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SHOW_SPACE存储过程

原创 Oracle 作者:renjixinchina 时间:2014-02-25 15:57:55 0 删除 编辑

 

 

TOM 大师的show_space 存储过程脚本

create or replace procedure show_space

( p_segname_1 in varchar2,

p_owner_1 in varchar2 default user,

p_type_1 in varchar2 default 'TABLE',

p_space in varchar2 default 'AUTO',

p_analyzed in varchar2 default 'Y'

)

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 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;

/

 

 

 

 

使用示例

SQL> set serverout on

SQL> exec show_space('TAB_HIS');

Total Blocks............................1152

Total Bytes.............................9437184

Unused Blocks...........................64

Unused Bytes............................524288

Last Used Ext FileId....................4

Last Used Ext BlockId...................3465

Last Used Block.........................64

*************************************************

The segment is analyzed

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...........16

75% -- 100% free space bytes............131072

Unused Blocks...........................11

Unused Bytes............................90112

Total Blocks............................1035

Total bytes.............................8478720

 

PL/SQL procedure successfully completed.

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