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Adding new state selectors #3596

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Jul 6, 2023
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Adding new state selectors #3596

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Adding new state selectors
matthewshaver Jun 21, 2023
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Update website/docs/reference/node-selection/methods.md
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10 changes: 10 additions & 0 deletions website/docs/reference/node-selection/methods.md
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Expand Up @@ -200,6 +200,16 @@ Because state comparison is complex, and everyone's project is different, dbt su

Remember that `state:modified` includes _all_ of the criteria above, as well as some extra resource-specific criteria, such as modifying a source's `freshness` or `quoting` rules or an exposure's `maturity` property. (View the source code for the full set of checks used when comparing [sources](https://github.com/dbt-labs/dbt-core/blob/9e796671dd55d4781284d36c035d1db19641cd80/core/dbt/contracts/graph/parsed.py#L660-L681), [exposures](https://github.com/dbt-labs/dbt-core/blob/9e796671dd55d4781284d36c035d1db19641cd80/core/dbt/contracts/graph/parsed.py#L768-L783), and [executable nodes](https://github.com/dbt-labs/dbt-core/blob/9e796671dd55d4781284d36c035d1db19641cd80/core/dbt/contracts/graph/parsed.py#L319-L330).)

<VersionBlock firstVersion="1.6">

There are two additional `state` selectors that complement `state:new` and `state:modified` by representing the inverse of those functions:
- `state:old` &mdash; A node with the same `unique_id` exists in the comparison manifest
- `state:unmodified` &mdash; All existing nodes with no changes

The primary benefit of these selectors is to exclude unchanged nodes to shorten run times. No subselectors are available at this time, but that may change as use cases evolve.
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The primary benefit of these selectors is to exclude unchanged nodes to shorten run times. No subselectors are available at this time, but that may change as use cases evolve.
These selectors can help you shorten run times by excluding unchanged nodes. Currently, no subselectors are available at this time.

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</VersionBlock>

### The "exposure" method

The `exposure` method is used to select parent resources of a specified [exposure](/docs/build/exposures). Use in conjunction with the `+` operator.
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