Re: Storing small image files
От | Eduardo Morras |
---|---|
Тема | Re: Storing small image files |
Дата | |
Msg-id | 20130510095917.76af5ea4cb8fb9c6021c61ff@yahoo.es обсуждение исходный текст |
Ответ на | Re: Storing small image files (Nelson Green <nelsongreen84@gmail.com>) |
Ответы |
Re: Storing small image files
Re: Storing small image files |
Список | pgsql-general |
Hi Nelson. I worked with images and Postgresql, and want to add some comments: On Thu, 9 May 2013 13:40:15 -0500 Nelson Green <nelsongreen84@gmail.com> wrote: > OK, this is kind of convoluted, but I got a couple of test cases that work > for me. The steps to make the first one are below. > > First I took one of the photos and shrunk it real small using GIMP. If you want to manipulate images automatically, don't use GIMP, use ImageMagick(for shell scripts) or OpenCV(for C sourcecode) > Then I > manually converted that to a base64 encoded text file: > /usr/bin/base64 < test.jpg > test.64 If you must to use the pg shell, perhaps coding Misa's function in other language (python f.ex.) allows you directly insertthe bytea. A use hint: disable toast compression for that table, images are already compressed, you don't need to waste time with it. > That outputs a base64 string that matches test.64. Outputting that to a > file and then converting it back gives me my image: > /usr/bin/base64 -d < output.64 > newtest.jpg > > Like I said, kind of crazy, but it satisfies me that my basic premise is > doable. I'll still get one of the front-end developers to whip out some PHP > just to be safe. > > Thanks to all! --- --- Eduardo Morras <emorrasg@yahoo.es>
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