mirror of https://github.com/citusdata/citus.git
63 lines
1.8 KiB
SQL
63 lines
1.8 KiB
SQL
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SET search_path = 'pg_catalog';
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/* add pg_dist_node */
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CREATE TABLE citus.pg_dist_node(
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nodeid int NOT NULL PRIMARY KEY,
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groupid int NOT NULL,
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nodename text NOT NULL,
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nodeport int NOT NULL,
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UNIQUE (nodename, nodeport)
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);
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CREATE SEQUENCE citus.pg_dist_groupid_seq
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MINVALUE 1
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MAXVALUE 4294967296;
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CREATE SEQUENCE citus.pg_dist_node_nodeid_seq
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MINVALUE 1
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MAXVALUE 4294967296;
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ALTER TABLE citus.pg_dist_node SET SCHEMA pg_catalog;
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ALTER SEQUENCE citus.pg_dist_groupid_seq SET SCHEMA pg_catalog;
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ALTER SEQUENCE citus.pg_dist_node_nodeid_seq SET SCHEMA pg_catalog;
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CREATE FUNCTION master_dist_node_cache_invalidate()
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RETURNS trigger
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LANGUAGE C
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AS 'MODULE_PATHNAME', $$master_dist_node_cache_invalidate$$;
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COMMENT ON FUNCTION master_dist_node_cache_invalidate()
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IS 'invalidate internal cache of nodes when pg_dist_nodes changes';
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CREATE TRIGGER dist_node_cache_invalidate
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AFTER INSERT OR UPDATE OR DELETE
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ON pg_catalog.pg_dist_node
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FOR EACH ROW EXECUTE PROCEDURE master_dist_node_cache_invalidate();
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CREATE FUNCTION cluster_add_node(nodename text,
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nodeport integer,
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groupid integer DEFAULT 0)
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RETURNS record
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LANGUAGE C STRICT
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AS 'MODULE_PATHNAME', $$cluster_add_node$$;
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COMMENT ON FUNCTION cluster_add_node(nodename text,
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nodeport integer,
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groupid integer)
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IS 'add node to the cluster';
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CREATE FUNCTION cluster_remove_node(nodename text, nodeport integer)
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RETURNS void
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LANGUAGE C STRICT
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AS 'MODULE_PATHNAME', $$cluster_remove_node$$;
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COMMENT ON FUNCTION cluster_remove_node(nodename text, nodeport integer)
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IS 'remove node from the cluster';
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/* this only needs to run once, now. */
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CREATE FUNCTION cluster_initialize_node_metadata()
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RETURNS BOOL
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LANGUAGE C STRICT
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AS 'MODULE_PATHNAME', $$cluster_initialize_node_metadata$$;
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SELECT cluster_initialize_node_metadata();
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RESET search_path;
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