DatabaseService class
A service class to interact with the database.
This class is responsible for opening the database, executing SQL commands, and closing the database.
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
delete(
String command) → Future< int> - Deletes data from the database based on the given command.
-
execute(
String command) → Future< void> - Executes the given SQL command on the database.
-
insert(
String command) → Future< int> - Inserts a new record into the database using the provided SQL command.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
query(
String command) → Future< List< Map< >String, Object?> > - Executes the given SQL command and returns a list of maps representing the result set.
-
toString(
) → String -
A string representation of this object.
inherited
-
update(
String command) → Future< int> -
Updates the database with the given
command. Returns the number of rows affected by the update operation.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited