}
if ($db_type != null) {
- $sql = "SELECT $db_ref FROM $db_name
+ $sql = "SELECT $db_ref FROM $db_name tbl
LEFT JOIN ".TB_PREF."voided v ON
- $db_name.$db_type=v.type AND $db_name.$db_trans=v.id
- WHERE $db_name.$db_ref=$ref AND ISNULL(v.id)
- AND $db_name.$db_type=$type";
+ tbl.$db_type=v.type AND tbl.$db_trans=v.id
+ WHERE $db_ref=$ref AND ISNULL(v.id)
+ AND tbl.$db_type=$type";
} else {
- $sql = "SELECT $db_ref FROM $db_name
+ $sql = "SELECT $db_ref ref FROM $db_name tbl
LEFT JOIN ".TB_PREF."voided v ON
- v.type=$type AND $db_name.$db_trans=v.id
+ v.type=$type AND tbl.$db_trans=v.id
WHERE $db_ref=$ref AND ISNULL(v.id)";
}
+ if ($trans_no)
+ $sql .= " AND tbl.`$db_trans` != ".db_escape($trans_no);
$result = db_query($sql, "could not test for unique reference");