DataFlow requirements and guidelines

Here are some requirements and guidelines for working with DataFlow.

Requirements

Your organization has the following setup:

❏

Access ThoughtSpot Dataflow using SSO.

❏

Minimum disk space allocation of approximately 5 GB in the /etc/thoughtspot/ directory.

Guidelines

Temporary storage

Some data sources, such as Snowflake, Amazon S3, Google Cloud Storage, and Azure Blob Storage, temporarily store data as local files before loading into the internal ThoughtSpot database.

These sources require additional disk space, depending on how much data is in the source.

DataFlow TQL editor

The DataFlow TQL editor supports the following SQL commands. For details, see the TQL reference.

ALTER TABLE

  • rename, add, and remove columns

  • modify column datatypes

  • add and remove primary and foreign keys.

CREATE DATABASE
CREATE SCHEMA
DELETE FROM <table> [WHERE…​]
UPDATE <table> …​ SET …​ [WHERE …​]

 

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