Oracle存储过程show_space完整版
show_space的版本在网络上有不少版本. 今天整理出一个通用的版本, 以后用.
- 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;
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