- added UBL documentation

www/document.xml-postgresql.xql

+<?xml version="1.0"?>
+<!DOCTYPE queryset PUBLIC "-//OpenACS//DTD XQL 1.0//EN" "/usr/share/emacs/DTDs/xql.dtd">
+<!-- packages/intranet-invoices/www/view-postgresql.xql -->
+<!-- @author Juanjo Ruiz (juanjoruizx@yahoo.es) -->
+<!-- @creation-date 2004-10-08 -->
+<!-- @arch-tag ffe2b337-c79b-4b45-bfcb-41a371866d36 -->
+<!-- @cvs-id $Id$ -->
+
+<queryset>
+  
+  
+  <rdbms>
+    <type>postgresql</type>
+    <version>7.2</version>
+  </rdbms>
+  
+  <fullquery name = "invoice_items">
+    <querytext>
+      select
+	i.*,
+	p.*,
+	im_category_from_id(i.item_type_id) as item_type,
+	im_category_from_id(i.item_uom_id) as item_uom,
+	p.project_nr as project_short_name,
+	round(i.price_per_unit * i.item_units * :rf) / :rf as amount,
+	to_char(round(i.price_per_unit * i.item_units * :rf) / :rf, :cur_format) as amount_formatted
+      from
+	im_invoice_items i
+	      LEFT JOIN im_projects p on i.project_id=p.project_id
+      where
+	i.invoice_id=:invoice_id
+      order by
+	i.sort_order,
+	i.item_type_id;
+      </querytext>
+    </fullquery>
+
+
+  <fullquery name = "calc_grand_total">
+    <querytext>
+
+	select	i.*,
+		round(i.grand_total * :vat / 100 * :rf) / :rf as vat_amount,
+		round(i.grand_total * :tax / 100 * :rf) / :rf as tax_amount,
+		i.grand_total
+			+ round(i.grand_total * :vat / 100 * :rf) / :rf
+			+ round(i.grand_total * :tax / 100 * :rf) / :rf
+		as total_due
+	from
+		(select
+			max(i.currency) as currency,
+			sum(i.amount) as subtotal,
+			round(sum(i.amount) * :surcharge_perc::numeric) / 100.0 as surcharge_amount,
+			round(sum(i.amount) * :discount_perc::numeric) / 100.0 as discount_amount,
+			sum(i.amount)
+				+ round(sum(i.amount) * :surcharge_perc::numeric) / 100.0
+				+ round(sum(i.amount) * :discount_perc::numeric) / 100.0
+			as grand_total
+		from 
+			(select	ii.*,
+				round(ii.price_per_unit * ii.item_units * :rf) / :rf as amount
+			from	im_invoice_items ii,
+				im_invoices i
+			where	i.invoice_id = ii.invoice_id
+				and i.invoice_id = :invoice_id
+			) i
+		) i
+
+    </querytext>
+  </fullquery>
+
+
+
+
+</queryset>