#!/usr/bin/perl
# Copyright GPL (c) 2004 Mike Chirico mchirico@users.sourceforge.net mchirico@comcast.net


# You will need the following to work with
# SQLite3
#
#  $ perl -MCPAN -e shell
#  cpan> install DBI
#  cpan> install DBD::SQLite


# Reference
#  http://www.perl.com/pub/a/2004/09/12/embedded.html

use strict;
use warnings;

use DBI;

my $database = "test_database";

my $dbh = DBI->connect( "dbi:SQLite:$database" ) || die "Cannot connect: $DBI::errstr";

$dbh->do("DROP TABLE user");
$dbh->do("DROP TABLE profile");
$dbh->do("DROP TABLE demographic");

$dbh->do( "CREATE TABLE user (
                    email       VARCHAR(25),
                    user_id     VARCHAR(15),
                    perm        VARCHAR(30))");

$dbh->do( "CREATE TABLE profile (
                    user_id     VARCHAR(15),
                    pref        VARCHAR(30),
                    ic_ind      INTEGER)");

$dbh->do( "CREATE TABLE demographic (
                    user_id     VARCHAR(15),
                    fname       VARCHAR(15),
                    lname       VARCHAR(20),
                    interest    INTEGER)");

$dbh->do("DROP TRIGGER update_profile");

$dbh->do("CREATE TRIGGER update_profile AFTER INSERT  ON user
BEGIN
  INSERT INTO profile user_id values (new.user_id);
END;");

$dbh->do( "INSERT INTO user (email, user_id, perm)
                        values ('abc\@test.net','a12345','perm_data_1')");

$dbh->do( "INSERT INTO user (email, user_id, perm)
                        values ('nancy\@optonline.net','a131313','perm_data_2')");

$dbh->do( "INSERT INTO user (email, user_id, perm)
                        values ('naomi\@gmail.com','b515515','perm_data_3')");

$dbh->do( "INSERT INTO profile (user_id, pref,ic_ind)
                        values ('b515515','sex','whatever')");

$dbh->do ("INSERT INTO profile (user_id, pref, ic_ind)
                        values ('a12345', 'talking', 'whatever')");

$dbh->do ("INSERT INTO demographic (user_id, fname, lname, interest)
                        values ('a12345', 'Nancy', 'McGrath','whatever')");

print "LAST insert id: ",$dbh->func('last_insert_rowid'),"\n\n\n";

my $i;
print "dumping profile\n";
my $res = $dbh->selectall_arrayref( q( SELECT * FROM profile ));
foreach( @$res ) {
    foreach $i (0..$#$_) {
       print "$_->[$i] "
       }
    print "\n";
}

print "\ndumping user\n";
$res = $dbh->selectall_arrayref( q( SELECT email, user_id, perm FROM user ));
foreach( @$res ) {
    foreach $i (0..$#$_) {
       print "$_->[$i] "
       }
    print "\n";
}

print "\ndumping demographic\n";
$res = $dbh->selectall_arrayref( q( SELECT * FROM user ));
foreach( @$res ) {
    foreach $i (0..$#$_) {
       print "$_->[0] "
       }
    print "\n";
}

$dbh->disconnect;