When connecting to BigQuery data source from Tableau Desktop then receives error:
This is an issue within Google BigQuery.
Fields must contain only letters, numbers, and underscores, start with a letter or underscore, and be at most 128 characters long.
When connecting to Google BigQuery, select the "Use Legacy SQL" option in Tableau Desktop. For more information, see Check if your workbook uses standard SQL or legacy SQL in Tableau Help.
See the Google BigQuery issue in the Google Issue Tracker.
001498346

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