Re: fix for pg_upgrade

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От Bruce Momjian
Тема Re: fix for pg_upgrade
Дата
Msg-id 201109281648.p8SGmSM27014@momjian.us
обсуждение исходный текст
Ответ на Re: fix for pg_upgrade  (Bruce Momjian <bruce@momjian.us>)
Ответы Re: fix for pg_upgrade
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Bruce Momjian wrote:
> OK, so it fails for all tables and you are using the newest version. 
> Thanks for all your work.  I am now guessing that pg_upgrade 9.1.X is
> just broken on Windows. 
> 
> Perhaps the variables set by pg_upgrade_support.so are not being passed
> into the server variables?  I know pg_upgrade 9.0.X worked on Windows
> because EnterpriseDB did extensive testing recently on this.   Has
> anyone used pg_upgrade 9.1.X on Windows?

OK, I have a new theory.  postmaster.c processes the -b
(binary-upgrade) flag by setting a C variable:
           case 'b':               /* Undocumented flag used for binary upgrades */               IsBinaryUpgrade =
true;              break;
 

I am now wondering if this variable is not being passed down to the
sessions during Win32's EXEC_BACKEND.  Looking at the other postmaster
settings, these set GUC variables, which I assume are passed down.  Can
someone confirm this?  How should this be fixed?

FYI, the binary-upgrade set() functions will not operate unless the -b
option is enabled, which explains the failure the reporter is seeing.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +


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