Selector inheritance #1628

website/docs/guides/migration/versions/06-upgrading-to-v1.2.md

@@ -29,6 +29,6 @@ See GitHub discussion [dbt-labs/dbt-core#5468](https://github.com/dbt-labs/dbt-c
 
 - **[Grants](/reference/resource-configs/grants)**: You should now manage access to the datasets you're producing with dbt by using grants instead of using hooks. If you already use post-hook to apply simple grants, moving to the grants feature will allow you to [DRY](https://en.wikipedia.org/wiki/Don%27t_repeat_yourself) up your duplicated or boilerplate code.
 - **[dbt-Jinja functions](reference/dbt-jinja-functions)** now include the [`itertools` Python module](dbt-jinja-functions/modules#itertools), as well as the [set](dbt-jinja-functions/set) and [zip](dbt-jinja-functions/zip) functions.
-- **[Node selection](node-selection/syntax)** includes a [file selection method](node-selection/methods#the-file-method) (`-s model.sql`)
+- **[Node selection](node-selection/syntax)** includes a [file selection method](node-selection/methods#the-file-method) (`-s model.sql`), and [yaml selector](node-selection/yaml-selectors) inheritance.
 
 https://github.com/dbt-labs/docs.getdbt.com/labels/dbt-core%20v1.2

website/docs/reference/node-selection/yaml-selectors.md

@@ -261,3 +261,31 @@ selectors:
  default: "{{ target.name == 'prod' | as_bool }}"
  definition: ...
 ```
+
+<VersionBlock firstVersion="1.2">
+
+### Selector inheritance
+
+Selectors can reuse and extend definitions from other selectors, via the `selector` method.
+
+```yml
+selectors:
+ - name: foo_and_bar
+ definition:
+ intersection:
+ - tag: foo
+ - tag: bar
+
+ - name: foo_bar_less_buzz
+ definition:
+ intersection:
+ # reuse the definition from above
+ - method: selector
+ value: foo_and_bar
+ # with a modification!
+ - exclude:
+ - method: tag
+ value: buzz
+```
+
+</VersionBlock>