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Specifying DBI ODBC parameters

Posted on 2006-04-19
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Last Modified: 2011-09-20
I have a local DSN setup to access a remote server running a Postgres Database.
Using and ODBC DSN I am getting the following error message from the DBD::ODBC

"DBD::ODBC::st fetchrow_hashref failed:  Fetched item was truncated.  (SQL-01004)
st_fetch/SQLFetch (long truncated DBI attribute LongTruncOK not set and/or LongReadLen too small) err=-1) "

Anyone know how to correct this problem?

-g
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Question by:gmanpert
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Author Comment

by:gmanpert
ID: 16493059
Ah, ok, found it.

PERL DBI manual states:

"Many databases support BLOB datatypes holding 2,000,000,000 bytes.  To avoid the memory problems LongReadLen defaults to 0 or 80."

In short, using:

$dbh = DBI->connect ("DBI:ODBC(LongReadLen=1024):$DSN", $USER, $PWD)
   or die ("Error connecting to database: $DBI::errstr");

Solved the problem.

-g
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Accepted Solution

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tone28 earned 2000 total points
ID: 16494495
Yup, that is it. I ran into that too.

:)
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