show_space

show_space

show_space

 

    Tom的show_space备份一下。非常有用！！！

 

 

CREATE OR REPLACE PROCEDURE show_space(p_segname IN VARCHAR2,
                                       p_owner IN VARCHAR2 DEFAULT 'USER',
                                       p_type IN VARCHAR2 DEFAULT 'TABLE',
                                       p_partition IN VARCHAR2 DEFAULT NULL
                                       )
AUTHID CURRENT_USER
AS
  l_free_blks     NUMBER;
  l_total_blocks NUMBER;
  l_total_bytes   NUMBER;
  l_unused_blocks NUMBER;
  l_unused_bytes NUMBER;
  l_lastusedextfileid NUMBER;
  l_lastusedextblockid NUMBER;
  l_last_used_block    NUMBER;

  PROCEDURE p (p_label IN VARCHAR2, p_num IN NUMBER)
  IS
  BEGIN
    DBMS_OUTPUT.put_line (RPAD (p_label, 40, '.') || p_num);
  END;

BEGIN
  FOR x IN (SELECT tablespace_name
              FROM user_tablespaces
             WHERE tablespace_name =
                   (SELECT tablespace_name
                      FROM user_segments
                     WHERE segment_type = p_type
                       AND segment_name = p_segname
                       AND segment_space_management <> 'AUTO'))
  LOOP
    DBMS_SPACE.free_blocks (segment_owner => p_owner,
                            segment_name => p_segname,
                            segment_type => p_type,
                            partition_name => p_partition,
                            freelist_group_id => 0,
                            free_blks => l_free_blks
                            );
  END LOOP;

  DBMS_SPACE.unused_space (segment_owner => p_owner,
                           segment_name => p_segname,
                           segment_type => p_type,
                           partition_name => p_partition,
                           total_blocks => l_total_blocks,
                           total_bytes => l_total_bytes,
                           unused_blocks => l_unused_blocks,
                           unused_bytes => l_unused_bytes,
                           last_used_extent_file_id => l_lastusedextfileid,
                           last_used_extent_block_id => l_lastusedextblockid,
                           last_used_block => l_last_used_block
                           );

  p ('Free Blocks', l_free_blks);
  p ('Total Blocks', l_total_blocks);
  p ('Total Bytes', l_total_bytes);
  p ('Total MBytes', TRUNC (l_total_bytes / 1024 / 1024));
  p ('Unused Blocks', l_unused_blocks);
  p ('Unused Bytes', l_unused_bytes);
  p ('Last Used Ext FileId', l_lastusedextfileid);
  p ('Last Used Ext BlockId', l_lastusedextblockid);
  p ('Last Used Block', l_last_used_block);
END;
/

 

    修改后支持 ASSM 的 show_space script

 

 

create or replace procedure show_space (p_segname_1 in varchar2,
                                        p_space in varchar2 default 'MANUAL',
                                        p_type_1 in varchar2 default 'TABLE' ,
                                        p_freespace in varchar2 default 'N',
                                        p_owner_1 in varchar2 default user)
as
  p_segname varchar2(100);
  p_type    varchar2(10);
  p_owner   varchar2(30);

 

  l_unformatted_blocks number;
  l_unformatted_bytes number;
  l_fs1_blocks number;
  l_fs1_bytes number;
  l_fs2_blocks number;
  l_fs2_bytes number;
  l_fs3_blocks number;
  l_fs3_bytes number;
  l_fs4_blocks number;
  l_fs4_bytes number;
  l_full_blocks number;
  l_full_bytes number;

 

  l_free_blks number;
  l_total_blocks number;
  l_total_bytes number;
  l_unused_blocks number;
  l_unused_bytes number;
  l_LastUsedExtFileId number;
  l_LastUsedExtBlockId number;
  l_LAST_USED_BLOCK number;

 

  procedure p( p_label in varchar2, p_num in number )
  is
  begin
    dbms_output.put_line( rpad(p_label,40,'.') || p_num );
  end;

begin
  p_segname := upper(p_segname_1); -- rainy changed 
  p_owner := upper(p_owner_1);
  p_type := p_type_1;

 

  if (p_type_1 = 'i' or p_type_1 = 'I') then --rainy changed
    p_type := 'INDEX';
  end if;

 

  if (p_type_1 = 't' or p_type_1 = 'T') then --rainy changed
    p_type := 'TABLE';
  end if;

