mirror of https://github.com/AMT-Cheif/drift.git
35 lines
1.1 KiB
Dart
35 lines
1.1 KiB
Dart
import 'dart:async';
|
|
|
|
import 'package:sally/src/runtime/components/component.dart';
|
|
import 'package:sally/src/runtime/executor/executor.dart';
|
|
import 'package:sally/src/runtime/statements/query.dart';
|
|
import 'package:sally/src/runtime/structure/table_info.dart';
|
|
|
|
class DeleteStatement<UserTable> extends Query<UserTable, dynamic> {
|
|
/// This constructor should be called by [GeneratedDatabase.delete] for you.
|
|
DeleteStatement(
|
|
GeneratedDatabase database, TableInfo<UserTable, dynamic> table)
|
|
: super(database, table);
|
|
|
|
@override
|
|
void writeStartPart(GenerationContext ctx) {
|
|
ctx.buffer.write('DELETE FROM ${table.$tableName}');
|
|
}
|
|
|
|
/// Deletes all rows matched by the set [where] clause and the optional
|
|
/// limit.
|
|
Future<int> go() async {
|
|
final ctx = constructQuery();
|
|
|
|
return ctx.database.executor.doWhenOpened((e) async {
|
|
final rows =
|
|
await ctx.database.executor.runDelete(ctx.sql, ctx.boundVariables);
|
|
|
|
if (rows > 0) {
|
|
database.markTableUpdated(table.$tableName);
|
|
}
|
|
return rows;
|
|
});
|
|
}
|
|
}
|