overhead account stuff

schema/create.sql

@@ -39,6 +39,7 @@ CREATE TABLE premise_t (
   ,street varchar(128)     not null 
   ,zip varchar(10)     not null 
   ,city varchar(128)     not null 
+  ,account integer     not null   references account_t (id)     unique 
 );
 
 GRANT SELECT, INSERT, UPDATE ON premise_t TO hv2;
@@ -149,6 +150,7 @@ CREATE TABLE account_entry_t (
   ,account integer     not null   references account_t (id) 
   ,created_at timestamp     not null   default now() 
   ,amount numeric(10,2)     not null 
+  ,document_no integer     unique 
   ,account_entry_category integer     not null   references account_entry_category_t (id) 
   ,unique(description, account, created_at)
 );