Great Expectations

great_expectations (great-expectations variant)

The great_expectations utility helps data teams eliminate pipeline debt, through data testing, documentation, and profiling. Note that this utility is pinned to an older version since the Great Expectations CLI is now deprecated.

Getting Started


If you haven't already, follow the initial steps of the Getting Started guide:

  1. Install Meltano
  2. Create your Meltano project

Installation and configuration

  1. Add the great_expectations utility to your project using
    meltano add
  2. meltano add utility great_expectations
  3. Configure the great_expectations settings using
    meltano config
  4. meltano config great_expectations set --interactive

Next steps

  1. Create expectations suites and checkpoints!

Add additional database drivers

If you are using Great Expectations to validate data in a database or warehouse, you might need to install the appropriate drivers. Common options are supported by Great Expectations as pip extras, and any additional packages you may want can be added too by configuring a custom pip_url for the great_expectations utility:

  1. Find the great_expectations plugin definition in your meltano.yml project file

  2. Update the pip_url property to include the desired additional extras and packages:

    - name: great_expectations
      variant: great-expectations
      pip_url: great_expectations[redshift] awscli
  3. Re-install the plugin:

    meltano install utility great_expectations

The next time you run Great Expectations, you will be able to connect to a new type of database, like Redshift in the example.

If you run into any issues, learn how to get help.


This plugin currently has no capabilities defined. If you know the capabilities required by this plugin, please contribute!


The great_expectations settings that are known to Meltano are documented below. To quickly find the setting you're looking for, click on any setting name from the list:

You can also list these settings using

meltano config
with the list subcommand:

meltano config great_expectations list

You can override these settings or specify additional ones in your meltano.yml by adding the settings key.

Please consider adding any settings you have defined locally to this definition on MeltanoHub by making a pull request to the YAML file that defines the settings for this plugin.

Great Expectations Home Directory (ge_home)

  • Environment variable: GREAT_EXPECTATIONS_GE_HOME
  • Default Value: $MELTANO_PROJECT_ROOT/utilities/great_expectations
[No description provided.]

Configure this setting directly using the following Meltano command:

meltano config great_expectations set ge_home [value]

Something missing?

This page is generated from a YAML file that you can contribute changes to.

Edit it on GitHub!

Looking for help?

If you're having trouble getting the great_expectations utility to work, look for an existing issue in its repository, file a new issue, or join the Meltano Slack community and ask for help in the


meltano add utility great_expectations

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