[x] I have verified that these changes work locally on the following warehouses (Note: it's okay if you do not have access to all warehouses, this helps us understand what has been covered)
[ ] BigQuery
[ ] Postgres
[ ] Redshift
[x] Snowflake
[x] I have updated the README.md (if applicable)
[x] I have added tests & descriptions to my macros (and models if applicable)
This is a:
Description & motivation
Resolves #71
Checklist