Add Column
Current Schema
CREATE TABLE inbox_links (
inbox_id TEXT NOT NULL,
entity_id TEXT NOT NULL,
link_type TEXT NOT NULL DEFAULT 'about',
PRIMARY KEY (inbox_id, entity_id, link_type),
FOREIGN KEY (inbox_id) REFERENCES inbox_items(id) ON DELETE RESTRICT DEFERRABLE INITIALLY DEFERRED,
FOREIGN KEY (entity_id) REFERENCES entities(id) ON DELETE RESTRICT DEFERRABLE INITIALLY DEFERRED
)