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ODBC/Snowflake integration for Laravel Framework to easily create a ODBC connection via Laravel Eloquent.

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ODBC/Snowflake Integration for Laravel Framework

This repository provides seamless integration of ODBC/Snowflake with Laravel Eloquent. It aims to create a comprehensive ODBC package for Laravel, while also functioning as a standalone solution.

Unlike the odbc_* functions, this package utilizes the PDO class, resulting in smoother and more convenient integration with Eloquent.

The primary goal of this package is to offer a standardized approach to connect with an ODBC connection. It supports custom grammars and schemas to accommodate various ODBC connections, such as Snowflake.

How to Install

Before proceeding, ensure that you have PHP version 8.x installed on your system.

To add the package to your project, run the following command:

composer require yoramdelangen/laravel-pdo-odbc

By default, the package will be automatically registered through the package:discover command.

Alternatively, you can manually register the service provider in the app.php file:

'providers' => [
  // ...
  LaravelPdoOdbc\ODBCServiceProvider::class,
];

If you intend to use the snowflake_pdo PHP extension, please follow the installation guide provided here to set it up.

Starting from version 1.2.0, the package includes support for snowflake_pdo, but it will still function without the Snowflake extension (via ODBC).

Configuration

The available driver flavors are:

  • ODBC (generic)
  • Snowflake (via ODBC and native through PHP extension)
  • ...

Snowflake Specific environment variables

You have the option to customize the Snowflake driver using the following parameters:

# When set to `false`, column names are automatically uppercased.
SNOWFLAKE_COLUMNS_CASE_SENSITIVE=false

# When set to `true`, column names are wrapped in double quotes and their
# case is determined by the input.
SNOWFLAKE_COLUMNS_CASE_SENSITIVE=true

Usage

Configuring the package is straightforward:

Add a Database Configuration to database.php

Starting from version 1.2, we recommend using the native Snowflake extension instead of ODBC, but we'll keep supporting it.

'snowflake_pdo' => [
    'driver' => 'snowflake_native',
    'account' => '{account_name}.eu-west-1',
    'username' => '{username}',
    'password' => '{password}',
    'database' => '{database}',
    'warehouse' => '{warehouse}',
    'schema' => 'PUBLIC', // change it if necessary.
    'options' => [
        // Required for Snowflake usage
        \PDO::ODBC_ATTR_USE_CURSOR_LIBRARY => \PDO::ODBC_SQL_USE_DRIVER
    ]
],

You have multiple ways to configure the ODBC connection:

  1. Simple configuration using DSN only:

    'odbc-connection-name' => [
        'driver' => 'odbc',
        'dsn' => 'OdbcConnectionName', // odbc: will be prefixed
        'username' => 'username',
        'password' => 'password'
    ]

    or, if you don't have a datasource configured within your ODBC Manager:

    'odbc-connection-name' => [
        'driver' => 'odbc',
        'dsn' => 'Driver={Your Snowflake Driver};Server=snowflake.example.com;Port=443;Database={DatabaseName}',
        'username' => 'username',
        'password' => 'password'
    ]

    Note: The DSN Driver parameter can either be an absolute path to your driver file or the name registered within the odbcinst.ini file/ODBC manager.

  2. Dynamic configuration:

    'odbc-connection-name' => [
        'driver' => 'snowflake',
        // please change this path accordingly your exact location
        'odbc_driver' => '/opt/snowflake/snowflakeodbc/lib/universal/libSnowflake.dylib',
        // 'odbc_driver' => 'Snowflake path Driver',
        'server' => 'host.example.com',
        'username' => 'username',
        'password' => 'password',
        'warehouse' => 'warehouse name',
        'schema' => 'PUBLIC', // most ODBC connections use the default value
    ]

    All fields, except for driver, odbc_driver, options, username, and password, will be dynamically added to the DSN connection string.

    Note: The DSN odbc_driver parameter can either be an absolute path to your driver file or the name registered within the odbcinst.ini file/ODBC manager.

Eloquent ORM

You can use Laravel, Eloquent ORM, and other Illuminate components as usual.

# Facade
$books = DB::connection('odbc-connection-name')
            ->table('books')
            ->where('Author', 'Abram Andrea')
            ->get();

# ORM
$books = Book::where('Author', 'Abram Andrea')->get();

Troubleshooting and more info

We have documented all weird behavious we encountered with the ODBC driver for Snowflake. In case of trouble of weird messages, checkout the following links:

Customization

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ODBC/Snowflake integration for Laravel Framework to easily create a ODBC connection via Laravel Eloquent.

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