Row class Null safety

A single row in the result of a select statement.

This class implements the Map interface, which can be used to look up the value of a column by its name. The columnAt method may be used to obtain the value of a column by its index.

Implemented types
Mixed in types

Constructors

Row(Cursor _result, List<Object?> _data)

Properties

entries Iterable<MapEntry<String, dynamic>>
The map entries of this.
read-only, inherited
first ← dynamic
Throws an UnsupportedError; operations that change the map are disallowed.
write-only, inherited
hashCode int
The hash code for this object. [...]
read-only, inherited
isEmpty bool
Whether there is no key/value pair in the map.
read-only, inherited
isNotEmpty bool
Whether there is at least one key/value pair in the map.
read-only, inherited
keys Iterable<String>
The keys of this. [...]
read-only, override
last ← dynamic
Throws an UnsupportedError; operations that change the map are disallowed.
write-only, inherited
length int
The number of key/value pairs in the map.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
values Iterable
The values of this. [...]
read-only, inherited

Methods

addAll(Map<String, dynamic> other) → void
Adds all key/value pairs of other to this map. [...]
inherited
addEntries(Iterable<MapEntry<String, dynamic>> newEntries) → void
Adds all key/value pairs of newEntries to this map. [...]
inherited
cast<RK, RV>() Map<RK, RV>
Provides a view of this map as having RK keys and RV instances, if necessary. [...]
inherited
clear() → void
Throws an UnsupportedError; operations that change the map are disallowed.
inherited
columnAt(int i) → dynamic
Returns the value stored in the i-th column in this row (zero-indexed).
containsKey(Object? key) bool
Whether this map contains the given key. [...]
inherited
containsValue(Object? value) bool
Whether this map contains the given value. [...]
inherited
forEach(void action(String key, dynamic value)) → void
Applies action to each key/value pair of the map. [...]
inherited
map<K2, V2>(MapEntry<K2, V2> transform(String key, dynamic value)) Map<K2, V2>
Returns a new map where all entries of this map are transformed by the given convert function.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
putIfAbsent(String key, dynamic ifAbsent()) → dynamic
Look up the value of key, or add a new entry if it isn't there. [...]
inherited
remove(Object? key) → dynamic
Throws an UnsupportedError; operations that change the map are disallowed.
inherited
removeWhere(bool test(String key, dynamic value)) → void
Removes all entries of this map that satisfy the given test.
inherited
toString() String
A string representation of this object. [...]
inherited
update(String key, dynamic update(dynamic value), {dynamic ifAbsent()?}) → dynamic
Updates the value for the provided key. [...]
inherited
updateAll(dynamic update(String key, dynamic value)) → void
Updates all values. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited
operator [](Object? key) → dynamic
The value for the given key, or null if key is not in the map. [...]
override
operator []=(String key, dynamic value) → void
Throws an UnsupportedError; operations that change the map are disallowed.
inherited