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Add vars to state comparison caveats #6224

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Add vars to state comparison caveats #6224

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11 changes: 10 additions & 1 deletion website/docs/reference/node-selection/state-comparison-caveats.md
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Expand Up @@ -16,7 +16,16 @@ dbt will mark modified any resource that depends on a changed macro, or on a mac

### Vars

If a model uses a `var` or `env_var` in its definition, dbt is unable today to identify that lineage in such a way that it can include the model in `state:modified` because the `var` or `env_var` value has changed. It's likely that the model will be marked modified if the change in variable results in a different configuration.
<VersionBlock lastVersion="1.8">

If a model uses a `var` or `env_var` in its definition, dbt Core 1.8 and earlier are unable today to identify that lineage in such a way that it can include the model in `state:modified` because the `var` or `env_var` value has changed. It's likely that the model will be marked modified if the change in variable results in a different configuration.
</VersionBlock>

<VersionBlock firstVersion="1.9">

Beginning in dbt Core 1.9, when you set the `state_modified_compare_vars` [behavior flag](/reference/global-configs/behavior-changes#behavior-change-flags) to `True` and a model uses a `var` or `env_var` in its definition, dbt will identify that lineage in such a way that it will include the model in `state:modified` when the `var` or `env_var` value has changed.

</VersionBlock>

### Tests

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