postgresql/contrib/dbmirror/MirrorSetup.sql

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BEGIN;
CREATE FUNCTION "recordchange" () RETURNS trigger
AS '$libdir/pending', 'recordchange'
LANGUAGE C;
CREATE TABLE dbmirror_MirrorHost (
MirrorHostId serial PRIMARY KEY,
SlaveName varchar NOT NULL
);
CREATE TABLE dbmirror_Pending (
SeqId serial PRIMARY KEY,
TableName name NOT NULL,
Op character,
XID integer NOT NULL
);
CREATE INDEX dbmirror_Pending_XID_Index ON dbmirror_Pending (XID);
CREATE TABLE dbmirror_PendingData (
SeqId integer NOT NULL,
IsKey boolean NOT NULL,
Data varchar,
PRIMARY KEY (SeqId, IsKey) ,
FOREIGN KEY (SeqId) REFERENCES dbmirror_Pending (SeqId) ON UPDATE CASCADE ON DELETE CASCADE
);
CREATE TABLE dbmirror_MirroredTransaction (
XID integer NOT NULL,
LastSeqId integer NOT NULL,
MirrorHostId integer NOT NULL,
PRIMARY KEY (XID, MirrorHostId),
FOREIGN KEY (MirrorHostId) REFERENCES dbmirror_MirrorHost (MirrorHostId) ON UPDATE CASCADE ON DELETE CASCADE,
FOREIGN KEY (LastSeqId) REFERENCES dbmirror_Pending (SeqId) ON UPDATE CASCADE ON DELETE CASCADE
);
UPDATE pg_proc SET proname='nextval_pg' WHERE proname='nextval';
CREATE FUNCTION pg_catalog.nextval(regclass) RETURNS bigint
AS '$libdir/pending', 'nextval_mirror'
LANGUAGE C STRICT;
UPDATE pg_proc set proname='setval_pg' WHERE proname='setval';
CREATE FUNCTION pg_catalog.setval(regclass, bigint, boolean) RETURNS bigint
AS '$libdir/pending', 'setval3_mirror'
LANGUAGE C STRICT;
CREATE FUNCTION pg_catalog.setval(regclass, bigint) RETURNS bigint
AS '$libdir/pending', 'setval_mirror'
LANGUAGE C STRICT;
COMMIT;