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

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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;