27 lines
843 B
PL/PgSQL
Executable File
27 lines
843 B
PL/PgSQL
Executable File
CREATE FUNCTION new_factbase(myhash TEXT) RETURNS INTEGER AS $$
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DECLARE
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myid INTEGER;
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BEGIN
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IF NOT EXISTS (SELECT 1 FROM factbase WHERE hash = myhash) THEN
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INSERT INTO factbase VALUES (DEFAULT, myhash) RETURNING id INTO myid;
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ELSE
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SELECT id INTO myid FROM factbase WHERE hash = myhash;
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END IF;
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RETURN myid;
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END;
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$$ LANGUAGE plpgsql;
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CREATE FUNCTION new_edge(from_id INTEGER, to_id INTEGER, exploit INTEGER) RETURNS INTEGER AS $$
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DECLARE
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myid INTEGER;
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BEGIN
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IF NOT EXISTS (SELECT 1 FROM edge WHERE from_node = from_id AND to_node = to_id AND exploit_id = exploit) THEN
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INSERT INTO edge VALUES (DEFAULT, from_id, to_id, exploit) RETURNING id INTO myid;
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ELSE
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SELECT id INTO myid FROM edge WHERE from_node = from_id AND to_node = to_id AND exploit_id = exploit;
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END IF;
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RETURN myid;
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END;
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$$ LANGUAGE plpgsql; |