Re: Hot Standby: First integrated patch

On Fri, 2008-10-17 at 15:38 +0100, Simon Riggs wrote:
> First integrated patch for Hot Standby, allowing queries to be executed
> while in recovery mode.

Patch with --context=10 to get around apply problems reported by
Merlin.

Thanks.

Some additional info on categorisation of changes to give a better
overview of the change footprint:

Major changes for Hot Standby
backend/access/transam/xact.c | 679 ++++++++++++++++++!!!!!!!!!
backend/storage/ipc/procarray.c | 787 +++++++++++++++++++++++++!!!
backend/storage/lmgr/proc.c | 107 ++++
backend/postmaster/postmaster.c | 75 ++
backend/utils/time/tqual.c | 29 !

Minor changes for Hot Standby
backend/utils/init/postinit.c | 8
backend/access/transam/multixact.c | 14
backend/access/transam/slru.c | 16
backend/access/transam/twophase.c | 2

Required changes for bgwriter in recovery mode
backend/access/transam/xlog.c | 670 +++++++++++++++++--!!!!!!!!!!
backend/postmaster/bgwriter.c | 206 ++++++++-

Minor utility changes
bin/pg_controldata/pg_controldata.c | 3
bin/pg_resetxlog/pg_resetxlog.c | 2

Changed header files for above
include/access/xact.h | 27 +
include/access/xlog.h | 54 +!
include/access/xlog_internal.h | 6
include/catalog/pg_control.h | 6
include/postmaster/bgwriter.h | 6
include/storage/pmsignal.h | 1
include/storage/proc.h | 4
include/storage/procarray.h | 17
include/utils/snapshot.h | 67 ++!

Prevent operations that would fail in recovery mode
backend/access/heap/pruneheap.c | 8
backend/commands/discard.c | 1
backend/commands/lockcmds.c | 12
backend/commands/sequence.c | 2
backend/storage/lmgr/lock.c | 9
backend/tcop/utility.c | 21
backend/utils/adt/txid.c | 6
include/miscadmin.h | 3

Additional/Changed Comments only
backend/access/transam/clog.c | 3
backend/access/transam/subtrans.c | 3
backend/storage/buffer/README | 9

--
Simon Riggs www.2ndQuadrant.com
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