Hi David,
Your b.json file has only nulls; there is no way for Drill to determine what
type of null is in your file. Drill requires each NULL to be a null of some
type. Often, Drill guesses nullable int, which is why you saw the problem in
your query.
If all your fields are strings, there is a
user@drill.apache.org
Subject: Re: Schema problems trying to convert JSON to Parquet
This is a challenge when dealing with JSON. You can either force the data type
in the CTAS statement (likely better option) or deal with the data type change
in parquet table(s) by using CAST, etc. In the case o
user@drill.apache.org
Subject: Re: Schema problems trying to convert JSON to Parquet
This is a challenge when dealing with JSON. You can either force the data type
in the CTAS statement (likely better option) or deal with the data type change
in parquet table(s) by using CAST, etc. In the case of zip code
This is a challenge when dealing with JSON. You can either force the data type
in the CTAS statement (likely better option) or deal with the data type change
in parquet table(s) by using CAST, etc. In the case of zip codes you need to
consider if it will be 5 digits or the extended 5-4 digits to
