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显示数据库对象的空间使用情况show_space

原创 Linux操作系统 作者:NinGoo 时间:2019-06-18 08:03:06 0 删除 编辑

Tom原创,itpub网友修改过的一个过程,对于查看数据库对象的空间使用情况非常方便的一个工具,原帖地址:http://www.itpub.net/239697,3.html


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

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;

select t.segment_space_management into p_space
from dba_tablespaces t , dba_segments s
where s.tablespace_name = t.tablespace_name
and segment_name = p_segname
and s.owner = p_owner
and s.segment_type = p_type ; -- RollingPig change it.
-- if you compile with error,you may login with sys and grant select on dba_tablespace,dba_segments to current_user

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 the segment is analyzed */
if p_analyzed = '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,'*'));
dbms_output.put_line('The segment is analyzed');
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;

来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/193161/viewspace-50223/,如需转载,请注明出处,否则将追究法律责任。

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