小编给大家分享一下如何抽取exp/expdp导出文件头的信息，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！
抽取exp和expdp的dump文件头信息，同时支持oracle 7.3.4以后的exp导出文件和oracle 10.1以后的expdp导出文件
CREATE OR REPLACE PROCEDURE show_dumpfile_info(
p_dir VARCHAR2 DEFAULT 'DATA_PUMP_DIR',
p_file VARCHAR2 DEFAULT 'EXPDAT.DMP')
AS
-- p_dir = directory object where dump file can be found
-- p_file = simple filename of export dump file (case-sensitive)
v_separator VARCHAR2(80) := '--------------------------------------' ||
'--------------------------------------';
v_path all_directories.directory_path%type := '?';
v_filetype NUMBER; -- 0=unknown 1=expdp 2=exp 3=ext
v_fileversion VARCHAR2(15); -- 0.1=10gR1 1.1=10gR2 (etc.)
v_info_table sys.ku$_dumpfile_info; -- PL/SQL table with file info
type valtype IS VARRAY(23) OF VARCHAR2(2048);
var_values valtype := valtype();
no_file_found EXCEPTION;
PRAGMA exception_init(no_file_found, -39211);
BEGIN
-- Dump file details:
-- ==================
-- For Oracle10g Release 2 and higher:
-- dbms_datapump.KU$_DFHDR_FILE_VERSION CONSTANT NUMBER := 1;
-- dbms_datapump.KU$_DFHDR_MASTER_PRESENT CONSTANT NUMBER := 2;
-- dbms_datapump.KU$_DFHDR_GUID CONSTANT NUMBER := 3;
-- dbms_datapump.KU$_DFHDR_FILE_NUMBER CONSTANT NUMBER := 4;
-- dbms_datapump.KU$_DFHDR_CHARSET_ID CONSTANT NUMBER := 5;
-- dbms_datapump.KU$_DFHDR_CREATION_DATE CONSTANT NUMBER := 6;
-- dbms_datapump.KU$_DFHDR_FLAGS CONSTANT NUMBER := 7;
-- dbms_datapump.KU$_DFHDR_JOB_NAME CONSTANT NUMBER := 8;
-- dbms_datapump.KU$_DFHDR_PLATFORM CONSTANT NUMBER := 9;
-- dbms_datapump.KU$_DFHDR_INSTANCE CONSTANT NUMBER := 10;
-- dbms_datapump.KU$_DFHDR_LANGUAGE CONSTANT NUMBER := 11;
-- dbms_datapump.KU$_DFHDR_BLOCKSIZE CONSTANT NUMBER := 12;
-- dbms_datapump.KU$_DFHDR_DIRPATH CONSTANT NUMBER := 13;
-- dbms_datapump.KU$_DFHDR_METADATA_COMPRESSED CONSTANT NUMBER := 14;
-- dbms_datapump.KU$_DFHDR_DB_VERSION CONSTANT NUMBER := 15;
-- For Oracle11gR1:
-- dbms_datapump.KU$_DFHDR_MASTER_PIECE_COUNT CONSTANT NUMBER := 16;
-- dbms_datapump.KU$_DFHDR_MASTER_PIECE_NUMBER CONSTANT NUMBER := 17;
-- dbms_datapump.KU$_DFHDR_DATA_COMPRESSED CONSTANT NUMBER := 18;
-- dbms_datapump.KU$_DFHDR_METADATA_ENCRYPTED CONSTANT NUMBER := 19;
-- dbms_datapump.KU$_DFHDR_DATA_ENCRYPTED CONSTANT NUMBER := 20;
-- For Oracle11gR2:
-- dbms_datapump.KU$_DFHDR_COLUMNS_ENCRYPTED CONSTANT NUMBER := 21;
-- dbms_datapump.KU$_DFHDR_ENCRIPTION_MODE CONSTANT NUMBER := 22;
-- For Oracle12cR1:
-- dbms_datapump.KU$_DFHDR_COMPRESSION_ALG CONSTANT NUMBER := 23;
-- For Oracle10gR2: KU$_DFHDR_MAX_ITEM_CODE CONSTANT NUMBER := 15;
-- For Oracle11gR1: KU$_DFHDR_MAX_ITEM_CODE CONSTANT NUMBER := 20;
-- For Oracle11gR2: KU$_DFHDR_MAX_ITEM_CODE CONSTANT NUMBER := 22;
-- For Oracle12cR1: KU$_DFHDR_MAX_ITEM_CODE CONSTANT NUMBER := 23;
-- Show header output info:
-- ========================
dbms_output.put_line(v_separator);
dbms_output.put_line('Purpose..: Obtain details about export ' ||
'dumpfile. Version: 18-DEC-2013');
dbms_output.put_line('Required.: RDBMS version: 10.2.0.1.0 or higher');
dbms_output.put_line('. ' ||
'Export dumpfile version: 7.3.4.0.0 or higher');
dbms_output.put_line('. ' ||
'Export Data Pump dumpfile version: 10.1.0.1.0 or higher');
dbms_output.put_line('Usage....: ' ||
'execute show_dumfile_info(''DIRECTORY'', ''DUMPFILE'');');
dbms_output.put_line('Example..: ' ||
'exec show_dumfile_info(''MY_DIR'', ''expdp_s.dmp'')');
dbms_output.put_line(v_separator);
dbms_output.put_line('Filename.: ' || p_file);
dbms_output.put_line('Directory: ' || p_dir);
-- Retrieve Export dumpfile details:
