text: -- +goose Up
  -- +goose StatementBegin
  SELECT 'up SQL query';
  -- +goose StatementEnd
  
  ALTER TABLE dialog_message ADD COLUMN hash_id INT(11) NOT NULL DEFAULT 0;
  
  -- +goose Down
  -- +goose StatementBegin
  SELECT 'down SQL query';
  -- +goose StatementEnd
  