Hide the update option in viewtable HTML view if all fields are key fields

lib/db-viewtable-html.lsp

@@ -65,19 +65,30 @@ if form.value.connection then
 	formvalues.connection = form.value.connection
 	for n,v in pairs(form.value.connection.value) do v.type="hidden" end
 end
+local reversekeyfields = {}
 if form.value.keyfields then
 	formvalues.fields = cfe({ type="group", value={} })
 	for i,f in ipairs(form.value.keyfields.value) do
 		formvalues.fields.value[f] = cfe({ type="hidden" })
+		reversekeyfields[f] = i
 	end
 end
 formvalues.table = form.value.table
 form.value.table.type = "hidden"
 formvalues.redir = redir
+-- We will hide the update link if all fields are key fields
+local allowupdate = false
+for i,f in ipairs(form.value.fields.value) do
+	if not reversekeyfields[f] then
+		allowupdate = true
+		break
+	end
+end
+allowupdate = allowupdate and viewlibrary.check_permission("updatetableentry")
 %>
 <% for i,tableentry in ipairs(form.value.entries.value) do %>
 	<tr>
-	<% if viewlibrary.check_permission("deletetableentry") or viewlibrary.check_permission("updatetableentry") then %>
+	<% if viewlibrary.check_permission("deletetableentry") or allowupdate then %>
 		<%
 		if formvalues.fields then
 			for i,f in ipairs(form.value.keyfields.value) do
@@ -86,7 +97,7 @@ formvalues.redir = redir
 		end
 		%>
 		<td>
-	<% if viewlibrary.check_permission("updatetableentry") then %>
+	<% if allowupdate then %>
 		<% htmlviewfunctions.displayitem(cfe({type="link", value=formvalues, label="", option="Update", action="updatetableentry"}), page_info, -1) %>
 	<% end %>
 	<% if viewlibrary.check_permission("deletetableentry") then %>