Re: CLOB field question

On Thu, Aug 16, 2001 at 02:15:55AM -0800, Guy Hammond wrote:
> I have another CLOB question, what is the best way to do a
> search-and-replace?
>
> Something like a c/oldvalue/newvvalue/ on the SQL*Plus command line, or
> $variable =~ s/oldvalue/newvalue/; in Perl.
>
> The only thing I can think of right now would be using INSTR to locate
> the value I want, SUBSTR to extract the parts of the document either
> side of it, then APPEND to create a new CLOB with first part, new value,
> last part... but this seems a bit inelegant.

My Oracle::OCI perl modules is close to being able to let you stream a LOB into client memory and stream it back to the server, possibly applying perl regular expressions along the way.

Tim.

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Author: Tim Bunce
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