/// <summary>
/// Execute Quary
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
public object Execute(Expression expression)
{
var _expression = new LightDataLinqToNoSql(expression.Type.GetActualType(), this);
_expression.Translate(expression);
return(_dbSchema.Select(expression.Type, _expression.Quary));
}
internal SqlQueryable(Expression exp, Transaction.Transaction repository)
{
_repository = repository;
_expression = new LightDataLinqToNoSql(typeof(T), _repository);
if (exp != null)
{
_matches.Add(exp);
}
}
internal SqlQueryable(Transaction.Transaction repository, List <T> items)
{
_repository = repository;
_expression = new LightDataLinqToNoSql(typeof(T), _repository);
if (items == null)
{
return;
}
PartExecuted = true;
items.RemoveAll(x => x == null);
base.AddRange(items);
}
/// <summary>
/// Return the count of the executed quary
/// </summary>
/// <returns></returns>
public int ExecuteCount()
{
_expression.DataBaseTypes = _repository.DataBaseTypes;
foreach (var exp in _matches)
{
_expression.Translate(exp);
}
ParsedLinqToSql = _expression.Count;
_expression = new LightDataLinqToNoSql(typeof(T));// reset
var cmd = _repository.GetSqlCommand(ParsedLinqToSql);
return(_repository.ExecuteScalar(cmd).ConvertValue <int>());
}
/// <summary>
/// Execute generic quary
/// </summary>
/// <typeparam name="TResult"></typeparam>
/// <param name="expression"></param>
/// <returns></returns>
public TResult Execute <TResult>(Expression expression)
{
var isEnumerable = (typeof(TResult).Name == "IEnumerable`1");
var _expression = new LightDataLinqToNoSql(typeof(TResult).GetActualType(), this);
_expression.Translate(expression);
if (!isEnumerable)
{
return(Select <TResult>(_expression.Quary).First());
}
else
{
return((TResult)_dbSchema.Select(expression.Type, _expression.Quary));
}
}
/// <summary>
/// select by quarry
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="repository"></param>
/// <param name="quary"></param>
/// <returns></returns>
internal static async Task <List <T> > WhereAsync <T>(this ICustomRepository repository, LightDataLinqToNoSql <T> quary = null) where T : class, IDbEntity
{
var sql = quary?.Quary;
return(await Task.Run(() => DbSchema.Where <T>(repository, sql)));
}
/// <summary>
/// select by quarry
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="repository"></param>
/// <param name="quary"></param>
/// <returns></returns>
internal static List <T> Where <T>(this ICustomRepository repository, LightDataLinqToNoSql <T> quary = null) where T : class, IDbEntity
{
var sql = quary?.Quary;
return(DbSchema.Where <T>(repository, sql));
}
