Callum McCann

Adding metric expression validation

2

resolves #5871 ### Description - changing default value for expression to None - Adding test to confirm behavior ### Checklist - [X] I have read [the contributing guide](https://github.com/dbt-labs/dbt-core/blob/main/CONTRIBUTING.md) and understand...

[CT-1192] [Feature] v1.4 - Deprecate 1.3 backwards compatibility for old metric definition

3

### Is this your first time submitting a feature request? - [X] I have read the [expectations for open source contributors](https://docs.getdbt.com/docs/contributing/oss-expectations) - [X] I have searched the existing issues, and...

[CT-1182] [Feature] dbt_metrics should be part of Core

4

### Is this your first time submitting a feature request? - [X] I have read the [expectations for open source contributors](https://docs.getdbt.com/docs/contributing/oss-expectations) - [X] I have searched the existing issues, and...

[CT-1201] [Bug] Metrics don't require `expression` field

1

### Is this a new bug in dbt-core? - [X] I believe this is a new bug in dbt-core - [X] I have searched the existing issues, and I could...

[CT-1146] [Bug] providers.py raises unhelpful error if dispatch provides package name that doesn't exist

2

### Is this a new bug in dbt-core? - [X] I believe this is a new bug in dbt-core - [X] I have searched the existing issues, and I could...

Derived & component metrics in same mf query results in complex/unnecessary joins

4

_Apologies on the bad title, not sure how exactly to describe this one?_ **Describe the bug** I believe that the new `derived` metric type does not recognize the `component` metrics...

**Describe the Feature** We should look into what it looks like to have code coverage and unit testing for an agreed upon % of functionality in MetricFlow. **Would you like...

### Is this your first time submitting a feature request? - [X] I have read the [expectations for open source contributors](https://docs.getdbt.com/docs/contributing/oss-expectations) - [X] I have searched the existing issues, and...

Create a custom aggregation type for measures

4

**Describe the Feature** A community member suggested that we add a custom aggregation method for aggregation types that we don't support. I have to imagine there are some concerns with...

[CT-3080] [Bug] Improve Error Messages for Grants

4

### Is this a new bug in dbt-core? - [X] I believe this is a new bug in dbt-core - [X] I have searched the existing issues, and I could...