-- =================================
SELECT directory_path INTO v_path FROM all_directories
WHERE directory_name = p_dir
OR directory_name = UPPER(p_dir);
dbms_datapump.get_dumpfile_info(
filename => p_file, directory => UPPER(p_dir),
info_table => v_info_table, filetype => v_filetype);
var_values.EXTEND(23);
FOR i in 1 .. 23 LOOP
BEGIN
SELECT value INTO var_values(i) FROM TABLE(v_info_table)
WHERE item_code = i;
EXCEPTION WHEN OTHERS THEN var_values(i) := '';
END;
END LOOP;
dbms_output.put_line('Disk Path: ' || v_path);
IF v_filetype >= 1 THEN
-- Get characterset name:
BEGIN
SELECT var_values(5) || ' (' || nls_charset_name(var_values(5)) ||
')' INTO var_values(5) FROM dual;
EXCEPTION WHEN OTHERS THEN null;
END;
IF v_filetype = 2 THEN
dbms_output.put_line(
'Filetype.: ' || v_filetype || ' (Original Export dumpfile)');
dbms_output.put_line(v_separator);
SELECT DECODE(var_values(13), '0', '0 (Conventional Path)',
'1', '1 (Direct Path)', var_values(13))
INTO var_values(13) FROM dual;
dbms_output.put_line('...Characterset ID of source db..: ' || var_values(5));
dbms_output.put_line('...Direct Path Export Mode.......: ' || var_values(13));
dbms_output.put_line('...Export Version................: ' || var_values(15));
ELSIF v_filetype = 1 OR v_filetype = 3 THEN
SELECT SUBSTR(var_values(1), 1, 15) INTO v_fileversion FROM dual;
SELECT DECODE(var_values(1),
'0.1', '0.1 (Oracle10g Release 1: 10.1.0.x)',
'1.1', '1.1 (Oracle10g Release 2: 10.2.0.x)',
'2.1', '2.1 (Oracle11g Release 1: 11.1.0.x)',
'3.1', '3.1 (Oracle11g Release 2: 11.2.0.x)',
'4.1', '4.1 (Oracle12c Release 1: 12.1.0.x)',
var_values(1)) INTO var_values(1) FROM dual;
SELECT DECODE(var_values(2), '0', '0 (No)', '1', '1 (Yes)',
var_values(2)) INTO var_values(2) FROM dual;
SELECT DECODE(var_values(14), '0', '0 (No)', '1', '1 (Yes)',
var_values(14)) INTO var_values(14) FROM dual;
SELECT DECODE(var_values(18), '0', '0 (No)', '1', '1 (Yes)',
var_values(18)) INTO var_values(18) FROM dual;
SELECT DECODE(var_values(19), '0', '0 (No)', '1', '1 (Yes)',
var_values(19)) INTO var_values(19) FROM dual;
SELECT DECODE(var_values(20), '0', '0 (No)', '1', '1 (Yes)',
var_values(20)) INTO var_values(20) FROM dual;
SELECT DECODE(var_values(21), '0', '0 (No)', '1', '1 (Yes)',
var_values(21)) INTO var_values(21) FROM dual;
SELECT DECODE(var_values(22),
'1', '1 (Unknown)',
'2', '2 (None)',
'3', '3 (Password)',
'4', '4 (Password and Wallet)',
'5', '5 (Wallet)',
var_values(22)) INTO var_values(22) FROM dual;
SELECT DECODE(var_values(23),
'2', '2 (None)',
'3', '3 (Basic)',
'4', '4 (Low)',
'5', '5 (Medium)',
'6', '6 (High)',
var_values(23)) INTO var_values(23) FROM dual;
IF v_filetype = 1 THEN
dbms_output.put_line(
'Filetype.: ' || v_filetype || ' (Export Data Pump dumpfile)');
dbms_output.put_line(v_separator);
dbms_output.put_line('...Database Job Version..........: ' || var_values(15));
dbms_output.put_line('...Internal Dump File Version....: ' || var_values(1));
dbms_output.put_line('...Creation Date.................: ' || var_values(6));
dbms_output.put_line('...File Number (in dump file set): ' || var_values(4));
dbms_output.put_line('...Master Present in dump file...: ' || var_values(2));
IF dbms_datapump.KU$_DFHDR_MAX_ITEM_CODE > 15 AND v_fileversion >= '2.1' THEN
dbms_output.put_line('...Master in how many dump files.: ' || var_values(16));
dbms_output.put_line('...Master Piece Number in file...: ' || var_values(17));
END IF;
dbms_output.put_line('...Operating System of source db.: ' || var_values(9));
IF v_fileversion >= '2.1' THEN
