Google BigQuery Input Tool Icon

Google BigQuery Input Tool

Version:
Current
Last modified: January 03, 2020

Use the Google BigQuery Input tool to query a table from Google BigQuery and read it into Designer. See Google BigQuery for information about known limitations. More information about Google BigQuery can be found on the Google Big Query Documentation site.

This tool is not automatically installed with Designer. To use this tool, download it from the Alteryx Analytics Gallery.

Log in to Google BigQuery

You can log in to Google BigQuery with service-to-service or end user credentials.

Use Service-to-service authentication over End user authentication whenever possible. Managing distinct keys for various applications authenticating for the same service account allows the revocation of access for a specific application without requiring the other applications to update their authentication credentials.

Contact your Google Cloud Administrator for help with your Google BigQuery credentials.

Service-to-service authentication

Service-to-service authentication requires a Google Service Account File, also known as a service account JSON key file.

You can obtain a service account JSON key file from the Google Cloud Console or you can create a new key for an existing service account. More information about Google BigQuery can be found on the Google Big Query Documentation site under Creating and Managing Service Account Keys.

Service-to-service authentication

  1. In Authentication mode, select Service-to-Service.
  2. Click Select a file to select your Google service account file.
  3. In Open File, browse to and select the JSON file that contains your Google service account key.

    Selecting the file enters your Google Cloud Service account key ID and Service account email, and then displays the BigQuery Table Input Config window. If your key file is invalid, an error displays.

End user authentication

  1. In Authentication mode, select End user.
  2. Enter your Client ID and Client Secret.
  3. Click Log in.
  4. In Sign in with Google, enter your Google email and password then click Allow to approve the connector's permission to access Google BigQuery on your behalf.
  5. Click Next.

Tool Configuration

  1. In BigQuery Table Input Config, click Select table. Designer displays the tables you have access to.
  2. Select a project, expand a dataset, and then select a BigQuery table. Once you select a table, Designer, displays the table's fully qualified identifier.
    • To refresh the metadata, click the refresh icon.
    • Click Change table to select a different table.
  3. Select options.
    • Limit the number of results returned: Sets the number of rows in the report to return.
    • Use a custom query: Select a SQL type and then Select a project to query. Enter your custom query including any LIMIT clause.
    • Infer max repeated record limit: Not available with custom query. Select this option and then indicate a Max field length to set the repeated record limit to the maximum number of repeated records in the results returned from your Google BigQuery table. If you limit the number of records, then Designer will only inspect that set of records to infer the max repeated record limit.
  4. Run the workflow.
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