text: CREATE TABLE IF NOT EXISTS descriptors_resnet50_pool5 (
    uid       TEXT  NOT NULL,
    vector    BYTEA NOT NULL,
  
    PRIMARY KEY (uid)
  );
  CREATE TABLE IF NOT EXISTS descriptor_set_resnet50_pool5 (
    uid       TEXT  NOT NULL,
    element   BYTEA NOT NULL,
  
    PRIMARY KEY (uid)
  );
  