Slight oversight in the Concepts guide regarding external tables
Taking a look at the section in the Concepts guide on external tables
http://download-uk.oracle.com/docs/cd/B19306_01/server.102/b14220/schema.htm#sthref777
The line "External tables are read only; therefore, no DML operations are possible" is not strictly correct in 10.2, since you can insert into ORACLE_DATAPUMP external tables as the document goes on to discuss: "Oracle also provides the ORACLE_DATAPUMP type, which lets you unload data (that is, read data from a table in the database and insert it into an external table) and then reload it into an Oracle database." I assume the read only restriction is mentioned here because it was true in 9i and did not get corrected when Oracle introduced the ORACLE_DATAPUMP option in 10g.
Justin
Hello again. Development replies that the documentation is technically correct. We do not allow DML operations (insert, update, delete, merge) on external tables. For ORACLE_DATAPUMP, we do allow a "CREATE EXTERNAL TABLE ... AS SELECT ..." operation, but, this is DDL, not DML. This operation just populates the external table with data initially. No DML operations are allowed to modify the data, and indexes cannot be created on an external table.
If you agree that this is the case, then I'll get the documentation clarified along these lines. If you have experience (test cases) that contradict this, please let me know, and I'll follow up further.
Regards,
Diana
Similar Messages
-
How to remove carraige return from the field while loading external table
I am facing an issue of not getting rid of carraige returns present in the fileds of the source .csv file while loading the records into external table.
I had tried using LRTRIM, but it does not help.
The error I am getting is:
KUP-04021: field formatting error for field POPULATION_DESCRIPTION
KUP-04037: terminator not found
I am pasting one record out of the .csv file which is causing this error as below:
"Business Card Accounts
",123,7 BizCard - Gamers,Control,"Business Card Accounts
",75270,75271
You can see the carraige return in the 1st field as well as 5th field. Filed are separated by commas & eclosed by double quotes.
Could anybody help on this please?Can you copy the file to an external table only version, and then dos2unix it?
Alternatively, you can use the ACCESS PARAMETERS area in your external table definition to set that your RECORDS DELIMITED BY carriage returns, instead of the default.
Check out the example here http://www.psoug.org/reference/externaltab.html -
Regarding external table error
Hi,
I have created a csv file using excel as source, then I creaed a flat file module and imported the source.
Next I have created a external table for that file.
By using ssh I copied my source file (.csv file) to the server location ( By drag and drop method)
In the server it shows the file name as Income Source.csv file.
I deployed the external table.
When I am trying to opening the table it shows the message like
file not found in that location.
When I view the generated SQL of external table
in that query : the location the file name as Income_Source not Income Sourcce.csv ( I am thinking this might be the problem)
Please give me the suggestions.
Thanks,
Venkatuser642615 wrote:
Hi,
I have created a csv file using excel as source, then I creaed a flat file module and imported the source.
Next I have created a external table for that file.
By using ssh I copied my source file (.csv file) to the server location ( By drag and drop method)
In the server it shows the file name as Income Source.csv file.
I deployed the external table.
When I am trying to opening the table it shows the message like
file not found in that location.
When I view the generated SQL of external table
in that query : the location the file name as Income_Source not Income Sourcce.csv ( I am thinking this might be the problem)
Please give me the suggestions.
Thanks,
VenkatFile name should be exactly same as the filename in the directory.
Its a good practise to use filename as one string or have some char such as " _" to seperate two strings rather than have space such as INCOME SOURCE
i presume you have given permissions on the directory for owb to read the file.
Edited by: Darthvader-647181 on Mar 31, 2009 2:42 AM -
Regarding the Usage of oracle external tables.
HI All,
I am using POI API for generating Oracle external tables. If that excel sheet is having empty sheets then its throwing null pointer exception. Can anybody help me out in resolving this problem.
Thanks and Regards,
VenkyDo you use the technique described by Casimir Saternos in this OTN article?
