[UNCLASSIFIED] - RE: Determining which rows have characters outside of the standard ASCII (0-127)

Hi Mark,

Would regexp_instr(doc_authors,'[[:alnum:][:blank:][:cntrl:][:punct:]]')
help as I believe this covers ascii(0-127)

Cheers,

Ian



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  |       To:       WLJohnson@xxxxxxxxxxxxxxxxxxx, Dave.Herring@xxxxxxxxxx, 
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  |       Subject:  RE: Determining which rows have characters outside of the 
standard ASCII (0-127)                                                 |
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Nope.

-----Original Message-----
From: Johnson, William L (TEIS) [mailto:WLJohnson@xxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, November 09, 2010 9:12 AM
To: Herring Dave - dherri; Bobak, Mark; oracle-l@xxxxxxxxxxxxx
Subject: RE: Determining which rows have characters outside of the standard
ASCII (0-127)

Is this a partitioned table?
Bug 9488049: CSSCAN DOES NOT SCAN PARTITIONED IOT TABLE.

-----Original Message-----
From: Herring Dave - dherri [mailto:Dave.Herring@xxxxxxxxxx]
Sent: Tuesday, November 09, 2010 9:10 AM
To: Mark.Bobak@xxxxxxxxxxxx; Johnson, William L (TEIS);
oracle-l@xxxxxxxxxxxxx
Subject: RE: Determining which rows have characters outside of the standard
ASCII (0-127)

Mark,

Could something like the following work for you?

select doc_id, doc_authors
  from documents
 where doc_authors != convert(doc_authors, 'us7ascii');

Dave Herring  | DBA
Acxiom Global Technology Solutions

630-944-4762 office | 630-430-5988 cell | 630-944-4989 fax
1501 Opus Pl | Downers Grove, IL, 60515 | U.S.A. | www.acxiom.com
Service Desk: 888-243-4566, https://servicedesk.acxiom.com, GSCA@xxxxxxx


From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
On Behalf Of Bobak, Mark
Sent: Tuesday, November 09, 2010 7:44 AM
To: Johnson, William L (TEIS); oracle-l@xxxxxxxxxxxxx
Subject: RE: Determining which rows have characters outside of the standard
ASCII (0-127)

Hi Bill,

I tried your suggestion, but, it doesn't seem to work as expected:

pqrac101:[pqprd1]:(/home/oracle):$csscan


Character Set Scanner v2.1 : Release 10.2.0.3.0 - Production on Tue Nov 9
08:16:45 2010

Copyright (c) 1982, 2005, Oracle.  All rights reserved.


Username: adds@prd1

Password:

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bit
Production
With the Partitioning, Real Application Clusters and Data Mining options

(1)Full database, (2)User, (3)Table, (4)Column: 1 > 4

Current database character set is WE8ISO8859P1.

Enter new database character set name: > US7ASCII

Enter array fetch buffer size: 1024000 >

Enter number of scan processes to utilize(1..32): 1 >

Enter column name to scan: > DOCUMENTS.DOC_AUTHORS

Enter column name to scan: >

Enumerating tables to scan...

table(s) contain no character type columns

Scanner terminated successfully.

Not sure what "contain no character type columns" actually means.....

-Mark


From: Johnson, William L (TEIS) [mailto:WLJohnson@xxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, November 09, 2010 8:04 AM
To: Bobak, Mark; oracle-l@xxxxxxxxxxxxx
Subject: RE: Determining which rows have characters outside of the standard
ASCII (0-127)

Could you try using Oracle's csscan utility and pick a US7ASCII database as
the target for the migration?  This should identify any rows with data
outside the normal US7ASCII character set...

Bill

________________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
On Behalf Of Bobak, Mark
Sent: Tuesday, November 09, 2010 7:56 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: Determining which rows have characters outside of the standard
ASCII (0-127)

Hi all,

I'm trying to (efficiently) determine which rows have column values with
characters outside of the range of 0-127.

My first attempt was something like this:

select doc_id,doc_authors from documents where
regexp_instr(doc_authors,'[0x80-0xFF]') > 0;

But, that seems to select every row in the documents table, not just the
ones containing characters with values in the range 128-255.

Looking at one of the rows returned from the query above, with
dump(doc_authors) confirms that rows being returned don't have characters
in the range 128-255.

This is a Unicode database, so, I also tried:

select doc_id,doc_authors from documents where
regexp_instr(doc_authors,'[0c0080-0cFFFF]') > 0;

but, again, this seems to return every row.

So, can someone offer me a clue here?

Honestly, this is the first time I've tried using any of Oracle's REGEXP
functions.

I'm sure I'm just doing something stupid, but I don't have a clue what it
is, and the examples I've run across in the manuals and on the web, don't
have anything similar to what I'm trying to do.


AdvThanksance,

-Mark


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