DVRecordAdapter class abstract interface

The operations every database engine implements.

Framework code persists through these rather than through SQL strings, so that a project on a document database gets the same Studio, models and stores as one on PostgreSQL. DV.Database.records is the one for the configured database.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

count(String collection, {DVFilter? where}) → Future<int>

How many records where picks.

delete(String collection, {required DVFilter where}) → Future<int>

Removes the records where picks, and answers how many.

ensure(DVRecordShape shape) → Future<void>

The collection exists with shape's fields.

find(String collection, {DVFilter? where, List<DVSort> orderBy = const <DVSort>[], int? limit, int? offset, List<String>? fields}) → Future<List<Map<String, Object?>>>

The records where picks, in orderBy, at most limit of them after skipping offset, with only fields when given.

insert(String collection, Map<String, Object?> record) → Future<void>

Adds one record.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

update(String collection, Map<String, Object?> changes, {required DVFilter where}) → Future<int>

Applies changes to the records where picks, and answers how many.

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

over(DVDatabaseAdapter database) → DVRecordAdapter

The record operations for database: itself when it is a record engine, as a document database is, and otherwise compiled to SQL for it.