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Example code of slayerbirden/dataflow

Informations about the package dataflow

DataFlow

Build Status Scrutinizer Code Quality Code Coverage

Build a pipeline to pour your data through!

About

This is a low level lib that helps you with building a data migration process. It requires a little bootstrapping to float, but it can be easily done if you just need a minimal process or looking to test things out.

The main idea is that you're building a pipeline where each section can mutate the data that's flowing through. It allows process to be extremely flexible, since each new step can potentially get (completely) transformed data. It also can be very dangerous, since mistake can be costly, hence we crafted awesome error handling and reporting mechanisms.

Examples

Build a simple cli import script.

You have a csv file you need to import into database? Let's do that!

  1. For the sake of example we'll be importing users into table "users" with columns:

    id (int) name (string) email (string, unique) age (int)

  2. Our csv file looks like this

    first last email age
    Arthur Dayne [email protected] 23
    Gerold Hightower [email protected] 43
    Eddard Stark [email protected] 36
    Jaime Lannister [email protected] 34
    Aegon I Targaryen [email protected] 64

  3. Let's use PipeLine builder to set up some known steps. We need a little bootstrapping to get DBAL writer and empty emitter.

  4. Now initiate the Plumber and pour.

  5. We want some reporting to know what's going on. Let's implement basic stdOut emitter.

  6. There are something else we need to do: concat firstName and lastName and assign to "name"

  7. Full file can be found under examples/example1-import-cli/import.php.
  8. Logged results:

Goals

Influences

All versions of dataflow with dependencies

PHP Build Version
Package Version
Requires php Version ^7.1
doctrine/dbal Version ^2.5
ext-json Version *
ext-pdo Version *
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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