LazyDatabase class Null safety

A special database executor that delegates work to another QueryExecutor. The other executor is lazily opened by a DatabaseOpener.

Inheritance

Constructors

LazyDatabase(DatabaseOpener opener, {SqlDialect dialect = SqlDialect.sqlite})
Declares a LazyDatabase that will run opener when the database is first requested to be opened. You must specify the same dialect as the underlying database has

Properties

dialect SqlDialect
The SqlDialect to use for this database engine.
read-onlyoverride
hashCode int
The hash code for this object.
read-onlyinherited
opener DatabaseOpener
The function that will open the database when this LazyDatabase gets opened for the first time.
final
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

beginTransaction() TransactionExecutor
Starts a TransactionExecutor.
override
close() Future<void>
Closes this database connection and releases all resources associated with it. Implementations should also handle close calls in a state where the database isn't open.
override
ensureOpen(QueryExecutorUser user) Future<bool>
Opens the executor, if it has not yet been opened.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
runBatched(BatchedStatements statements) Future<void>
Prepares and runs statements.
override
runCustom(String statement, [List<Object?>? args]) Future<void>
Runs a custom SQL statement without any variables. The result of that statement will be ignored.
override
runDelete(String statement, List<Object?> args) Future<int>
Runs an delete statement and returns how many rows where affected.
override
runInsert(String statement, List<Object?> args) Future<int>
Runs an insert statement with the given variables. Returns the row id or the auto_increment id of the inserted row.
override
runSelect(String statement, List<Object?> args) Future<List<Map<String, Object?>>>
Runs a select statement with the given variables and returns the raw results.
override
runUpdate(String statement, List<Object?> args) Future<int>
Runs an update statement with the given variables and returns how many rows where affected.
override
toString() String
A string representation of this object.
inherited

Operators

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