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51b363ec24
In incorperates changes from myself and a number of contributors. This update to dbmirror provides: -replication of sequence operations via setval/nextval -DBMirror.pl support for logging to syslog -changed the names of the tables to dbmirror_* (no quotes required) -Support for writitng SQL statements to files instead of directly to a slave database -More options for DBMirror.pl in the config files. Steven Singer
61 lines
1.4 KiB
PL/PgSQL
61 lines
1.4 KiB
PL/PgSQL
BEGIN;
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SET autocommit TO 'on';
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CREATE FUNCTION "recordchange" () RETURNS trigger AS
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'$libdir/pending.so', 'recordchange' LANGUAGE 'C';
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CREATE TABLE dbmirror_MirrorHost (
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MirrorHostId serial not null,
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SlaveName varchar NOT NULL,
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PRIMARY KEY(MirrorHostId)
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);
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CREATE TABLE dbmirror_Pending (
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SeqId serial,
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TableName Name NOT NULL,
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Op character,
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XID int4 NOT NULL,
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PRIMARY KEY (SeqId)
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);
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CREATE INDEX "dbmirror_Pending_XID_Index" ON dbmirror_Pending (XID);
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CREATE TABLE dbmirror_PendingData (
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SeqId int4 NOT NULL,
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IsKey bool NOT NULL,
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Data varchar,
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PRIMARY KEY (SeqId, IsKey) ,
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FOREIGN KEY (SeqId) REFERENCES dbmirror_Pending (SeqId) ON UPDATE CASCADE ON DELETE CASCADE
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);
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CREATE TABLE dbmirror_MirroredTransaction (
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XID int4 NOT NULL,
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LastSeqId int4 NOT NULL,
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MirrorHostId int4 NOT NULL,
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PRIMARY KEY (XID,MirrorHostId),
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FOREIGN KEY (MirrorHostId) REFERENCES dbmirror_MirrorHost (MirrorHostId) ON UPDATE CASCADE ON DELETE CASCADE,
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FOREIGN KEY (LastSeqId) REFERENCES dbmirror_Pending (SeqId) ON UPDATE
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CASCADE ON DELETE CASCADE
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);
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UPDATE pg_proc SET proname='nextval_pg' WHERE proname='nextval';
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CREATE FUNCTION pg_catalog.nextval(text) RETURNS int8 AS
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'/usr/local/postgresql-7.4/lib/pending.so', 'nextval' LANGUAGE 'C' STRICT;
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UPDATE pg_proc set proname='setval_pg' WHERE proname='setval';
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CREATE FUNCTION pg_catalog.setval(text,int4) RETURNS int8 AS
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'/usr/local/postgresql-7.4/lib/pending.so', 'setval' LANGUAGE 'C' STRICT;
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COMMIT; |