Generate External Tables from an Excel Spreadsheet Using Apache Jakarta POI
http://www.oracle.com/technology/pub/articles/saternos_tables.html -
Report query not returning the field value from external table
hi
I have an issue regarding reports. I have a query having 4 fields from external table and remaining from db tables. the report query returns all the fields from the db tables and only 2 fields from external table. but the same query if I tried in plsql developer it returns all the fields values.
Can anyone please help me in this issue.
Thanks and Regards
kkDuplicate post?
value not displaying in report whereas it returns in plsql developer
value not displaying in report whereas it returns in plsql developer
Please log a SR if you do not get any reply to your thread instead of creating new one.
Thanks,
Hussein -
URGENT : Regarding External Table
Hi,
We have some external tables in our production environment. In unix level we have two users 1) ORACLE (Primary Group DBA, Secondary group RELEASE)
2) PROD (Primary Group RELEASE).
Now the log file directory of external table owned by PROD user and RELEASE group.
What minimum priviledges is reqire in unix level, so that ORACLE user can create log files for external tables there.
I have tried with 775, but it is trrowing the follwoing error :
ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-04063: unable to open log file log_flow.log
OS error Permission denied
ORA-06512: at "SYS.ORACLE_LOADER", line 19
ORA-06512: at line 1
Can any one suggest ASAP.
One more Issue I have facing with external tables. The follwoing select "select * from dba_directories" showing all the directories I have created (data,log,reject,error), but "select * from dba_external_locations" showing only the data file locations not showing the error,log and reject location, and when the DATABASE is bounced due to some other reason the DDL of external table get changed (error,log and reject file location was not there). Can any one suggest any work around.
Any body can call me up in any one of the following nos.
Ph(O) : (+44)1173024701
Ph(M) : (+44)7772341689
Thanks & Regards,
Koushik ChandraHi,
Have you try to create a file manually with oracle user ito this log directory ?
Have you check the good directory ?
dba_external_locations It describes the locations (data sources) of all external tables in the database.
Nicolas.
PS : you know, today is saturday, and in most of countries, saturday is the week-end - in other word not working -, since this forum is based on volunteers, you can wait some time an answer, if you have. If it's very urgent, contact your oracle support service. -
Query regarding External tables
DECLARE
FileIn UTL_FILE.FILE_TYPE;
v_sql VARCHAR2 (1000);
BEGIN
FileIn := UTL_FILE.FOPEN ('DIR_TEMP', 'test_file_out.txt', 'R');
IF UTL_FILE.IS_OPEN(FileIn) THEN
LOOP
BEGIN
UTL_FILE.GET_LINE (FileIn, v_sql);
dbms_output.put_line(v_sql);
EXCEPTION
WHEN NO_DATA_FOUND THEN
EXIT;
END;
END LOOP;
END IF;
UTL_FILE.FCLOSE (FileIn);
END;
above mentioned is the procedure to read from a flat file.
I would like to know the procedure to load flat file data into table using external tables:
i have tried using this code but it displays errors:
CREATE TABLE EXT_EMP
( EMPNO NUMBER(4), ENAME VARCHAR2(10), JOB VARCHAR2(9),
MGR NUMBER(4), HIREDATE DATE, SAL NUMBER(7,2), COMM NUMBER(7,2), DEPTNO NUMBER(2))
ORGANIZATION EXTERNAL (
TYPE ORACLE_LOADER
DEFAULT DIRECTORY DIR_TEMP
ACCESS PARAMETERS(
RECORDS DELIMETED BY newline
FIELDS TERMINATED BY ','
MISSING FIELD VALUES ARE NULL(COMM NUMBER(7,2))
LOCATION ('test_file_out.txt')
PARALLEL
REJECT LIMIT UNLIMITED;
db: Oracle 11g , OS: windows vistathe query works fine as table is created.
but:
select * from ext_emp;
o/p: no rows.
