#void pq\COPY::end([string $error = NULL])

End the COPY operation to the server during pq\Result::COPY_IN state.

Params:#

• Optional string $error# = NULL
  If set, the COPY operation will abort with provided message.

Throws:#

• pq\Exception\InvalidArgumentException
• pq\Exception\BadMethodCallException
• pq\Exception\RuntimeException