 

  if (p_type_1 = 'c' or p_type_1 = 'C') then --rainy changed
    p_type := 'CLUSTER';
  end if;

  dbms_space.unused_space (segment_owner => p_owner,
                           segment_name => p_segname,
                           segment_type => p_type,
                           total_blocks => l_total_blocks,
                           total_bytes => l_total_bytes,
                           unused_blocks => l_unused_blocks,
                           unused_bytes => l_unused_bytes,
                           LAST_USED_EXTENT_FILE_ID => l_LastUsedExtFileId,
                           LAST_USED_EXTENT_BLOCK_ID => l_LastUsedExtBlockId,
                           LAST_USED_BLOCK => l_LAST_USED_BLOCK );

 

  if p_space = 'MANUAL' or (p_space <> 'auto' and p_space <> 'AUTO') then
    dbms_space.free_blocks (segment_owner => p_owner,
                            segment_name => p_segname,
                            segment_type => p_type,
                            freelist_group_id => 0,
                            free_blks => l_free_blks );

 

    p( 'Free Blocks', l_free_blks );
  end if;

  p( 'Total Blocks', l_total_blocks );
  p( 'Total Bytes', l_total_bytes );
  p( 'Unused Blocks', l_unused_blocks );
  p( 'Unused Bytes', l_unused_bytes );
  p( 'Last Used Ext FileId', l_LastUsedExtFileId );
  p( 'Last Used Ext BlockId', l_LastUsedExtBlockId );
  p( 'Last Used Block', l_LAST_USED_BLOCK );

 

  if p_freespace = 'Y' then
    dbms_space.space_usage (segment_owner => p_owner ,
                            segment_name => p_segname ,
                            segment_type => p_type ,
                            unformatted_blocks => l_unformatted_blocks ,
                            unformatted_bytes => l_unformatted_bytes,
                            fs1_blocks => l_fs1_blocks,
                            fs1_bytes => l_fs1_bytes ,
                            fs2_blocks => l_fs2_blocks,
                            fs2_bytes => l_fs2_bytes,
                            fs3_blocks => l_fs3_blocks ,
                            fs3_bytes => l_fs3_bytes,
                            fs4_blocks => l_fs4_blocks,
                            fs4_bytes => l_fs4_bytes,
                            full_blocks => l_full_blocks,
                            full_bytes => l_full_bytes);

    dbms_output.put_line(rpad(' ',50,'*'));

    p( '0% -- 25% free space blocks', l_fs1_blocks);
    p( '0% -- 25% free space bytes', l_fs1_bytes);
    p( '25% -- 50% free space blocks', l_fs2_blocks);
    p( '25% -- 50% free space bytes', l_fs2_bytes);
    p( '50% -- 75% free space blocks', l_fs3_blocks);
    p( '50% -- 75% free space bytes', l_fs3_bytes);
    p( '75% -- 100% free space blocks', l_fs4_blocks);
    p( '75% -- 100% free space bytes', l_fs4_bytes);
    p( 'Unused Blocks', l_unformatted_blocks );
    p( 'Unused Bytes', l_unformatted_bytes );
    p( 'Total Blocks', l_full_blocks);
    p( 'Total bytes', l_full_bytes);

 

  end if;

 

end;

/

 

 

ASSM 类型的表：

 

SQL> exec show_space('t','auto');
Total Blocks............................512
Total Bytes.............................4194304
Unused Blocks...........................78
Unused Bytes............................638976
Last Used Ext FileId....................9
Last Used Ext BlockId...................25608
Last Used Block.........................50

 

PL/SQL procedure successfully completed.

 

 

ASSM 类型的索引：

SQL> exec show_space('t_index','auto','i');
Total Blocks............................80
Total Bytes.............................655360
Unused Blocks...........................5
Unused Bytes............................40960
Last Used Ext FileId....................9
Last Used Ext BlockId...................25312
Last Used Block.........................3

 

PL/SQL procedure successfully completed.

 

 

 

SQL> exec show_space('t','auto','T','Y');
Total Blocks............................512
Total Bytes.............................4194304
Unused Blocks...........................78
Unused Bytes............................638976
Last Used Ext FileId....................9
Last Used Ext BlockId...................25608
Last Used Block.........................50
*************************************************
0% -- 25% free space blocks.............0
0% -- 25% free space bytes..............0
25% -- 50% free space blocks............0
25% -- 50% free space bytes.............0
50% -- 75% free space blocks............0
50% -- 75% free space bytes.............0
75% -- 100% free space blocks...........0
75% -- 100% free space bytes............0
Unused Blocks...........................0
Unused Bytes............................0
Total Blocks............................418
Total bytes.............................3424256

 

PL/SQL procedure successfully completed.