ext.bad :
7369,SMITH,CLERK,7902,17-DEC-80,800,,20
7499,ALLEN,SALESMAN,7698,20-FEB-81,1600,300,30
7521,WARD,SALESMAN,7698,22-FEB-81,1250,500,30
7566,JONES,MANAGER,7839,02-APR-81,2975,,20
7654,MARTIN,SALESMAN,7698,28-SEP-81,1250,1400,30
7698,BLAKE,MANAGER,7839,01-MAY-81,2850,,30
7782,CLARK,MANAGER,7839,09-JUN-81,2450,,10
7788,SCOTT,ANALYST,7566,19-APR-87,3000,,20
7839,KING,PRESIDENT,,17-NOV-81,5000,,10
7844,TURNER,SALESMAN,7698,08-SEP-81,1500,0,30
7876,ADAMS,CLERK,7788,23-MAY-87,1100,,20
7900,JAMES,CLERK,7698,03-DEC-81,950,,30
7902,FORD,ANALYST,7566,03-DEC-81,3000,,20
7934,MILLER,CLERK,7782,23-JAN-82,1300,,10
ext.log:
LOG file opened at 04/01/09 02:13:13
Field Definitions for table EXT_EMP
Record format DELIMITED BY NEWLINE
Data in file has same endianness as the platform
Rows with all null fields are accepted
Fields in Data Source:
EMPNO Integer (4)
Record position (+0, +4)
Terminated by ","
Trim whitespace same as SQL Loader
ENAME CHAR (255)
Terminated by ","
Trim whitespace same as SQL Loader
JOB CHAR (255)
Terminated by ","
Trim whitespace same as SQL Loader
MGR Integer (4)
Record position (+0, +4)
Terminated by ","
Trim whitespace same as SQL Loader
HIREDATE CHAR (9)
Date datatype DATE, date mask DD-MON-YY
Terminated by ","
Trim whitespace same as SQL Loader
SAL Integer (4)
Record position (+0, +4)
Terminated by ","
Trim whitespace same as SQL Loader
COMM Integer (4)
Record position (+0, +4)
Terminated by ","
Trim whitespace same as SQL Loader
DEPTNO Integer (4)
Record position (+0, +4)
Terminated by ","
Trim whitespace same as SQL Loader
error processing column HIREDATE in row 1 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 2 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 3 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 4 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 5 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 6 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 7 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 8 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 9 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 10 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 11 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 12 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 13 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
error processing column HIREDATE in row 14 for datafile c:\temp\test_file_out.txt
ORA-01858: a non-numeric character was found where a numeric was expected
" I tried changing hiredate "dd-mm-yy" to hiredate "dd-mon-yy" but there is no difference. -
How read the flat data by external table definition. Please help me. Thanks
----Following is my code--
create or replace procedure AGE_UPLOAD_SER_RCD1 is
check_drop PLS_INTEGER;
begin
SELECT COUNT(*) INTO check_drop FROM USER_TABLES WHERE TABLE_NAME='EXT_SERVICES_RECEIVED_UPLOAD';
IF (check_drop <> 0) THEN
EXECUTE IMMEDIATE 'DROP Table EXT_SERVICES_RECEIVED_UPLOAD';
END IF;
EXECUTE IMMEDIATE 'CREATE Table EXT_SERVICES_RECEIVED_UPLOAD
ALIEN_NUMBER number(9),
SOCIAL_SECURITY_NUMBER number(9),
INTAKE_DATE date,
CLOSURE_DATE date,
CLOSURE_REASON varchar(200)
ORGANIZATION external
TYPE oracle_loader
DEFAULT DIRECTORY UPLOAD_STAGE_AREA_AE
ACCESS parameters
RECORDS DELIMITED BY ''|''
BADFILE ''ext_services_received.bad''
DISCARDFILE ''ext_services_received.dis''
LOGFILE ''ext_services_received.log''
SKIP 1
FIELDS TERMINATED BY '','' OPTIONALLY ENCLOSED BY ''"''
