:   execsql COMMIT
sl@0:   execsql {SELECT count(*) FROM t1}
sl@0: } 101
sl@0: do_test index2-1.5 {
sl@0:   execsql {SELECT round(sum(c1000)) FROM t1}
sl@0: } {50601000.0}
sl@0: 
sl@0: # Create indices with many columns
sl@0: #
sl@0: do_test index2-2.1 {
sl@0:   set sql "CREATE INDEX t1i1 ON t1("
sl@0:   for {set i 1} {$i<1000} {incr i} {
sl@0:     append sql c$i,
sl@0:   }
sl@0:   append sql c1000)
sl@0:   execsql $sql
sl@0: } {}
sl@0: do_test index2-2.2 {
sl@0:   ifcapable explain {
sl@0:     execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5}
sl@0:   }
sl@0:   execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5}
sl@0: } {9 10009 20009 30009 40009}
sl@0: 
sl@0: finish_test