For the conversion of integer data types (LONG and SHORT) each one is converted to INTEGER in Snowflake, because INTEGER contains the range numbers for both of them.
SparkSQL LONG: -32768 to 32767
SparkSQL SHORT: -9223372036854775808 to 9223372036854775807
Snowflake INTEGER:-99999999999999999999999999999999999999 to +99999999999999999999999999999999999999