Re: Storing small image files - Mailing list pgsql-general

From Achilleas Mantzios
Subject Re: Storing small image files
Date
Msg-id 3013951.boN74A8FSJ@smadev.internal.net
Whole thread Raw
In response to Storing small image files  (Nelson Green <nelsongreen84@gmail.com>)
Responses Re: Storing small image files  (Nelson Green <nelsongreen84@gmail.com>)
List pgsql-general

why not bytea?

much more control, much more information, IMHO.

In our DB evolving from an initial 7.1 back in 2001, and currently on 9.0,

we have been storing everything binary in bytea's.

 

There are downsides in both solutions, you just have to have good reasons

to not use bytea.

 

On Πεμ 09 Μαΐ 2013 10:04:18 Nelson Green wrote:

Good morning list,

I am designing a system that will have a table for security badges, and we want to store the ID badge photo. These are small files, averaging about 500K in size. We have made the decision to store the image as a BLOB in the table itself for a variety of reasons. However, I am having trouble understanding just how to do that.

The table structures:

CREATE TABLE employee
(
   employee_id                    INTEGER             NOT NULL,
   employee_lastname              VARCHAR(35)         NOT NULL,
   employee_firstname             VARCHAR(35)         NOT NULL,
   employee_mi                    CHAR(1),
   PRIMARY KEY (employee_id)
);

CREATE TABLE security_badge
(
   badge_number                   CHAR(10)            NOT NULL,
   employee_id                    INTEGER             NOT NULL
      REFERENCES employee(employee_id),
   badge_photo                    ????,
   PRIMARY KEY (badge_number)
);


What datatype should I use for the badge_photo (bytea?), and what are the commands to insert the picture accessing the server remotely through psql, and to retrieve the photos as well, please?

Thanks,
Nelson



-

Achilleas Mantzios

IT DEV

IT DEPT

Dynacom Tankers Mgmt

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