/// <summary>
/// Create a sql.
/// Add name.
/// </summary>
/// <typeparam name="TSelected">It is the type selected in the SELECT clause.</typeparam>
/// <param name="expression">Expression expressing Sql by lambda.</param>
/// <returns>Sql.</returns>
public static Sql <TSelected> Sql <TSelected>(Expression <Func <T, Sql <TSelected> > > expression)
{
var core = expression.Body as MemberExpression;
if (core == null)
{
var db = DBDefineAnalyzer.GetDbInfo <T>();
return(new Sql <TSelected>(ExpressionConverter.CreateCode(db, expression.Body)));
}
return(new Sql <TSelected>(core.Member.Name.ToCode()));
}
/// <summary>
/// Create a sql.
/// </summary>
/// <param name="expression">Expression expressing Sql by lambda.</param>
/// <returns>Sql.</returns>
public static Sql Sql(Expression <Func <T, Clause <Non> > > expression)
{
var db = DBDefineAnalyzer.GetDbInfo <T>();
return(new Sql(ExpressionConverter.CreateCode(db, expression.Body)));
}
/// <summary>
/// Create sql.
/// </summary>
/// <typeparam name="TResult">The type represented by expression.</typeparam>
/// <param name="expression">Expression expressing Sql by lambda.</param>
/// <returns>Sql.</returns>
public static Sql <TResult> Sql <TResult>(Expression <Func <T, TResult> > expression)
{
var db = DBDefineAnalyzer.GetDbInfo <T>();
return(new Sql <TResult>(ExpressionConverter.CreateCode(db, expression.Body)));
}