ipld-eth-server/db/migrations/1525464568_add_eth_node_fingerprint_to_blocks.up.sql

BEGIN;

ALTER TABLE blocks
  ADD COLUMN eth_node_fingerprint VARCHAR(128);

UPDATE blocks
  SET eth_node_fingerprint = (
    SELECT eth_node_id FROM eth_nodes WHERE eth_nodes.id = blocks.eth_node_id
  );

ALTER TABLE blocks
  ALTER COLUMN eth_node_fingerprint SET NOT NULL;

COMMIT;