zentral/docs/functions/STRING_TO_TABLE_ENUM.md

STRING_TO_TABLE_ENUM

Codice Sorgente

FUNCTION        "STRING_TO_TABLE_ENUM" (p_string VARCHAR2, v_level in number default 0, p_separator varchar2 default ':') RETURN ENUM_TABLE_TYPE pipelined IS
conta    number := 0;
BEGIN
FOR c IN (    select ROW_NUMBER() OVER (ORDER BY ROWNUM) id, result
                from (
                  with test as (
                    select p_string col
                    from dual
                  )
                  select nvl(regexp_substr(col, '[^' || p_separator || ']+', 1, level), '') result
                  from test
                  connect by level <= length(regexp_replace(col, '[^' || p_separator || ']+')) + 1)
            ) 
LOOP
    conta := conta + 1;
    if v_level = 0 or ( v_level = conta ) then  
        pipe row(enum_table_object(c.id,c.result));
    end if;
END LOOP;
RETURN;
END STRING_TO_TABLE_ENUM;```