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Informations about the package async-mysql

AsyncMySQL - Asynchronous MySQL Query Manager

AsyncMySQL helps manage several asynchronous queries with callbacks on success or failure. It can be used by itself to speed up concurrent queries in a single model, or in conjunction with an asynchronous library such as Amp or Ratchet.

Background

This library uses mysqli::poll to check for completed queries in its query pool. Once a query is completed it calls the appropriate callback. This library requires you have mysqli and mysqlnd installed. Only mysqlnd supports the mysqli_poll function.

Installation

composer require johncurt/async-mysql

Usage

First instantiate a ConnectionManager. This is the class that connects the queries to a database (one connection per query) and polls the connections to see if they are ready to be reaped. Pass all of your connection data into it.

$conn = new \JohnCurt\AsyncMySQL\ConnectionManager('127.0.0.1', 'user', 'pass', 'schema', 3306);

Then you instantiate a Query for each query that you will be attaching. Be sure to pass in callbacks (or null if no callback is needed), making use of the use construct to gain access to variables outside the scope of the callback.

Once the query is instantiated, you can send it off for processing:

$conn->runQuery($query);

You can add as many as you want. When you are ready to get some results, You can either have the ConnectionManager just reap the ones that are ready or you can make a blocking call to wait for everything to come back. Regardless, all of the queries are (have been) run in separate connections, asynchronously.

$conn->reapAny();

or

$conn->reapAll(); (blocking)

You can also pass in a timeout to the reapAll method that will cause it to stop waiting for queries to finish after the prescribed seconds.

Contact

Feel free to reach out if you have any questions! You can find my personal website at [https://johnfansler.com] or my PHP blog at [https://engagedPHP.com]. I would love to hear your comments as well as about any bugs you might find.

License

Copyright 2018 John C. Fansler

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

All versions of async-mysql with dependencies

PHP Build Version
Package Version
Requires php Version >=7.0
ext-mysqli Version *
ext-mysqlnd Version *
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