Large file support function

I have a SP (code below) that creates a new data file or added to an existing file if a threshold is reached.

So as you can see, I can close with more than 1 data file.

A few examples:

maximum size = 30G, size of the data file is 28G, I add 1 G if the data file should be 29G

maximum size = 30G, size of the data file is 28 g, I add 2G if the datafuke should be 30 g

maximum size = 30G, size of the data file is 28 g, I add 3G so I should now have 2 data files 1 of them being of 30G and the other 1 G

Basically, the code will be go through each data file and make 30G (file_max_m) until all the space is exhausted

I can use some help create and integrate a function that can tell me if TBS supports large files. If it does not support

such features as described above should be left alone (may have multiple data files) if she does not support, I just want to keep

resize the file.

Any help with this change of function and the code will be greatly appreciated

01.intro create or replace
02.Markus (add_space) procedure of
03. p_tablespace varchar2,
04 p_gibabytes number
05.) is
06 add_m number: = 1024 * p_gibabytes;
07 required_m number: = 0;
08 created_m number: = 0;
09 file_max_m number: = 1024 * 30; -30G
10 ts_size number: = 0;
11 start
(12 for ts in)
13. Select
14 nom_tablespace,
(15 round)
(16 total)
17 case when CanGrow = "YES" and bytes, maxbytes then
18 maxbytes / 1024 / 1024
19. other
20 bytes / 1024 / 1024
21 end
22.) over (partition by tablespace_name)
23.) tablespace_m,.
24 file_name,
(25. round)
(26 total)
27 case when CanGrow = "YES" and bytes, maxbytes then
28 maxbytes / 1024 / 1024
29. on the other
30 bytes / 1024 / 1024
31 end
32.) over (partition by filename)
file_m 33).
34. of dba_data_files
"35. where nom_tablespace = upper (p_tablespace) and online_status = 'ONLINE' and status =" AVAILABLE "
36 and p_gibabytes between 1 and 999
37 order by desc - last file_id firstly the file
loop 38).
39 ts_size: = ts.tablespace_m; -for report
40 required_m: = ts.tablespace_m + add_m;
41 -
42 - resize datafile (s)
43 -
44 created_m: = created_m + ts.file_m;
45 if (created_m < required_m and ts.file_m < file_max_m) then
46 report
47 number size_m: = ts.file_m + required_m - created_m; -current size + difference is new size
48 start
49 if (size_m > file_max_m) then
50 size_m: = file_max_m;
51 end if;
52 dbms_output.put_line('alter database datafile ''' || ts.file_name ||) "' resize '. size_m | AM; -' | TS.file_m | Am to ' | round (size_m/1024, 3) | 'G');
53 created_m: = created_m + size_m;
54 end;
55 end if;
56 end loop;
57 -
58 - Add data files
59. -
60 while (required_m > 0 and created_m < required_m)
61 loop
62 report
63 size_m number: = required_m - created_m;
64 start
65 if (size_m > file_max_m) then
66 size_m: = file_max_m;
67 end if;
68 dbms_output.put_line('alter tablespace ' || p_tablespace || q'"add datafile '+DATA01' size"' || size_m ||) AM; -- ' || round (size_m/1024, 3) | 'G');
69 created_m: = created_m + size_m;
70 end;
71 end loop;
72 - report
73 dbms_output.put_line ('-tablespace ': upper (p_tablespace) |) "resize" | p_gibabytes | "G of |  ts_size | Am to ' | required_m | 'M');
74.end;
75 /
76.la sho err
77.
78.
79.Le ADD_SPACE compiled PROCEDURE
80.
81.
82 - bug fixed and tested here
83.Stentor set serveroutput size unlimited
84 create tablespace testts datafile ' C:\ORACLEXE\APP\ORACLE\ORADATA\XE\TESTTS01. DBF' size 9G Online;
85.Le exec add_space ('testts', 1);
86 drop tablespace testts including content and data files;
87.
88.
89. tablespace created TESTTS.
90.l anonymous block finished
91.Les alter database datafile ' C:\ORACLEXE\APP\ORACLE\ORADATA\XE\TESTTS01. DBF' resize 10240M; -from 9216M to 10G
92 - tablespace TESTTS resized 1 G of M 9216 10240 m
93.Le tablespace TESTTS dropped.
94.
95.
96 - another test
97 - add 1 G of users
98 add_space exec ('users', 1);
99.
100.
101 - script is created
102. anonymous block finished
103.Le alter database datafile ' C:\ORACLEXE\APP\ORACLE\ORADATA\XE\USERS03. DBF' resize 2499M; -from 1255M to 2, 44G
104 - tablespace USERS resized 1 G from 1475 to 2499 M
105.
106.
107 - I did run this script and file is resized
108.INO database datafile ' C:\ORACLEXE\APP\ORACLE\ORADATA\XE\USERS03. DBF' altered.
109.
110.
111 - Add another 1 G users
112 add_space exec ('users', 1);
113.
114.
115 - script is created
116.Le anonymous block finished
117.avant alter database datafile ' C:\ORACLEXE\APP\ORACLE\ORADATA\XE\USERS03. DBF' resize 3743M; -of 2499M 3 655 G
118 - tablespace USERS resized 1 G of 2719 M 3743 M