LOCATION (''AGE_SERVICES_RECEIVED2.TXT'')
REJECT LIMIT unlimited';
end AGE_UPLOAD_SER_RCD1;
--Problem is Unable to read the data-----
---Following is the error log ----
LOG file opened at 07/19/06 15:57:23
Field Definitions for table EXT_SERVICES_RECEIVED_UPLOAD
Record format DELIMITED, delimited by |
Data in file has same endianness as the platform
Rows with all null fields are accepted
Fields in Data Source:
ALIEN_NUMBER CHAR (255)
Terminated by ","
Enclosed by """ and """
Trim whitespace same as SQL Loader
SOCIAL_SECURITY_NUMBER CHAR (255)
Terminated by ","
Enclosed by """ and """
Trim whitespace same as SQL Loader
INTAKE_DATE CHAR (255)
Terminated by ","
Enclosed by """ and """
Trim whitespace same as SQL Loader
CLOSURE_DATE CHAR (255)
Terminated by ","
Enclosed by """ and """
Trim whitespace same as SQL Loader
CLOSURE_REASON CHAR (255)
Terminated by ","
Enclosed by """ and """
Trim whitespace same as SQL Loader
KUP-04021: field formatting error for field SOCIAL_SECURITY_NUMBER
KUP-04023: field start is after end of record
KUP-04101: record 7 rejected in file /data/External_Files/Data_Uploads/DB_Area/Adult_Ed/AGE_SERVICES_RECEIVED2.TXT
error processing column INTAKE_DATE in row 2 for datafile /data/External_Files/Data_Uploads/DB_Area/Adult_Ed/AGE_SERVICES_RECEIVED2.TXT
ORA-01843: not a valid month
error processing column INTAKE_DATE in row 3 for datafile /data/External_Files/Data_Uploads/DB_Area/Adult_Ed/AGE_SERVICES_RECEIVED2.TXT
ORA-01843: not a valid month
error processing column INTAKE_DATE in row 4 for datafile /data/External_Files/Data_Uploads/DB_Area/Adult_Ed/AGE_SERVICES_RECEIVED2.TXT
ORA-01843: not a valid month
error processing column INTAKE_DATE in row 5 for datafile /data/External_Files/Data_Uploads/DB_Area/Adult_Ed/AGE_SERVICES_RECEIVED2.TXT
ORA-01843: not a valid month
error processing column INTAKE_DATE in row 6 for datafile /data/External_Files/Data_Uploads/DB_Area/Adult_Ed/AGE_SERVICES_RECEIVED2.TXT
ORA-01843: not a valid monthWhat does the data look like for INTAKE_DATE field in the data file?
-
EXTERNAL TABLE PARALLEL (DEGREE DEFAULT)
Ask you if in external table the clause SKIP 1 used with PARALLEL (DEGREE 4)
skip the first record for each session in parallel . Where i could set the the parallel parameter ?
ThanksDefault value have a sense during insertion. Since you cannot insert into an external table (with some Slight oversight in the Concepts guide regarding external tables with datapump table), what will the target to have such feature ?
Nicolas. -
The concept of session in Oracle DB
Could someone please direct me to any papers/books/documentation that treat the concept of session extensively? I would hope to find there an answer to my previous question (see posting with subject USERENV Namespace: background vs. foreground jobs) as well.
Thanks a lot,
MarekTry the concepts guide as a starting point as there a quite a lot of entries if you search on 'session' on the on-line documentation in OTN. http://otn.oracle.com/documentation/oracle9i.html
Also try looking on asktom.oracle.com with a search for session or session managment as there have been quite a few discussions about it there.
HTH
Dave -
Hi, i am getting an error while using the External Table.
Hi,
I am getting the below error. External table has been created successfully and when I read the data from the external table i get the below error. Can anyone give solution of this error.
ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-04063: unable to open log file EXT_ZPP0A871_6738.log
OS error Permission denied
ORA-06512: at "SYS.ORACLE_LOADER", line 19
Thanks,
HimanshuKUP-04063: unable to open log file EXT_ZPP0A871_6738.log
OS error Permission deniedThe error seems quite clear... what's you OS and Oracle version ? -
What is the concept of setup tables in LO extraction?
Hi,
what is the concept of set up tables in LO EXTRACTION?
GIVE ME COMPLETE DETAILS and how to run deltas? I want step by step procedure.
Thanks in advance.
ravi.Ravi,
I think the blog series by Robert Negro about LO is the best available information.
SDN thread:
/community [original link is broken]
It would be nice if there is any help.sap documentation available.
Raj. -
Report question: how to use external table to bring data from excel file?
i need to import excel data into oracle report, how to do that? thanks.
Hi... What is the error message you get when using external tables?
You must create a control center connection in the Connection Explorer.
I recommend you read this:
http://download-east.oracle.com/docs/cd/B31080_01/doc/owb.102/b28223/toc.htm
Look for the following sections:
- Using External Tables (and the "External Tables versus Flat File Operators" sub section)
- About Flat File Modules
- Chapter 16, Deploying Target Systems
Regards,
Marcos -
Hi Guys,
Need your help regarding external tables, I'm using Oracle 10g. I have tried using external tables and almost all of them works except for one. It has a null data on the last field.
Kindly check what am I missing.
CREATE TABLE X_MHC_FCSDOC2PROV_02
DOCTOR_ID VARCHAR2(100 BYTE),
PROVIDER_ID VARCHAR2(100 BYTE),
JOIN_DATE VARCHAR2(100 BYTE),
EXIT_DATE VARCHAR2(100 BYTE),
ROOM_NUMBER VARCHAR2(100 BYTE),
AGREEMENT_NUMBER VARCHAR2(100 BYTE),
CP1_NAME VARCHAR2(100 BYTE),
CP1_BUSINESS_TEL VARCHAR2(100 BYTE),
CLINIC_HOUR_MON VARCHAR2(100 BYTE),
CLINIC_HOUR_TUE VARCHAR2(100 BYTE),
CLINIC_HOUR_WED VARCHAR2(100 BYTE),
CLINIC_HOUR_THU VARCHAR2(100 BYTE),
CLINIC_HOUR_FRI VARCHAR2(100 BYTE),
CLINIC_HOUR_SAT VARCHAR2(100 BYTE),
CLINIC_HOUR_SUN VARCHAR2(100 BYTE)
ORGANIZATION EXTERNAL
( TYPE ORACLE_LOADER
DEFAULT DIRECTORY MEDILINK_DATA
ACCESS PARAMETERS
records delimited by "\n"
fields missing field values are null
badfile medilink_data_log:'X_MHC_FCSDOC2PROV_02.bad'
LOGFILE medilink_data_log:'X_MHC_FCSDOC2PROV_02.log'
discardfile medilink_data_log:'X_MHC_FCSDOC2PROV_02.dsc'
fields terminated BY '|'
reject ROWS WITH ALL NULL fields
LOCATION (MEDILINK_DATA:'medlnk-docToProv.txt')
REJECT LIMIT UNLIMITED
select * from x_mhc_fcsdoc2prov_02
ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-00554: error encountered while parsing access parameters
KUP-01005: syntax error: found "badfile": expecting one of: "column, exit, (, reject"
KUP-01007: at line 3 column 1
ORA-06512: at "SYS.ORACLE_LOADER", line 19
Here is sample of the data.
medlnk-docToProv.txt
DR026556|HO008051|11/29/2006 0:0:0|12/31/9999 0:0:0||10095|ANICETA R FUENTENEGRA |2552821|||||||
DR026556|HO001322|11/29/2006 0:0:0|12/31/9999 0:0:0||10095|ANECITA FUENTENEGRA |2341520|1400 - 1730|1400 - 1730|1400 - 1730||1400 - 1730||
* The last field is null
Your help is very much appreciated. I've been researching for days now on how to resolve this issue but still I can't figure it out.
