public async override Task <int> UpdateAsync(Expression <Func <T, T> > expression, CancellationToken cancellationToken = default(CancellationToken))
{
DataTableEntityMapping mapping = DataEntityMapping.GetTableMapping(typeof(T));
MassUpdator updator = LambdaExpressionExtend.CreateMassUpdator(expression);
QueryCommand queryCommand = _context.Database.QueryUpdate(_context, mapping, updator, _query);
return(await _context.ExecuteNonQueryAsync(queryCommand.Command, _level, cancellationToken));
}
public override int Update(Expression <Func <T, T> > expression)
{
DataTableEntityMapping mapping = DataEntityMapping.GetTableMapping(typeof(T));
MassUpdator updator = LambdaExpressionExtend.CreateMassUpdator(expression);
QueryCommand queryCommand = _context.Database.QueryUpdate(_context, mapping, updator, _query);
return(_context.ExecuteNonQuery(queryCommand.Command, _level));
}
public virtual QueryCommand QueryUpdate(DataContext context, DataTableEntityMapping mapping, MassUpdator updator, QueryExpression query)
{
CreateSqlState state = new CreateSqlState(context);
CommandData commandData = _factory.CreateMassUpdateCommand(mapping, updator, query, state);
DbCommand command = commandData.CreateCommand(this, state);
QueryCommand queryCommand = new QueryCommand()
{
Command = command
};
return(queryCommand);
}