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 )
— this procedure uses authid current user so it can query DBA_*
— views using privileges from a ROLE and so it can be installed
— once per database, instead of once per user that wanted to use it
authid current_user
在页游的数据库中应：
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;
l_segment_space_mgmt varchar2(255);
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;
-- inline procedure to print out numbers nicely formatted
-- with a simple label
procedure p(p_label in varchar2, p_num in number)
is
begin
dbms_output.put_line(rpad(p_label,40,'.') ||
to_charwww.sangpi.com(p_num,'999,999,999,999') );
end;
begin
— this query is executed dynamically in order to allow this procedure
— to be created by a user who has access to DBA_SEGMENTS/TABLESPACES
— via a role as is customary.
— NOTE: at runtime, the invoker MUST have access to these two
— views!
— this query determines if the object is a ASSM object or not
begin
execute immediate
'select ts.segment_space_management
from dba_segments seg, dba_tablespaces ts
where seg.segment_name = :p_segname
and (:p_partition is null or
seg.partition_name = :p_partition)
and seg.owner = :p_owner
and seg.segment_type = :p_type
and seg.tablespace_name = ts.tablespace_name'
into l_segment_space_mgmt
using p_segname, p_partition, p_partition, p_owner, p_type;
exception
when too_many_rows then
dbms_output.put_line
('This must be a partitioned table, use p_partition =>');
return;
end;
— if the object is in an ASSM tablespace, we must use this API
— call to get space information, else we use the FREE_BLOCKS
— API for the user managed segments
if l_segment_space_mgmt = ‘AUTO’
then
dbms_space.space_usage
( p_owner, p_segname, p_type, l_unformatted_blocks,
l_unformatted_bytes, l_fs1_blocks, l_fs1_bytes,
l_fs2_blocks, l_fs2_bytes, l_fs3_blocks, l_fs3_bytes,
l_fs4_blocks, l_fs4_bytes, l_full_blocks, l_full_bytes, p_partition);
p('Unformatted Blocks', l_unformatted_blocks);
p('FS1 Blocks (0-25)', l_fs1_blocks );
p('FS2 Blocks (25-50)', l_fs2_blocks );
p('FS3 Blocks (50-75)', l_fs3_blocks );
p('FS4 Blocks (75-100)', l_fs4_blocks );
p('Full Blocks', l_full_blocks);
else
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);
在页游的数据库中应：
end if;
— and then the unused space API call to get the rest of the
— information
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('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;
/
set serveroutput on
exec show_space(”,”,’TABLE PARTITION’,’DAY18′);