Re: inserting BLOB data

"Kenny Scott" <[email protected]> Tue, 11 Dec 2007 21:41:41 +0000
Newsgroups gmane.comp.db.mysql.perl
Message-ID <[email protected]>
Actually, there are more differences these days between blob and text
columns.  But nothing major:

http://dev.mysql.com/doc/refman/5.0/en/blob.html

-- 
Kenny


On Dec 11, 2007 9:39 PM, Kenny Scott <[email protected]> wrote:
> Hi,
>
> Well, the only difference between the text and blob column types,
> afaik, is that a blob is a case sensitive text column.  Is the issue
> that you have simply how to get the data in the table, rather than how
> you would do it using Perl?  Or am I completely missing the point?
>
> --
> Kenny
>
>
>
> On Dec 11, 2007 9:30 PM, Kiran Annaiah <[email protected]> wrote:
> >
> >
> > No i havent yet tried using the perl script to insert the data. I was
> > looking around and seems like it is done mostly using a script.
> >
> > No the file is not binary. It is just a one row of numbers(about half
> > million columns)
> > 0 12333 1 1 0 1 2 2 1 1 ....so on
> >
> > should i use a different data type instead of BLOB?
> >
> >
> >
> > ________________________________
> > > Date: Tue, 11 Dec 2007 21:18:37 +0000
> > > From: [email protected]
> > > To: [email protected]
> > > Subject: Re: inserting BLOB data
> >
> >
> > >
> > > Hi,
> > >
> > > What are the file contents? Is it binary data, which is why you're
> > > wanting to use the BLOB column type?
> > >
> > > What have you tried so far, and has it not worked?
> > >
> > > I'm guessing that you've tried the following type of thing:
> > >
> > > my $dbh = DBI->connect( "dbi:mysql:test", "root" ) or die $DBI::errstr;
> > > my $sth = $dbh->prepare( "INSERT INTO t SET file_name=?, file_size=?,
> > file=?" );
> > > $sth->execute( $file_name, $file_size, $file );
> > > $sth->finish();
> > >
> > > Did you try that and it didn't work for some reason?
> > >
> > > --
> > > Kenny
> > >
> > >
> > > On Dec 11, 2007 8:44 PM, Kiran Annaiah <[email protected]> wrote:
> > > > I am trying to store my file contents in a table. I have never worked
> > with BLOB data types before.
> > > > I realised that inserting the file contents into the BLOB column is not
> > the same as inserting into a regular column.
> > > >
> > > > The file size is about 2.2M. I have set the system variable
> > max_allowed_packet to 3M.
> > > >
> > > > Can anyone please give me some ideas about how the file contents can be
> > inserted?
> > > >
> > > > Table structure is as follows.
> > > >
> > > >
> > +-----------+-----------------------+------+-----+---------+----------------+
> > > > | Field | Type | Null | Key | Default | Extra |
> > > >
> > +-----------+-----------------------+------+-----+---------+----------------+
> > > > | file_id | smallint(5) unsigned | NO | PRI | NULL | auto_increment |
> > > > | file_name | varchar(25) | NO | | | |
> > > > | file_size | mediumint(8) unsigned | NO | | | |
> > > > | file | mediumblob | NO | | | |
> > > >
> > +-----------+-----------------------+------+-----+---------+----------------+
> > > >
> > > >
> > > > _________________________________________________________________
> > > > i'm is proud to present Cause Effect, a series about real people making
> > a difference.
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> >
> > ________________________________
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> > difference. Learn more
>

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