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Project "Postgres-XC".

The branch, master has been updated
       via  eb28c09fe2d2fe9c1961cabae5889a1770a8dfa9 (commit)
      from  cfb62fe3583462e9a3b5052f4871d0e600d807bf (commit)


- Log -----------------------------------------------------------------
http://postgres-xc.git.sourceforge.net/git/gitweb.cgi?p=postgres-xc/postgres-xc;a=commitdiff;h=eb28c09fe2d2fe9c1961cabae5889a1770a8dfa9

commit eb28c09fe2d2fe9c1961cabae5889a1770a8dfa9
Author: Michael Paquier <mi...@ot...>
Date:   Fri Aug 3 09:59:45 2012 +0900

    Stop write operations on Datanodes when not accessed from Coordinator
    
    XactReadOnly is completed by an XC-specific condition at transaction startup
    insuring that Datanode backends accessed directly from external application
    are read-only. This protects Datanodes from extern write operations, as they
    may compromise the data consistency in cluster.
    
    A couple of whitespaces have been cleaned at the same time.

M	src/backend/access/transam/xact.c
M	src/backend/commands/variable.c
M	src/backend/executor/execMain.c
M	src/include/access/xact.h

-----------------------------------------------------------------------

Summary of changes:
 src/backend/access/transam/xact.c |   30 ++++++++++++++++++++++++++++++
 src/backend/commands/variable.c   |    6 +++---
 src/backend/executor/execMain.c   |   10 +++++-----
 src/include/access/xact.h         |    1 +
 4 files changed, 39 insertions(+), 8 deletions(-)


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