mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-28 04:27:19 +02:00
102 lines
2.0 KiB
MySQL
102 lines
2.0 KiB
MySQL
-- erServer
|
|
-- Master server setup for erServer demonstration implementation
|
|
-- (c) 2000 Vadim Mikheev, PostgreSQL Inc.
|
|
--
|
|
|
|
--
|
|
-- Slave servers
|
|
--
|
|
drop table _RSERV_SERVERS_;
|
|
|
|
create table _RSERV_SERVERS_
|
|
(
|
|
server int4, -- slave server id
|
|
host text, -- server' host
|
|
port int4, -- server' port
|
|
dbase text -- db name
|
|
);
|
|
|
|
|
|
--
|
|
-- Tables to sync
|
|
--
|
|
drop table _RSERV_TABLES_;
|
|
|
|
create table _RSERV_TABLES_
|
|
(
|
|
tname name, -- table name
|
|
cname name, -- column name
|
|
reloid oid, -- table oid
|
|
key int4 -- key attnum
|
|
);
|
|
|
|
|
|
--
|
|
-- Log for inserts/updates/deletes to sync-ed tables
|
|
--
|
|
drop table _RSERV_LOG_;
|
|
|
|
create table _RSERV_LOG_
|
|
(
|
|
reloid oid,
|
|
logid int4, -- xid of last update xaction
|
|
logtime timestamp, -- last update xaction start time
|
|
deleted int4, -- deleted or inserted/updated
|
|
key text --
|
|
);
|
|
|
|
-- This is to speedup lookup deleted tuples
|
|
create index _RSERV_LOG_INDX_DLT_ID_ on _RSERV_LOG_ (deleted, logid);
|
|
|
|
-- This is to speedup cleanup
|
|
create index _RSERV_LOG_INDX_TM_ID_ on _RSERV_LOG_ (logtime, logid);
|
|
|
|
-- This is to speedup trigger and lookup updated tuples
|
|
create index _RSERV_LOG_INDX_REL_KEY_ on _RSERV_LOG_ (reloid, key);
|
|
|
|
|
|
--
|
|
-- How much each slave servers are sync-ed
|
|
--
|
|
drop table _RSERV_SYNC_;
|
|
|
|
create table _RSERV_SYNC_
|
|
(
|
|
server int4,
|
|
syncid int4, -- from _rserv_sync_seq_
|
|
synctime timestamp, --
|
|
status int4, -- prepared (0) | applied
|
|
minid int4, -- min xid from serializable snapshot
|
|
maxid int4, -- max xid from serializable snapshot
|
|
active text -- list of active xactions
|
|
);
|
|
|
|
create index _RSERV_SYNC_INDX_SRV_ID_ on _RSERV_SYNC_ (server, syncid);
|
|
|
|
drop sequence _rserv_sync_seq_;
|
|
create sequence _rserv_sync_seq_;
|
|
|
|
drop function _rserv_log_();
|
|
|
|
CREATE FUNCTION _rserv_log_()
|
|
RETURNS opaque
|
|
AS '_OBJWD_/rserv_DLSUFFIX_'
|
|
LANGUAGE 'c'
|
|
;
|
|
|
|
drop function _rserv_sync_(int4);
|
|
|
|
CREATE FUNCTION _rserv_sync_(int4)
|
|
RETURNS int4
|
|
AS '_OBJWD_/rserv_DLSUFFIX_'
|
|
LANGUAGE 'c'
|
|
;
|
|
|
|
drop function _rserv_debug_(int4);
|
|
|
|
CREATE FUNCTION _rserv_debug_(int4)
|
|
RETURNS int4
|
|
AS '_OBJWD_/rserv_DLSUFFIX_'
|
|
LANGUAGE 'c'
|
|
;
|