tww.tww

Parameters

Name	Type	Mode
schema_name	text	IN
table_name	text	IN

Definition

DECLARE
  myrec_prefix record;
  myrec_shortcut record;
  myrec_seq record;
BEGIN
  -- first we have to get the OID prefix
  BEGIN
    SELECT prefix::text INTO myrec_prefix FROM tww_sys.oid_prefixes WHERE active = TRUE;
    EXCEPTION
        WHEN NO_DATA_FOUND THEN
           RAISE EXCEPTION 'no active record found in table tww_sys.oid_prefixes';
        WHEN TOO_MANY_ROWS THEN
	   RAISE EXCEPTION 'more than one active records found in table tww_sys.oid_prefixes';
  END;
  -- test if prefix is of correct length
  IF char_length(myrec_prefix.prefix) != 8 THEN
    RAISE EXCEPTION 'character length of prefix must be 8';
  END IF;
  --get table 2char shortcut
  BEGIN
    SELECT shortcut_en INTO STRICT myrec_shortcut FROM tww_sys.dictionary_od_table WHERE tablename = table_name;
    EXCEPTION
        WHEN NO_DATA_FOUND THEN
            RAISE EXCEPTION 'dictionary entry for table % not found', table_name;
        WHEN TOO_MANY_ROWS THEN
            RAISE EXCEPTION 'dictonary entry for table % not unique', table_name;
  END;
  --get sequence for table
  EXECUTE format('SELECT nextval(''%1$I.seq_%2$I_oid'') AS seqval', schema_name, table_name) INTO myrec_seq;
  IF NOT FOUND THEN
    RAISE EXCEPTION 'sequence for table % not found', table_name;
  END IF;
  RETURN myrec_prefix.prefix || myrec_shortcut.shortcut_en || to_char(myrec_seq.seqval,'FM000000');
END;

generate_oid(schema_name text, table_name text)

Parameters

Definition