24 lines
376 B
PL/PgSQL
24 lines
376 B
PL/PgSQL
BEGIN;
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CREATE OR REPLACE FUNCTION send_block_changes()
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RETURNS TRIGGER AS
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$$
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BEGIN
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PERFORM pg_notify('blockchanges',
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json_build_object(
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'X', NEW.posx,
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'Z', NEW.posz
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)::text
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);
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER blocks_changed
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AFTER INSERT OR UPDATE
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ON blocks
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FOR EACH ROW
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EXECUTE PROCEDURE send_block_changes();
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END;
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