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https://github.com/auraphp/Aura.Sql

SQL database access through PDO.
https://github.com/auraphp/Aura.Sql

aura database pdo-instance php profiler

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SQL database access through PDO.

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# Aura.Sql



Provides an extension to the native [PDO](http://php.net/PDO) along with a

profiler and connection locator. Because _ExtendedPdo_ is an extension of the

native _PDO_, code already using the native _PDO_ or typehinted to the native

_PDO_ can use _ExtendedPdo_ without any changes.



Added functionality in _Aura.Sql_ over the native _PDO_ includes:



- **Lazy connection.** _ExtendedPdo_ connects to the database only on

  method calls that require a connection. This means you can create an

  instance and not incur the cost of a connection if you never make a query.



- **Decoration.** _DecoratedPdo_ can be used to decorate an existing PDO

  instance. This means that a PDO instance can be "extended" **at runtime** to

  provide the _ExtendedPdo_ behaviors.



- **Array quoting.** The `quote()` method will accept an array as input, and

  return a string of comma-separated quoted values.



- **New `perform()` method.** The `perform()` method acts just like `query()`,

  but binds values to a prepared statement as part of the call.  In addition,

  placeholders that represent array values will be replaced with comma-

  separated quoted values. This means you can bind an  array of values to a

  placeholder used with an `IN (...)`  condition when using `perform()`.



- **New `fetch*()` methods.** The new `fetch*()` methods provide for

  commonly-used fetch actions. For example, you can call `fetchAll()` directly

  on the instance instead of having to prepare a statement, bind values,

  execute, and then fetch from the prepared statement. All of the `fetch*()`

  methods take an array of values to bind to to the query statement, and use

  the new `perform()` method internally.



- **New `yield*()` methods.** These are complements to the `fetch*()` methods

  that `yield` results instead of `return`ing them.



- **Exceptions by default.** _ExtendedPdo_ starts in the `ERRMODE_EXCEPTION`

  mode for error reporting instead of the `ERRMODE_SILENT` mode.



- **Profiler.** An optional query profiler is provided, along with an

  interface for other implementations, that logs to any PSR-3 interface.



- **Connection locator.** A optional lazy-loading service locator is provided

  for picking different database connections (default, read, and write).



## Installation and Autoloading



This package is installable and PSR-4 autoloadable via Composer as

[aura/sql][].



Alternatively, [download a release][], or clone this repository, then map the

`Aura\Sql\` namespace to the package `src/` directory.



## Dependencies



This package requires PHP 8.1 or later; it has also been tested on PHP 8.1-8.2.

We recommend using the latest available version of PHP as a matter of

principle.



Aura library packages may sometimes depend on external interfaces, but never on

external implementations. This allows compliance with community standards

without compromising flexibility. For specifics, please examine the package

[composer.json][] file.



## Quality



[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/auraphp/Aura.Sql/badges/quality-score.png?b=5.x)](https://scrutinizer-ci.com/g/auraphp/Aura.Sql/)

[![Code Coverage](https://scrutinizer-ci.com/g/auraphp/Aura.Sql/badges/coverage.png?b=5.x)](https://scrutinizer-ci.com/g/auraphp/Aura.Sql/)

[![Build Status](https://github.com/auraphp/Aura.Sql/actions/workflows/continuous-integration.yml/badge.svg?branch=5.x)](https://github.com/auraphp/Aura.Sql/actions/workflows/continuous-integration.yml)

[![PDS Skeleton](https://img.shields.io/badge/pds-skeleton-blue.svg?style=flat-square)](https://github.com/php-pds/skeleton)



This project adheres to [Semantic Versioning](http://semver.org/).



To run the unit tests at the command line, issue `composer install` and then

`./vendor/bin/phpunit` at the package root. (This requires [Composer][] to be

available as `composer`.)



This package attempts to comply with [PSR-1][], [PSR-2][], and [PSR-4][]. If

you notice compliance oversights, please send a patch via pull request.



## Community



To ask questions, provide feedback, or otherwise communicate with other Aura

users, please join our [Google Group][], follow [@auraphp][], or chat with us

on Freenode in the #auraphp channel.



## Documentation



This package is fully documented [here](./docs/index.md).



[PSR-1]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-1-basic-coding-standard.md

[PSR-2]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md

[PSR-4]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader.md

[Composer]: http://getcomposer.org/

[Google Group]: http://groups.google.com/group/auraphp

[@auraphp]: http://twitter.com/auraphp

[download a release]: https://github.com/auraphp/Aura.Sql/releases

[aura/sql]: https://packagist.org/packages/aura/sql

[composer.json]: ./composer.json