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Import data source

There are several ways to import data in Rill Developer: local files, remotely stored files, and existing DuckDB databases.

Local files

To import a file using the UI, click "+" by Sources in the left hand navigation pane, select "Local File", and navigate to the specific file. Alternately, try dragging and dropping the file directly onto the Rill interface.

To import a file with the CLI use the rill import-source CLI command from the terminal.

rill import-source /path/to/data_1.parquet
rill import-source /path/to/data_2.csv
rill import-source /path/to/data_3.tsv

Remote sources

To add a remote source using the UI, click "+" by Sources in the left hand navigation pane and select the location where your files are stored ("Google Cloud Storage", "Amazon S3", or "Local File"). Enter your file's URI and source name before clicking "Add Source".

To access private data, you'll need to configure your local machine with credentials to the relevant cloud provider (see instructions below). Rill uses official cloud SDKs to automatically detect your local credentials and pass them on to the cloud platform. Your credentials are never stored in Rill.

After import, you'll be able to reimport your data whenever you want by clicking the "refresh source" button in the Rill UI.

Creating remote sources is not currently available through the CLI.

Setting Google GCS credentials

Google Cloud Platform credentials are enabled through gcloud authentication in the terminal.

First, ensure you have the gcloud CLI installed locally by running the following CLI command. If it is not installed, go through the gcloud install steps.

gcloud --version

Next, authenticate your local machine. The following command opens a browser window and takes you through the Google authentication flow:

gcloud auth application-default login

Upon login, private GCS files available to this account can be pulled into Rill.

Setting Amazon S3 credentials

You can use an access key and access secret to ingest privately stored data from S3 into Rill. This can be configured using the CLI.

First, ensure you have the AWS CLI installed locally by running the following command. If it is not installed, go through the AWS CLI install steps.

aws --version

Next, create an access key and secret for a user that has S3 read access. Use the information from this account to configure your local AWS credentials:

aws configure

Enter the Access Key, Access Secret, and region for the AWS user with S3 read access. The default output format has no effect on Rill.

AWS Access Key ID [None]]: <your secret access ID>
AWS Secret Access Key [None]: <your secret access key>
Default region name [None]: <your region>
Default output format [None]: <None>

Private S3 files available to this account can now be pulled into Rill.


Today, a few constraints apply to the data sources you can import:

  • Only Parquet and CSV files are supported.
  • You can only import a single file at a time.

Request a new connector

If you don't see your data source listed above, please let us know! We're continually adding new connectors, so your feedback will help us prioritize what data sources to support next.