CREATE TABLE IF NOT EXISTS posts ( id BIGSERIAL, title VARCHAR(255) NOT NULL, content TEXT NOT NULL, cover_id BIGINT, created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP, updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (id) ); COMMENT ON TABLE posts IS 'Blog posts table'; COMMENT ON COLUMN posts.id IS 'Unique identifier for the post'; COMMENT ON COLUMN posts.title IS 'Title of the blog post'; COMMENT ON COLUMN posts.content IS 'Content of the blog post'; COMMENT ON COLUMN posts.cover_id IS 'Reference to the cover image file id'; COMMENT ON COLUMN posts.created_at IS 'Timestamp when the post was created'; COMMENT ON COLUMN posts.updated_at IS 'Timestamp when the post was last updated'; CREATE INDEX idx_posts_created_at ON posts(created_at); CREATE INDEX idx_posts_cover_id ON posts(cover_id);