3 //--------------------------------------------------------------------------------------------------
5 function get_reference($type, $id)
7 $sql = "SELECT * FROM ".TB_PREF."refs WHERE type=$type AND id=$id";
9 return db_query($sql, "could not query reference table");
12 //--------------------------------------------------------------------------------------------------
14 function add_reference($type, $id, $reference)
16 $sql = "INSERT INTO ".TB_PREF."refs (type, id, reference)
17 VALUES ($type, $id, " . db_escape(trim($reference)) . ")";
19 db_query($sql, "could not add reference entry");
22 //--------------------------------------------------------------------------------------------------
24 function delete_reference($type, $id)
26 $sql = "DELETE FROM ".TB_PREF."refs WHERE type=$type AND id=$id";
28 return db_query($sql, "could not delete from reference table");
31 //--------------------------------------------------------------------------------------------------
33 function find_reference($type, $reference)
35 $sql = "SELECT id FROM ".TB_PREF."refs WHERE type=$type AND reference='$reference'";
37 $result = db_query($sql, "could not query reference table");
39 return (db_num_rows($result) > 0);
42 //--------------------------------------------------------------------------------------------------
44 function save_next_reference($type, $reference)
46 $sql = "UPDATE ".TB_PREF."sys_types SET next_reference=" . db_escape(trim($reference)) . " WHERE type_id = $type";
48 db_query($sql, "The next transaction ref for $type could not be updated");
51 //--------------------------------------------------------------------------------------------------
53 function get_next_reference($type)
55 $sql = "SELECT next_reference FROM ".TB_PREF."sys_types WHERE type_id = $type";
57 $result = db_query($sql,"The last transaction ref for $type could not be retreived");
59 $row = db_fetch_row($result);