dbms_output.put_line('...Instance Name of source db....: ' || var_values(10));
END IF;
dbms_output.put_line('...Characterset ID of source db..: ' || var_values(5));
dbms_output.put_line('...Language Name of characterset.: ' || var_values(11));
dbms_output.put_line('...Job Name......................: ' || var_values(8));
dbms_output.put_line('...GUID (unique job identifier)..: ' || var_values(3));
dbms_output.put_line('...Block size dump file (bytes)..: ' || var_values(12));
dbms_output.put_line('...Metadata Compressed...........: ' || var_values(14));
IF dbms_datapump.KU$_DFHDR_MAX_ITEM_CODE > 15 THEN
dbms_output.put_line('...Data Compressed...............: ' || var_values(18));
IF dbms_datapump.KU$_DFHDR_MAX_ITEM_CODE > 22 AND v_fileversion >= '4.1' THEN
dbms_output.put_line('...Compression Algorithm.........: ' || var_values(23));
END IF;
dbms_output.put_line('...Metadata Encrypted............: ' || var_values(19));
dbms_output.put_line('...Table Data Encrypted..........: ' || var_values(20));
dbms_output.put_line('...Column Data Encrypted.........: ' || var_values(21));
dbms_output.put_line('...Encryption Mode...............: ' || var_values(22));
END IF;
ELSE
dbms_output.put_line(
'Filetype.: ' || v_filetype || ' (External Table dumpfile)');
dbms_output.put_line(v_separator);
dbms_output.put_line('...Database Job Version..........: ' || var_values(15));
dbms_output.put_line('...Internal Dump File Version....: ' || var_values(1));
dbms_output.put_line('...Creation Date.................: ' || var_values(6));
dbms_output.put_line('...File Number (in dump file set): ' || var_values(4));
dbms_output.put_line('...Operating System of source db.: ' || var_values(9));
IF v_fileversion >= '2.1' THEN
dbms_output.put_line('...Instance Name of source db....: ' || var_values(10));
END IF;
dbms_output.put_line('...Characterset ID of source db..: ' || var_values(5));
dbms_output.put_line('...Language Name of characterset.: ' || var_values(11));
dbms_output.put_line('...GUID (unique job identifier)..: ' || var_values(3));
dbms_output.put_line('...Block size dump file (bytes)..: ' || var_values(12));
IF dbms_datapump.KU$_DFHDR_MAX_ITEM_CODE > 15 THEN
dbms_output.put_line('...Data Compressed...............: ' || var_values(18));
IF dbms_datapump.KU$_DFHDR_MAX_ITEM_CODE > 22 AND v_fileversion >= '4.1' THEN
dbms_output.put_line('...Compression Algorithm.........: ' || var_values(23));
END IF;
dbms_output.put_line('...Table Data Encrypted..........: ' || var_values(20));
dbms_output.put_line('...Encryption Mode...............: ' || var_values(22));
END IF;
END IF;
dbms_output.put_line('...Internal Flag Values..........: ' || var_values(7));
dbms_output.put_line('...Max Items Code (Info Items)...: ' ||
dbms_datapump.KU$_DFHDR_MAX_ITEM_CODE);
END IF;
ELSE
dbms_output.put_line('Filetype.: ' || v_filetype);
dbms_output.put_line(v_separator);
dbms_output.put_line('ERROR....: Not an export dumpfile.');
END IF;
dbms_output.put_line(v_separator);
EXCEPTION
WHEN no_data_found THEN
dbms_output.put_line('Disk Path: ?');
dbms_output.put_line('Filetype.: ?');
dbms_output.put_line(v_separator);
dbms_output.put_line('ERROR....: Directory Object does not exist.');
dbms_output.put_line(v_separator);
WHEN no_file_found THEN
dbms_output.put_line('Disk Path: ' || v_path);
dbms_output.put_line('Filetype.: ?');
dbms_output.put_line(v_separator);
dbms_output.put_line('ERROR....: File does not exist.');
dbms_output.put_line(v_separator);
END;
/
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