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42ee7c8586
This fix allows more flexible placement of tables on a node; better and more flexible logic for remote placement of chunks on nodes.
32 lines
1.1 KiB
PL/PgSQL
32 lines
1.1 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION _sysinternal.on_create_chunk_replica_node_meta()
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RETURNS TRIGGER LANGUAGE PLPGSQL AS
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$BODY$
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DECLARE
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BEGIN
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IF TG_OP <> 'INSERT' THEN
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RAISE EXCEPTION 'Only inserts supported on % table', TG_TABLE_NAME
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USING ERRCODE = 'IO101';
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END IF;
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INSERT INTO distinct_replica_node(hypertable_name, replica_id, database_name, schema_name, table_name)
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SELECT pr.hypertable_name, pr.replica_id, NEW.database_name,
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h.associated_schema_name,
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format('%s_%s_%s_distinct_data', h.associated_table_prefix, pr.replica_id, n.id)
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FROM partition_replica pr
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INNER JOIN hypertable h ON (h.name = pr.hypertable_name)
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INNER JOIN node n ON (n.database_name = NEW.database_name)
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WHERE pr.id = NEW.partition_replica_id
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ON CONFLICT DO NOTHING;
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RETURN NEW;
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END
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$BODY$
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SET SEARCH_PATH = 'public';
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BEGIN;
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DROP TRIGGER IF EXISTS trigger_on_create_chunk_replica_node
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ON chunk_replica_node;
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CREATE TRIGGER trigger_on_create_chunk_replica_node AFTER INSERT OR UPDATE OR DELETE ON chunk_replica_node
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FOR EACH ROW EXECUTE PROCEDURE _sysinternal.on_create_chunk_replica_node_meta();
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COMMIT;
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