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)
Declares a LazyDatabase that will run opener when the database is first requested to be opened.

Properties

dialect SqlDialect
The SqlDialect to use for this database engine.
read-only, inherited
hashCode int
The hash code for this object. [...]
read-only, inherited
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-only, inherited

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