RE: LongReadLen issue



Which manual did you FR this from?

-----------------------------------------------
Just Your Friendly Neighborhood
_SPIDEY_


> -----Original Message-----
> From: Jared Still [mailto:jkstill@xxxxxxxxxx]
> Sent: Thursday, May 26, 2005 10:48 AM
> To: Tantalo, Christopher G
> Cc: Chuck Fox; DBI List
> Subject: RE: LongReadLen issue
>
> A little RTFM is in order.
>
> Try max(dbms_lob.getlength(mc.mc_long_description))
>
> Jared
>
> On Thu, 2005-05-26 at 07:27, Tantalo, Christopher G wrote:
> > I am not totally sure that is the issue. Using sqlplus and TOAD to
> > just do the simple select
> >
> > SELECT MAX(mc.MC_LONG_DESCRIPTION)
> >
> > FROM dmg.MAINT_CODES mc
> >
> > comes back with inconsistent datatypes.
> >
> > BTW, the I pulled the dbh statement from perldoc DBI under the
> > LongReadLen section.
> >
> >
> > -----------------------------------------------
> > Just Your Friendly Neighborhood
> > _SPIDEY_
> >
> >
> >
> > ________________________________
> >
> > From: Chuck Fox [mailto:ChuckFox2@xxxxxxx]
> > Sent: Thursday, May 26, 2005 10:12 AM
> > To: Tantalo, Christopher G; dbi-users@xxxxxxxx
> > Subject: Re: LongReadLen issue
> >
> >
> > Chris,
> >
> > The methods you are using are attempting to store an
> array into an
> > int.
> >
> > You need to get the value out of the first element of
> the array and
> > back into an int.
> >
> > Something like $dbh->{LongReadLen} = @{
> $dbh->selectrow_array( .....
> > ) }[0];
> >
> > Untested code, YMMV.
> >
> > Tantalo, Christopher G wrote on 5/26/2005, 9:58 AM:
> >
> >
> >
> > I am trying to set the LongReadLen value of
> $dbh dynamically to
> > select a CLOB, using:
> > $dbh->{LongReadLen} = $dbh->selectrow_array(qq{
> > SELECT MAX(mc.mc_long_description)
> > FROM dmg.maint_codes mc
> > });
> >
> > but get this error
> > DBD::Oracle::db selectrow_array failed: ORA-00932:
> > inconsistent datatypes (DBD ERROR: OCIStmtExecute/Describe) at
> > eleadtest.pl line 27.
> >
> > Then, I noticed a different version of the above:
> > $dbh->{LongReadLen} = $dbh->selectrow_array(qq{
> > SELECT MAX(OCTET_LENGTH(mc.mc_long_description))
> > FROM dmg.maint_codes mc
> > });
> > but get this error
> > DBD::Oracle::db selectrow_array failed: ORA-00904:
> > invalid column name (DBD ERROR: OCIStmtExecute/Describe) at
> > eleadtest.pl line 27.
> >
> > (Yes the spellings are correct)
> >
> >
> > If I set $dbh->{LongReadLen} = 70000;
> > that works fine, but I would like this to be
> dynamic so the memory
> > is not too small, or too big.
> >
> > Thanks in advance,
> > Chris
> >
> > -----------------------------------------------
> > Just Your Friendly Neighborhood
> > _SPIDEY_
> >
> >
> > --
> > Your Friendly Neighborhood DBA,
> >
> > Chuck
> >
> >
> >
> >
> > -----------------------------------------
> > The information contained in this message may be privileged,
> > confidential, and protected from disclosure. If the reader of this
> > message is not the intended recipient, or any employee or agent
> > responsible for delivering this message to the intended
> recipient, you
> > are hereby notified that any dissemination, distribution,
> or copying
> > of this communication is strictly prohibited. If you have received
> > this communication in error, please notify us immediately
> by replying
> > to the message and deleting it from your computer.
> >
> > Thank you. Paychex, Inc.
>
>
.