--- title: Snowflake - Use Stream and incremental load settings (Business Rule) description: These business rules check Use Stream and incremental loads on Snowflake. --- [Skip to content](https://knowledge.bigenius-x.com/snowflake-use-stream-and-incremental-load-settings-business-rule#main-content) [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new?hsLang=en) [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal?hsLang=en) [![TRI\_Logo\_biGENIUS\_2020\_RGB\_s](https://knowledge.bigenius-x.com/hs-fs/hubfs/Marketing/TRI_Logo_biGENIUS_2020_RGB_s.png?width=150&height=42&name=TRI_Logo_biGENIUS_2020_RGB_s.png)](https://www.bigenius-x.com/) Open main navigation Close main navigation - [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new) - [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal) How can we help you? - There are no suggestions because the search field is empty. 1. [biGENIUS-X Knowledge Base](https://knowledge.bigenius-x.com/?hsLang=en) 2. [Best practices](https://knowledge.bigenius-x.com/best-practices?hsLang=en) 3. [Business Rules](https://knowledge.bigenius-x.com/best-practices?hsLang=en#business-rules) # Snowflake - Use Stream and incremental load settings (Business Rule) **Applies to** Platform: Snowflake These business rules check Use Stream and incremental loads on Snowflake. Use Stream needs a model object with a table (ID-30000) and excludes an incremental load (ID-30004), and a Stage of a Snowflake Stage Files project supports neither (ID-30002, ID-30003). Each rule raises an error, which blocks generation in the client. ### Messages Each message names the model object and its type in place of `` and ``. The Generate Artifacts page lists the messages without the rule ID. #### Use Stream on a Virtual model object The client shows an error with this text: ``` Model object '' of type '' has implementation type 'Virtual' and usage of stream defined. This is only supported with implementation type 'Permanent', 'FactLoadStrategy' or 'Cached'. ``` On the model object card, point to the error icon to see this message with the rule ID: Error ID-30000. Cause: a dataflow has Use Stream `true`, and Implementation Type is `Virtual`. Fix: set Implementation Type to `Cached` or `Permanent`, or set Use Stream to `false` in every dataflow. #### Use Stream with an incremental load The client shows an error with this text: ``` Model object '' of type '' has both incremental load and usage of streams configured. Use only one of each. ``` On the model object card, point to the error icon to see this message with the rule ID: Error ID-30004. Cause: a dataflow has Use Stream `true` and maps `BG_IncrementalFilter`. Fix: clear the mapping of `BG_IncrementalFilter`, or set Use Stream to `false` in that dataflow. #### Incremental load on a Stage that uses COPY INTO The client shows an error with this text: ``` Model object '' of type '' has incremental load configured. This is not supported together with Snowflake COPY INTO command. ``` On the model object card, point to the error icon to see this message with the rule ID: Error ID-30002. Cause: a Stage of a Snowflake Stage Files project maps `BG_IncrementalFilter`. Fix: clear the mapping of `BG_IncrementalFilter`. #### Use Stream on a Stage that uses COPY INTO The client shows an error with this text: ``` Model object '' of type '' has usage of stream configured. This is not supported together with Snowflake COPY INTO command. ``` On the model object card, point to the error icon to see this message with the rule ID: Error ID-30003. Cause: a dataflow of a Stage in a Snowflake Stage Files project has Use Stream `true`. Fix: set Use Stream to `false`. On a Stage, a newly mapped `BG_IncrementalFilter` also shows the error of [Supported Term Data Types (Business Rule)](https://knowledge.bigenius-x.com/supported-term-data-types-business-rule?hsLang=en) until you set its data type. ### Check the result The error icon is gone from the model object, and generation is no longer blocked by it. ### Example In a Data Vault project on Snowflake, the Stage `SALESHEAD` maps `BG_IncrementalFilter` and has Use Stream `true`. The client shows: ``` Model object 'SALESHEAD' of type 'Stage' has both incremental load and usage of streams configured. Use only one of each. ``` ### Related articles - Reference: [Use Stream (Model Object)](https://knowledge.bigenius-x.com/use-stream-model-object?hsLang=en), [BG\_IncrementalFilter](https://knowledge.bigenius-x.com/bg_incrementalfilter?hsLang=en), [Implementation Type (Model Object)](https://knowledge.bigenius-x.com/implementation-type-model-object?hsLang=en) - See also: [Configure an incremental load](https://knowledge.bigenius-x.com/configure-an-incremental-load?hsLang=en), [Snowflake - Stage Files](https://knowledge.bigenius-x.com/snowflake-stage-files-2.0?hsLang=en), [Understand warnings and errors](https://knowledge.bigenius-x.com/understand-warnings-and-errors?hsLang=en) - [Getting started](https://knowledge.bigenius-x.com/getting-started?hsLang=en#main-content) - [Guidelines](https://knowledge.bigenius-x.com/getting-started?hsLang=en#guidelines) - [Start working](https://knowledge.bigenius-x.com/getting-started?hsLang=en#start-working) - [Account](https://knowledge.bigenius-x.com/getting-started?hsLang=en#account) - 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