2005-03-12    <t-ishii@sra.co.jp>
	* version 2.5.2
	* fix bug in health checking
	* strict mode is applied to non SELECT query only
	* add -D_GNU_SOURCE to CPP flag
	
2005-02-20    <t-ishii@sra.co.jp>
	* version 2.5.1
	* fix bug in heal checking
	  - sometimes health checking period drifts
	  - if health checking is intrrupted by SIGCHILD (this could
	    happen, for exmaple, if child_life_time expires), unwanted
	    failover happens
	* accept fast/immediate shutdown request while blocking in smart
	  shutdown
	* use asprintf to avoid log output confusion (thanks to Jacques Caron)
	* use sttok rather than strsep
	* emit log when starting up
	* make some logs from log level to debug level
	
2005-02-02    <t-ishii@sra.co.jp>
	* version 2.5
	* add health checking
	* add switch over
	* add following to pgpool.conf
	  - print_time_stamp
	  - master_slave_mode
	  - connection_cache
	  - health_check_timeout
	  - health_check_period
	  - health_check_user
	
2005-01-05    <t-ishii@sra.co.jp>
	* version 2.4
	* add reset_query_list so that SQL commands to be issued at the
	  end of sessions configurable
	* update copyright years
	
2004-12-14    <t-ishii@sra.co.jp>
	* version 2.3.3
	* make signal handling more portable
	* add health check when kind does match between master and secondary
	
2004-12-08    <t-ishii@sra.co.jp>
	* version 2.3.2
	* fix bug in degeneration when session is continued
	
2004-11-12    <t-ishii@sra.co.jp>
	* version 2.3.1
	* fix bug after degeneration
	* fix bug in child expires its life time
	* fix bug when envoked with -n and sent kill signal
	
2004-11-05    <t-ishii@sra.co.jp>
	* version 2.3
	* fix memory leak in handling startup packets
	* implement child_life_time
	* add -m option to pgpool stop mode to terminate pgpool in safe manner
	
2004-10-28    <t-ishii@sra.co.jp>
	* version 2.2.1
	* restart child process if one of them detects backend errors in
	  single/connection pool mode. This will avoid annoying errors in
	  case of postmaster restarting.
	* fix bug in setting select()'s timeout parameter
	* fix enbug in 2.2
	* fix mishandling select()'s timeout parameters in emitting ERROR
	  when select() fails
	* fix comments in pgpool.conf.sample
	
2004-09-30    <t-ishii@sra.co.jp>
	* version 2.2
	* fix unexpected block when master or secondary receives shutdown request
	* allow listen address and add new listen_address
	  directive. contributed by Peter Eisentraut
	
2004-09-13    <t-ishii@sra.co.jp>
	* version 2.1
	* new conf param weight_master and weight_secondary
	* use recent version of autoconf and automake
	
2004-09-02    <t-ishii@sra.co.jp>
	* version 2.0.9
	* use non block read() to be more reliable on heavy load
	* fix compilar warning on Solaris
	
2004-08-18    <t-ishii@sra.co.jp>
	* version 2.0.8
	* fix segfault when connection pool timer expires (Thanks matsuu!)
	
2004-08-13    <t-ishii@sra.co.jp>
	* version 2.0.7
	* fix compiler warning on PPC architecutre (thanks Peter!)
	* no need flex anymore while building pgpool
	  (workaround is fix configure by hand. this is due to
	  AM_PROG_LEX macro bug).
	* fix compiler warning and segfault on FreeBSD 5.2.1+AMD64 (thanks Martin!)
	* fix sigint handler in child
	
2004-07-22    <t-ishii@sra.co.jp>
	* version 2.0.6
	* workaorund with buggy 6.5's libpq
	* fix enbug in 2.0.5(pool_read -> pool_read2)
	
2004-07-19    <t-ishii@sra.co.jp>
	* version 2.0.5
	* do not check NULLMAP when no replication mode
	* fix lots of compiler warnings
	* change pool_read to pool_read2
	* consider the case NULLMAP is different among master and
	secondary in BinaryRow

2004-07-17    <t-ishii@sra.co.jp>
	* version 2.0.4
	* accept more connections than max_pool
	* consider the case NULLMAP is different among master and secondary
	
2004-07-12    <t-ishii@sra.co.jp>
	* version 2.0.3
	* fix segfault when connection is reused (enbug in 2.0.2)
	* fix wording in pgpool.conf.sample
	* fix flat file password authentication on V3 and relication is true
	
2004-07-04    <t-ishii@sra.co.jp>

	* version 2.0.2
	* enhance error handling when frontend or backend failed
	* change "log" -> "LOG" in pool_log()

2004-07-01    <t-ishii@sra.co.jp>

	* version 2.0.1
	* fix bug when backend_host_name is ''
	* relax message length check in SimpleForwardToFrontend so that it
	  allows rows order is physically different
	
2004-06-22    <t-ishii@sra.co.jp>

	* version 2.0
	* add load balancing capability
	* prevent unwanted degeneration (V1.2 behavior can be possible
	  using replication_stop_on_mismatch directive)
	
2004-05-16    <t-ishii@sra.co.jp>
	
	* version 1.2.3
	* fix bug in FunctionCall in replication mode
	
2004-05-11    <t-ishii@sra.co.jp>

	* version 1.2.2
	* fix slowness when client is connected to pgpool via TCP

2004-05-08    <t-ishii@sra.co.jp>

	* version 1.2.1
	* fix a bug when pool_read_string() reads large string
	* remove unnecessary pool_write_and_flush() from AsciiRow() and BinaryRow()

2004-05-06    <t-ishii@sra.co.jp>

	* version 1.2
	* fix a bug introduced by v1.1 which close listen fds accidently
	* prevent buffer overflow by checking password string length
	* do authentication even when connected by pooled connection
	* send an end packet("X") before closing a connection to backend

2004-04-28    <t-ishii@sra.co.jp>

	* version 1.1
	* fix segfault when connection pool timer is expired
	* support clear text password, crypt, md5 authentication method. note that in
	  repication mode, only clear text password authenticaton is supported.

2004-04-23    <t-ishii@sra.co.jp>

	* pgpool 1.0 released
	

