Re: [Firebird-devel] bin/164526: kill(1) can not kill process despite on -KILL

2012-02-01 Thread Коньков Евгений
Title: Re[4]: bin/164526: kill(1) can not kill process despite on -KILL Здравствуйте, Alan. Вы писали 2 февраля 2012 г., 0:24:55: > kill -9  doesn't want to play either? Read the docs/debugging file. Compile FR with debugging/developer stuff and run it under gdbm control and do your kil

Re: [Firebird-devel] bin/164526: kill(1) can not kill process despite on -KILL

2012-02-01 Thread Коньков Евгений
Здравствуйте, Jilles. Вы писали 28 января 2012 г., 20:24:07: >> [stuck process cannot be killed, system hangs when reboot is >> attempted] JT> A signal cannot forcibly kill a process that is stuck in the kernel. JT> Allowing this would put the integrity of the kernel data structures at JT> risk

Re: [Firebird-devel] READ BLOB / INSERT BLOB SQL commands

2012-02-01 Thread Adriano dos Santos Fernandes
On 01-02-2012 12:46, Dmitry Yemanov wrote: > 31.01.2012 2:12, Adriano dos Santos Fernandes wrote: >> >> There is two obscure SQL commands called READ BLOB and WRITE BLOB. >> >> The idea behind these commands is to make blob read/write using the >> cursor (fetch/insert) API. Why they exist is not so

Re: [Firebird-devel] Firebird RLE of two repeating bytes

2012-02-01 Thread Ann Harrison
Olivier, > > > Read this {fe 44} for minus 2 followed by 44. > But the question remains open, I still do not get why 'DD' becomes 02 44 44 > and not FE 44. > I think that case of a doubled letter is larger only if the doubled letter is either the end of the string or immediately precedes a strin

Re: [Firebird-devel] READ BLOB / INSERT BLOB SQL commands

2012-02-01 Thread Dmitry Yemanov
31.01.2012 2:12, Adriano dos Santos Fernandes wrote: > > There is two obscure SQL commands called READ BLOB and WRITE BLOB. > > The idea behind these commands is to make blob read/write using the > cursor (fetch/insert) API. Why they exist is not something I know, maybe > it predates blob API funct

[Firebird-devel] [FB-Tracker] Created: (CORE-3749) database file appears corrupt only on some computers

2012-02-01 Thread Dumabg (JIRA)
database file appears corrupt only on some computers Key: CORE-3749 URL: http://tracker.firebirdsql.org/browse/CORE-3749 Project: Firebird Core Issue Type: Bug Components: API /

Re: [Firebird-devel] Firebird RLE of two repeating bytes

2012-02-01 Thread Norman Dunbar
On 01/02/12 13:35, Adriano dos Santos Fernandes wrote: > You're manual is very great. I'm able to read (kind of) table data based > only on it (didn't even looked at FB sources). Thanks! Cheers, Norm. -- Norman Dunbar Dunbar IT Consultants Ltd Registered address: Thorpe House 61 Richardshaw Lan

Re: [Firebird-devel] Firebird RLE of two repeating bytes

2012-02-01 Thread Adriano dos Santos Fernandes
On 01-02-2012 09:35, Norman Dunbar wrote: > > PS. One day I'll finish decoding the internals and finish the manual! > Thanks for reading so far. > You're manual is very great. I'm able to read (kind of) table data based only on it (didn't even looked at FB sources). Adriano -

Re: [Firebird-devel] READ BLOB / INSERT BLOB SQL commands

2012-02-01 Thread Adriano dos Santos Fernandes
On 01-02-2012 11:00, Alex Peshkoff wrote: > On 01/31/12 02:12, Adriano dos Santos Fernandes wrote: >> All, >> >> There is two obscure SQL commands called READ BLOB and WRITE BLOB. >> >> The idea behind these commands is to make blob read/write using the >> cursor (fetch/insert) API. Why they exist

Re: [Firebird-devel] READ BLOB / INSERT BLOB SQL commands

2012-02-01 Thread Roman Simakov
2012/2/1 Alex Peshkoff : > I like the suggestion, but one question. How much are we sure that this > commands are not used in some popular client tool? Do you remember the > case with ibase.h cleanup which broken kinterbasdb stable build? Fix is > certainly trivial, done in SVN - but current stable

Re: [Firebird-devel] READ BLOB / INSERT BLOB SQL commands

2012-02-01 Thread Alex Peshkoff
On 01/31/12 02:12, Adriano dos Santos Fernandes wrote: > All, > > There is two obscure SQL commands called READ BLOB and WRITE BLOB. > > The idea behind these commands is to make blob read/write using the > cursor (fetch/insert) API. Why they exist is not something I know, maybe > it predates blob

Re: [Firebird-devel] Firebird RLE of two repeating bytes

2012-02-01 Thread Norman Dunbar
On 01/02/12 09:36, Olivier Mascia wrote: > I'm reading the Firebird Internals pdf documentation and feel puzzled about > the encoding of two repeating bytes. > > "You may have noticed that the two consecutive characters 'DD' did not get > compressed. Compression only takes place when there are th

Re: [Firebird-devel] Firebird RLE of two repeating bytes

2012-02-01 Thread Olivier Mascia
It was probably written in the sky that I had to post a typo, but I did it. > Why isn't this encoded as {ff 44} which is not shorter than the initial data, > but at least is not larger. Read this {fe 44} for minus 2 followed by 44. But the question remains open, I still do not get why 'DD' beco

[Firebird-devel] Firebird RLE of two repeating bytes

2012-02-01 Thread Olivier Mascia
I'm reading the Firebird Internals pdf documentation and feel puzzled about the encoding of two repeating bytes. "You may have noticed that the two consecutive characters 'DD' did not get compressed. Compression only takes place when there are three or more identical characters." Indeed the pd