sql_types library Null safety

Classes

BigIntType: Maps BigInt values from and to sql
BlobType: Maps Uint8List values from and to sql
BoolType: A mapper for boolean values in sql. Booleans are represented as integers, where 0 means false and any other value means true.
DateTimeType: Maps DateTime values from and to sql
EnumIndexConverter<T>: Implementation for an enum to int converter that uses the index of the enum as the value stored in the database.
IntType: Maps int values from and to sql
NullAwareTypeConverter<D, S extends Object>: A type converter automatically mapping null values to null in both directions.
RealType: Maps double values from and to sql
SqlType<T>: A type that can be mapped from Dart to sql. The generic type parameter T denotes the resolved dart type.
SqlTypeSystem: Manages the set of SqlType known to a database. It's also responsible for returning the appropriate sql type for a given dart type.
StringType: Mapper for string values in sql.
TypeConverter<D, S>: Maps a custom dart object of type D into a primitive type S understood by the sqlite backend.

JsonTypeConverter<D, S>: A mixin for TypeConverters that should also apply to drift's builtin JSON serialization of data classes.