create or replace procedure show_space(v_segment_name in varchar2,
v_segment_owner in varchar2 default user, v_segment_type in varchar2 default 'TABLE', p_analyzed in varchar2 default 'Y', p_partition_name in varchar2 default null)
as
p_segment_name varchar2(30);
p_segment_owner varchar2(30);
p_segment_type varchar2(30);
p_space 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_segment_name := upper(v_segment_name); p_segment_owner := upper(v_segment_owner); p_segment_type := upper(v_segment_type);
if (p_segment_type = 'I' or p_segment_type = 'INDEX') then p_segment_type := 'INDEX'; elsif (p_segment_type = 'T' or p_segment_type = 'TABLE') then p_segment_type := 'TABLE'; elsif (p_segment_type = 'C' or p_segment_type = 'CLUSTER') then p_segment_type := 'CLUSTER'; end if;
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.tablespace_name = ts.tablespace_name' into p_space using p_segment_name, p_partition_name, p_partition_name, p_segment_owner;
dbms_space.unused_space(segment_owner => p_segment_owner,
segment_name => p_segment_name,
segment_type => p_segment_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,
partition_name => p_partition_name);
p('Total Blocks ', l_total_blocks); p('Total Bytes ', l_total_bytes); p('Total MBytes ', l_total_bytes / 1024 / 1024); p('Unused Blocks ', l_unused_blocks); p('Unused Bytes ', l_unused_bytes); p('Unused KBytes ', l_unused_bytes / 1024); p('Used Blocks ', l_total_blocks - l_unused_blocks); p('Used Bytes ', l_total_bytes - l_unused_bytes); p('Used KBytes ', (l_total_bytes - l_unused_bytes) / 1024);
p('Last Used Ext FileId', l_lastusedextfileid);
p('Last Used Ext BlockId', l_lastusedextblockid);
p('Last Used Block', l_last_used_block);
if p_analyzed = 'Y' then if p_space = 'AUTO' then dbms_space.space_usage(segment_owner => p_segment_owner,
segment_name => p_segment_name,
segment_type => p_segment_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,
partition_name => p_partition_name);
dbms_output.put_line(''); dbms_output.put_line('The segment is analyzed below'); 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('Unformatted Blocks ', l_unformatted_blocks); p('Full Blocks ', l_full_blocks); else dbms_space.free_blocks(segment_owner => p_segment_owner,
segment_name => p_segment_name,
segment_type => p_segment_type,
freelist_group_id => 0,
free_blks => l_free_blks);
p('Free Blocks', l_free_blks); end if; end if; end;
使用：
SET SERVEROUTPUT ON ;
exec show_space('TBLNAME','POLY','TABLE','Y');