memos/store/db/migration/prod/0.5/01__memo_resource.sql

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-- memo_resource
CREATE TABLE memo_resource (
memo_id INTEGER NOT NULL,
resource_id INTEGER NOT NULL,
created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
FOREIGN KEY(memo_id) REFERENCES memo(id) ON DELETE CASCADE,
FOREIGN KEY(resource_id) REFERENCES resource(id) ON DELETE CASCADE,
UNIQUE(memo_id, resource_id)
);