+++ /dev/null
-<HTML>
-<HEAD>
-<TITLE>test pirate page</TITLE>
-</HEAD>
-<BODY>
-
-<html><head><title>Select island</title></head><body>
-<form action="/ucgi/~clareb/mason/something" method="get">
-<select name="islandid">
-<%perl>
-my $sth=$dbh->prepare("SELECT islandid,archipelago,islandname
- FROM islands
- ORDER BY archipelago,islandname;");
-$sth->execute();
-</%perl>
-% my $row;
-% while ($row=$sth->fetchrow_hashref) {
-<option value="<% $row->{'islandid'} |h %>"><% $row->{'archipelago'} |h %> -
-<% $row->{'islandname'} |h %>
-% }
-<input type=submit name=submit value="Go">
-</form>
-
-my $sth=$dbh->prepare(
- "SELECT a.commodname,b.price,c.price,d.stallname,e.islandname
- FROM commods as a
- JOIN buy as b on a.commodid=b.commodid
- JOIN buy as c on a.commodid=c.commodid
- JOIN stalls as d on d.stallid=b.stallid
- JOIN islands as e on e.islandid=d.islandid
- WHERE a.commodname like 'Wood'
- ");
-
-$sth->execute();
-</%perl>
-<table frame=box rules=all>
-<!--
-<tr><td>Island</td><td>Arch</td><td>Stall</td><td>buy price</td><td>sell price</td></tr>
--->
-% my @row;
-% while (@row=$sth->fetchrow_array) {
-<tr>
-% foreach my $cell (@row) {
-<td>
-<% $cell %>
-</td>
-% }
-</tr>
-% }
-</table>
-
-</BODY>
-</HTML>
-
-<%init>
-use CommodsWeb;
-my $dbh= dbw_connect('Midnight');
-</%init>
--- /dev/null
+<HTML>
+<HEAD>
+<TITLE>test pirate page</TITLE>
+</HEAD>
+<BODY>
+
+<html><head><title>Profitable trades</title></head><body>
+<%perl>
+my $sth=$dbh->prepare(
+ "SELECT commods.commodname,
+ sell_islands.islandname,sell_stalls.stallname,sell.price,sell.qty,
+ buy_islands.islandname,buy_stalls.stallname,buy.price,buy.qty
+ FROM commods
+ JOIN buy on commods.commodid=buy.commodid
+ JOIN sell on commods.commodid=sell.commodid
+ JOIN islands as buy_islands on buy.islandid = buy_islands.islandid
+ JOIN stalls as buy_stalls on buy.stallid = buy_stalls.stallid
+ JOIN islands as sell_islands on sell.islandid = sell_islands.islandid
+ JOIN stalls as sell_stalls on sell.stallid = sell_stalls.stallid
+ WHERE buy.islandid like '36' and sell.islandid like '5'
+ and buy.price > sell.price
+ ");
+
+$sth->execute();
+</%perl>
+<table frame=box rules=all>
+<tr><td>commod</td><td>buy island</td><td>buy stall</td><td>buy price</td><td>buy quantity</td><td>sell island</td><td>sell stall</td><td>sell price</td><td>sell qty</td></tr>
+% my @row;
+% while (@row=$sth->fetchrow_array) {
+<tr>
+% foreach my $cell (@row) {
+<td>
+<% $cell %>
+</td>
+% }
+</tr>
+% }
+</table>
+
+</BODY>
+</HTML>
+
+<%init>
+use CommodsWeb;
+my $dbh= dbw_connect('Midnight');
+</%init>