Function NewNullFieldDescriptor

database/binlog/string_fields.go:69–76

This returns a field descriptor for FieldType_NULL (i.e., Field_null)

(nullable NullableColumn)

// This returns a field descriptor for FieldType_NULL (i.e., Field_null)
func NewNullFieldDescriptor(nullable NullableColumn) FieldDescriptor {
	// A null field can be nullable ...
	return newFixedLengthFieldDescriptor(
		mysql_proto.FieldType_NULL,
		nullable,
		0,
		func(b []byte) interface{} { return nil })
}

//
// packedLengthFieldDescriptor ------------------------------------------------