/

Hello

Try this. I didn't test it. Just remember that the command can be a bit difgferent for bigfiles. I'll check that. Now, he must be able to manage the resizing of bigfile tablespace.

create or replace
procedure add_space(
  p_tablespace varchar2,
  p_gibabytes number,
  p_diskgroup varchar2 default '+DATA01'
) is
  add_m       number := 1024 * p_gibabytes;
  required_m  number := 0;
  created_m   number := 0;
  file_max_m  number := 1024 * 30; -- 30G
  ts_size     number := 0;
begin
  for ts in (
    select
      tablespace_name,
      (select bigfile from dba_tablespaces where tablespace_name = dba_data_files.tablespace_name) bigfile,
      round(
        sum(
          case when autoextensible = 'YES' and bytes < maxbytes then
            maxbytes / 1024 / 1024
          else
            bytes / 1024 / 1024
          end
        ) over (partition by tablespace_name)
      ) tablespace_m,
      file_name,
      round(
        case when autoextensible = 'YES' and bytes < maxbytes then
          maxbytes / 1024 / 1024
        else
          bytes / 1024 / 1024
        end
      ) file_m
    from dba_data_files
    where tablespace_name = upper(p_tablespace) and online_status = 'ONLINE' and status = 'AVAILABLE'
    and p_gibabytes between 1 and 999
    order by file_id desc -- last file first
  ) loop
    ts_size := ts.tablespace_m; -- for report
    required_m := ts.tablespace_m + add_m;
    if (ts.bigfile = 'YES') then
      file_max_m := 1024 * 1024 * 32; -- 32TB
    end if;
    --
    -- resize datafile(s)
    --
    created_m := created_m + ts.file_m;
    if (created_m < required_m and ts.file_m < file_max_m) then
      declare
        size_m    number := ts.file_m + required_m - created_m; -- current size + difference is new size
        sql_text  varchar2(2000) := q'"ALTER DATABASE DATAFILE '{file_name}' RESIZE {size}M;"';
      begin
        if (ts.bigfile = 'YES') then
          sql_text  := q'"ALTER TABLESPACE '{tablespace_name}' RESIZE {size}M;"';
        end if;
        if (size_m > file_max_m) then
          size_m := file_max_m;
        end if;
        sql_text := replace(replace(replace(sql_text,
          '{tablespace_name}', ts.tablespace_name),
          '{file_name}', ts.file_name),
          '{size}',size_m
        );
        dbms_output.put_line(sql_text || '; -- from ' || ts.file_m || 'M to ' || round(size_m / 1024, 3) || 'G');
        created_m := created_m + size_m;
      end;
    end if;
  end loop;
  --
  -- add datafiles
  --
  while (required_m > 0 and created_m < required_m)
  loop
    declare
      size_m    number := required_m - created_m;
      sql_text  varchar2(2000) := q'"ALTER TABLESPACE {tablespace_name} ADD DATAFILE '{diskgroup}' SIZE {size}M;"';
    begin
      if (size_m > file_max_m) then
        size_m := file_max_m;
      end if;
      sql_text := replace(replace(replace(sql_text,
        '{tablespace_name}', p_tablespace),
        '{diskgroup}', p_diskgroup),
        '{size}',size_m
      );
      dbms_output.put_line(sql_text || '; --' || round(size_m / 1024, 3) || 'G');
      created_m := created_m + size_m;
    end;
  end loop;
  -- report
  dbms_output.put_line('-- tablespace ' || upper(p_tablespace) || ' resized ' || p_gibabytes || 'G from ' ||  ts_size  || 'M to ' || required_m || 'M');
end;
/
sho err

Tags: Database

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