Static Config Schema

[qhquanghuy]

Maybe static schema for config is easier to work with. Eg:

ddl: "create_or_replace_table:hogehoge"

instead of

create_or_replace_table: hogehoge

Then we can make a sum type from that ddl like:

enum: SnowflakeDDL(val target: String):
  case CreateOrReplace(target: String) 
  case Create(target: String)

def parse(raw: String): Try[Throwable, SnowflakeDDL] = ....
def ddl(x: SnowflakeDDL): String = x match {
  case CreateOrReplace(target) => s"CREATE OR REPLACE TABLE"
}

This ensures user provide only 1 ddl verb and also makes compiler complaint if you forget to handle new case