/** * Return true if field is a primary key of the specified table, false otherwise * * @param tableAlias The alias of the table in the query * @param field The pure name of the field */ private boolean isPkey(String tableAlias, String field) { int tid1 = p.getTableId(tableAlias); String pkey1 = Database.getCatalog().getPrimaryKey(tid1); return pkey1.equals(field); }