#void pq\Connection::exec(string $query[, callable $callback])

Asynchronously execute an SQL query on the connection.

NOTE:
If pq\Connection::$unbuffered is TRUE, each call to pq\Connection::getResult() will generate a distinct pq\Result containing exactly one row.

Params:#

• string $query#
  The query to send to the server.
• Optional callable $callback# as function(pq\Result $res#)
  The callback to execute when the query finishes.

Throws:#

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

Example:#

<?php

$connection = new pq\Connection;
$connection->execAsync("SELECT 1", function($res) {
    //...
});
$connection->getResult();

?>