Feature: Union schema compatibility

[fivetran-catfritz]

Issue: #27

Confirm the following files were correctly updated automatically:

• CHANGELOG
• README
• stg_microsoft_ads.yml, src_microsoft_ads.yml, microsoft_ads.yml (depending if source or transform)
• docs.md
• joins
• window functions (partition by)
• 'source_relation' column added in staging and transform models
• tests

Manual updates:

• Add source_relation to downstream models if necessary
• Finish any incomplete/incorrect joins/partitions
• Update tests to include source_relation in unique-combination-of-cols if necessary
  • May need to remove some uniqueness tests in favor of the combo test

Validation:

• dbt run locally passes
• dbt test locally passes

[fivetran-joemarkiewicz]

@fivetran-catfritz these changes look great. However, I am curious why we are seeing a number of the sources in the integration tests are not being found? Do you know why that may be? I would assume that these should be found.

[fivetran-joemarkiewicz]

Thanks for making the updates! These look good to go with a small request to update the CHANGELOG and README.

Once those final updates are applied then this will be good to ship once the others are ready.