上篇《Oracle高水位线(HWM)及性能优化》用到的show_space

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_partition_1 in varchar2 default NULL,
p_analyzed in varchar2 default 'N',
p_owner_1 in varchar2 default user)
as
p_segname varchar2(100);
p_type varchar2(30);
p_owner varchar2(30);
p_partition varchar2(50);


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);
p_owner := upper(p_owner_1);
p_type := p_type_1;
p_partition := upper(p_partition_1);


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


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


if (p_type_1 = 'tp' or p_type_1 = 'TP') then
p_type := 'TABLE PARTITION';
end if;


if (p_type_1 = 'ip' or p_type_1 = 'IP') then
p_type := 'INDEX PARTITION';
end if;


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




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 );


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,
partition_name => p_partition,
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 ,
partition_name => p_partition,
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;

/