[Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-19 Thread Mark Rotteveel
Are there any wire protocol changes in Firebird 4 (or planned for 
Firebird 4). And if so, where can I find information on those changes?

Mark
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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-19 Thread Vlad Khorsun
19.12.2016 19:51, Mark Rotteveel wrote:
> Are there any wire protocol changes in Firebird 4 (or planned for
> Firebird 4). And if so, where can I find information on those changes?

   I could remember the only small change, bug fix for CORE-5296 by Alex
(commit 056164ab95c0ae52c970ab6603cf54d18fbc152f).

   I plan to introduce little change to pass statement timeout (op_execute,
op_execute2). Details will be published soon.

Regards,
Vlad


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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-19 Thread Carlos H. Cantu
No improvements regarding blob transfer?

Even with the enhancements in 3.0, transferring blobs is still slow
compared to other datatypes.

[]s
Carlos
http://www.firebirdnews.org
FireBase - http://www.FireBase.com.br

VK> 19.12.2016 19:51, Mark Rotteveel wrote:
>> Are there any wire protocol changes in Firebird 4 (or planned for
>> Firebird 4). And if so, where can I find information on those changes?

VK>I could remember the only small change, bug fix for CORE-5296 by Alex
VK> (commit 056164ab95c0ae52c970ab6603cf54d18fbc152f).

VK>I plan to introduce little change to pass statement timeout (op_execute,
VK> op_execute2). Details will be published soon.

VK> Regards,
VK> Vlad


VK> 
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VK> https://lists.sourceforge.net/lists/listinfo/firebird-devel


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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-19 Thread Dmitry Yemanov
20.12.2016 02:01, Carlos H. Cantu wrote:
 >
> No improvements regarding blob transfer?

No (yet).


Dmitry


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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-30 Thread Kovalenko Dmitry
>From my point of view, protocol must be rewrited

At minimum:
1. The each packet should contain the field with own size.
2. It is necessary to solve the problems with LazySend mode.

Dmity Kovalenko
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-Original Message-
From: Mark Rotteveel [mailto:m...@lawinegevaar.nl] 
Sent: Monday, December 19, 2016 8:51 PM
To: For discussion among Firebird Developers

Subject: [Firebird-devel] Wire protocol changes in Firebird 4?

Are there any wire protocol changes in Firebird 4 (or planned for Firebird
4). And if so, where can I find information on those changes?

Mark
--
Mark Rotteveel


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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-30 Thread Dimitry Sibiryakov
30.12.2016 12:10, Kovalenko Dmitry wrote:
>>From my point of view, protocol must be rewrited
>
> At minimum:
> 1. The each packet should contain the field with own size.
> 2. It is necessary to solve the problems with LazySend mode.

1) Core team have no time for it.
2) Core team have no time to review big patches from outsiders.
3) Backward compatibility has to be kept.


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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-30 Thread Dmitry Yemanov
30.12.2016 14:19, Dimitry Sibiryakov wrote:
>
> 1) Core team have no time for it.

True.

> 2) Core team have no time to review big patches from outsiders.

Bullshit.

> 3) Backward compatibility has to be kept.

True. What a surprise!


Dmitry



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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-30 Thread Dimitry Sibiryakov
30.12.2016 12:19, Dimitry Sibiryakov wrote:
> 1) Core team have no time for it.
> 2) Core team have no time to review big patches from outsiders.
> 3) Backward compatibility has to be kept.

4) Knowledge of total length of packet is required only for current parser 
which need full 
packet to be in single buffer. If rewrite parser to use stateful automate, 
total length is 
needless.


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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-30 Thread Kovalenko Dmitry
>4) Knowledge of total length of packet is required only for current parser
which need full packet to be in single buffer. If rewrite parser to use
stateful automate, total length is needless.

No. It need for resolve a problem with cancelation of operations.

http://tracker.firebirdsql.org/browse/CORE-5152

Dmitry Kovalenko


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Re: [Firebird-devel] Wire protocol changes in Firebird 4?

2016-12-30 Thread Dimitry Sibiryakov
30.12.2016 15:52, Kovalenko Dmitry wrote:
> No. It need for resolve a problem with cancelation of operations.
>
> http://tracker.firebirdsql.org/browse/CORE-5152

   I'm sorry, but could you explain a little: how packet length can help in 
this case?

> It will allow with minimal efforts detect the "op_cancel" operation in stream 
> of data packets at "SRVR_multi_thread" level.

   Does it mean that op_cancel packet can be send in the middle of any other 
packet?


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