DatabaseColumn<T, R> class abstract

Base class of declaring column, must to be const

  • T - type of data represents in Dart
  • R - type of data represents in database (this must be one of int, double, String, Uint8List)

data levels:

  • json - Json representation of contains value
  • bin - bytes representation of contains value
  • dart - T dart representation of contains value
  • raw - R database representation of contains value
  • db - R? contained directly in db of this column
Implementers
Annotations
  • @immutable

Constructors

DatabaseColumn(String name, String type, {String constraints = 'NOT NULL', bool unique = false, bool indexed = false})
const

Properties

columnDefinition → String
Column definition for sqlite3
no setter
constraints → String
Constraints of that column
final
hashCode → int
The hash code for this object.
no setterinherited
indexed → bool
Needs to create index for this column
final
name → String
Column name
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
type → String
Declared type of column
final
unique → bool
Unique values in column
final

Methods

binRead(BinaryReader reader) → R
Read raw database value from reader
binWrite(R value, BinaryWriter writer) → void
Wrtie raw database value to writer
dartDecode(T value) → R
Converting T dart object to raw database value
dartEncode(R value) → T
Converting raw database value to T dart object
databaseLoadMutator(R? value) → R
Mutate db value after select to raw value
databaseSaveMutator(R value) → R?
Mutate raw value to db before insert it to database
jsonDecode(Object? value) → R
Converting json to raw database value
jsonEncode(R value) → Object?
Converting raw database value to json
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
override

Operators

operator ==(Object other) → bool
The equality operator.
inherited