Feature Requests item #1146064, was opened at 2005-02-22 10:07
Message generated for change (Settings changed) made by mr-meltdown
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Category: MonetDB - general
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Sjoerd Mullender (sjoerd)
Assigned to: Sjoerd Mullender (sjoerd)
>Summary: stream: http read support in streams

Initial Comment:
It might be nice to have the ability to open and read
remote files through the HTTP protocol.  We should take
a look at curl to see if that can be integrated into
stream.mx.

The reason for wanting to do this is so that we can
make demos easily usable without having to distribute
them with the binaries.

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Comment By: Fabian (mr-meltdown)
Date: 2005-02-22 10:59

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I don't see why for internal operations the stream library
would be used.

For demos, the customer just wants to execute a remote file:
a zip, a tar, a tar/gzip, a gzip, a plain text file.  You
can do that by defining (non standard) handles within the
language you are demoing in, or just by keeping it simple
and letting the client fetch and feed to the Mserver.

For a demo, everything is already there, in fact it's just a
matter of "MapiClient | curl" or wget, or links, or lynx, etc.

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Comment By: Martin Kersten (mlkersten)
Date: 2005-02-22 10:48

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Yes. This functionality is needed at several  levels.
1) mm objects should be represented in the DBMS with a
handle and could be represented by urls to their origin. A
function getContent(() could then read the information into
a string/BAT/.... for further processing in the context of
the session.
(Additional functions could forward it to a browser)

2) the functionality of MonetDB would greatly improve if it
would be
possible to access read-only bats using a URL. Actually, the
access could also trigger a coercion to internal format. For
example, accessing a remote jpg file using the http protocol
delivers a BAT with the color representations (combined with
getWidth() and getHeight() on this file type you have an
image at your disposal.

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Comment By: Fabian (mr-meltdown)
Date: 2005-02-22 10:38

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shouldn't this functionality be just in the client, instead
of the server?

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