The maximum length of single byte or double byte (SQL) character variables
is 32K (i.e. 32767 Characters for single byte and 16383 for Double Byte
Characters that are not NULL capable).
For longer strings either a CLOB or DBCLOB variable (up to 16 MB) can be
defined.
For even larger strings a CLOB or DBCLOB Locator must be used.
The REGEXP Functions convert the source and search strings implicitly into
DBCLOBs.
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Birgitta Hauser
"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them
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-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of David
Gibbs
Sent: Mittwoch, 31. Mai 2017 20:35
To: rpg400-l@xxxxxxxxxxxx
Subject: regexp_replace with very large variables
Folks:
I'm trying to write a procedure that uses the regexp_replace SQL function
with very large variables.
The variables are 256000 characters long.
exec sql set :newvar = regexp_replace(:oldvar, regex, replacement, 1, 'i');
If I just define the variables as char (256000), the compile fails with a
SQL0312.
Is the right approach to define the variables as SQLTYPE(CLOB:256000) and do
a ...
oldvar_DATA = somevalue;
oldvar_LEN = %len(%trim(somevalue));
... before invoking the SQL function?
Thanks!
david
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