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# 2005-01-11
#
# 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.
#
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
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