Thanks.
Best Regards,
Earl Del RosarioThere was syntax problem.
Try this
CREATE TABLE X_MHC_FCSDOC2PROV_02
DOCTOR_ID VARCHAR2(100 BYTE),
PROVIDER_ID VARCHAR2(100 BYTE),
JOIN_DATE VARCHAR2(100 BYTE),
EXIT_DATE VARCHAR2(100 BYTE),
ROOM_NUMBER VARCHAR2(100 BYTE),
AGREEMENT_NUMBER VARCHAR2(100 BYTE),
CP1_NAME VARCHAR2(100 BYTE),
CP1_BUSINESS_TEL VARCHAR2(100 BYTE),
CLINIC_HOUR_MON VARCHAR2(100 BYTE),
CLINIC_HOUR_TUE VARCHAR2(100 BYTE),
CLINIC_HOUR_WED VARCHAR2(100 BYTE),
CLINIC_HOUR_THU VARCHAR2(100 BYTE),
CLINIC_HOUR_FRI VARCHAR2(100 BYTE),
CLINIC_HOUR_SAT VARCHAR2(100 BYTE),
CLINIC_HOUR_SUN VARCHAR2(100 BYTE)
ORGANIZATION EXTERNAL
( TYPE ORACLE_LOADER
DEFAULT DIRECTORY EXT_DIR
ACCESS PARAMETERS
RECORDS DELIMITED BY NEWLINE
badfile EXT_DIR:'X_MHC_FCSDOC2PROV_02.bad'
LOGFILE EXT_DIR:'X_MHC_FCSDOC2PROV_02.log'
discardfile EXT_DIR:'X_MHC_FCSDOC2PROV_02.dsc'
FIELDS TERMINATED BY '|'
MISSING FIELD VALUES ARE NULL
reject ROWS WITH ALL NULL fields )
LOCATION (EXT_DIR:'medlnk-docToProv.txt')
REJECT LIMIT UNLIMITED
Details of directory object EXT_DIR is as belows
SQL> SElect * from all_directories where directory_name = 'EXT_DIR';
OWNER DIRECTORY_NAME
DIRECTORY_PATH
SYS EXT_DIR
c:\ -
Error Querying Contents of External Table
I get the error below from JDeveloper when I try to query the contents of an external table that I created in OWB. The Validate, Generate & Deploy actions were successful on the External Table. The location ALAN_TARGET_LOC_FILES_LOC resolves to where the flat files that the external tables refer to reside on Linux Server. This seemed to work fine last week Any ideas what may have broke?
ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-04040: file wire.mock in ALAN_TARGET_LOC_FILES_LOC not found
ORA-06512: at "SYS.ORACLE_LOADER", line 19
ORA-06512: at line 1
Alan Lichtenstein Programming SunGard Professional Services 595 E. Swedesford Road, Suite 3000, Wayne, PA 19087
Tel 610-975-3168 Fax 610-975-3062 www.sungard.com/bondmaster
CONFIDENTIALITY: This email (including any attachments) may contain confidential, proprietary and privileged information, and unauthorized disclosure or use is prohibited. If you received this email in error, please notify the sender and delete this email from your system. Thank you.Is there any way to find out the physical path
that 'owbdir' resolves to?
owner directory_name directory_path
SYS ALAN_TARGET_LOC_FILES_LOC owbdirSeems to me that the directory path is wrong. Under directory path you should see the real physical path you specified when you created the directory. Here's what select * from all_directories shows on my system (excerpt):
OWNER DIRECTORY_NAME DIRECTORY_PATH
SYS LOC_COCKPIT_OWB_LOC_FLAT_FILES E:\DATEN\01_ENTWICKLUNG\07_BEWIRTSCHAFTUNG\FF_DATEN\
As you can see directory path contains the physical path where my flat files reside.
Regards,
Jörg
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