Get MappedColumn
for a specified column name.
Get MappedColumn
for a specified column name. Fail, if column name is not present.
Get all MappedColumn
instances.
Get first MappedColumn
(mostly used for count to avoid reading entire record).
Get first MappedColumn
as Option
.
Get Spark SQL schema for columns.
Get Spark SQL schema for columns. If applyConversion
then we specify StringType
as column
type, since conversion is always "Any -> String". All fields are non-nullable.
change type to StringType
if true
Spark SQL schema
Get columns with enabled statistics
Abstract interface for NetFlow version