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Stream like access to blobs [DNET46] #55

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firebird-automations opened this issue Apr 15, 2006 · 8 comments
Closed

Stream like access to blobs [DNET46] #55

firebird-automations opened this issue Apr 15, 2006 · 8 comments
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priority: major resolution: not a bug/wontfix type: new feature

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@firebird-automations
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Submitted by: carlokok (carlokok)

Assigned to: @carlosga

SFID: 1470874#⁠
Submitted By: carlokok

Blobs in FB seem to support stream like access in the
Firebird C api, but the .net provider doesn't support
this. My feature request is to support stream like
access to blobs so it's not needed to load the whole
blob in memory to read out part of it.
@firebird-automations
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Commented by: Alice F. Bird (firebirds)

Date: 2006-04-15 19:17
Sender: carlokok
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user_id=48872

Thanks for the answer.
I can't see anything resembling access to a blob other than
retrieving it in full as a byte[], or via GetBytes which
internally loads it in full. There's an internal class
called BlobBase that might do what's needed however it's not
accessible from the outside.

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Commented by: Alice F. Bird (firebirds)

Date: 2006-04-15 18:26
Sender: rrokytskyy
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user_id=356832

Just note that seek operation is defined for the stream
blobs only. Type of the blob, segmented or stream, is
specified at creation and it is not possible to change it
afterwards. Default type is segmented.

On the other hand, the seek is not needed when implementing
simple stream - isc_get_segment is enough for such purpose.
If you need, you can check JDBC driver, but it should be
already supported in .Net provider.

@firebird-automations
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Modified by: @carlosga

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

SF_ID: 1470874 =>

@firebird-automations
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Modified by: @carlosga

status: Resolved [ 5 ] => Closed [ 6 ]

SF_ID: 1470874 =>

@firebird-automations
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Modified by: @carlosga

status: Closed [ 6 ] => Reopened [ 4 ]

SF_ID: 1470874 =>

resolution: Fixed [ 1 ] =>

@firebird-automations
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Commented by: @carlosga

That is not going to be implemented.

@firebird-automations
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Modified by: @carlosga

status: Reopened [ 4 ] => Resolved [ 5 ]

resolution: Won't Fix [ 2 ]

SF_ID: 1470874 =>

@firebird-automations
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Modified by: @carlosga

status: Resolved [ 5 ] => Closed [ 6 ]

SF_ID: 1470874 =>

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