3 Commits

Author	SHA1	Message	Date
clairblacketer	4786616305	Closes cdm proposal #71 and updates headers for CDM v5.2	2017-07-14 10:28:17 -04:00
Tom White	de8c1d0f23	Change empty 'invalid_reason' field to null for compatibility with Atlas cohort generation.	2017-07-06 09:48:01 +01:00
Tom White	7d2c9f3081	Add a step to transform data into Parquet, and use TIMESTAMP type for dates.	2017-04-18 11:05:47 +01:00