public bool VisitExprOrderBy(ExprOrderBy expr, TCtx arg)
{
var res = this.Visit(expr, "OrderBy", arg, out var argOut) && this.Accept("OrderList", expr.OrderList, argOut);
this._visitor.EndVisitExpr(expr, arg);
return(res);
}
protected ISelectBuilder OrderByInternal(ExprOrderBy orderBy)
{
if (this._orderBy.HasValue)
{
throw new SqExpressException("Order has already been set");
}
this._orderBy = new OrderByStorage(null, orderBy);
return(this);
}
public void AddOrderBy_Basic()
{
var tUser = Tables.User();
var tCustomer = Tables.Customer();
var originalExpr = Select(tUser.UserId).From(tUser).Union(Select(tCustomer.UserId).From(tCustomer)).Done();
var withOrderBy = originalExpr.AddOrderBy(tUser.FirstName);
var expected = "SELECT [A0].[UserId] FROM [dbo].[user] [A0] UNION SELECT [A1].[UserId] FROM [dbo].[Customer] [A1] ORDER BY [A0].[FirstName]";
Assert.AreEqual(expected, withOrderBy.ToSql());
ExprOrderBy orderBy = tUser.FirstName;
withOrderBy = originalExpr.AddOrderBy(orderBy);
expected = "SELECT [A0].[UserId] FROM [dbo].[user] [A0] UNION SELECT [A1].[UserId] FROM [dbo].[Customer] [A1] ORDER BY [A0].[FirstName]";
Assert.AreEqual(expected, withOrderBy.ToSql());
}
public static ExprSelect WithOrderBy(this ExprSelect original, ExprOrderBy newOrderBy) => new ExprSelect(selectQuery: original.SelectQuery, orderBy: newOrderBy);
public static ExprOrderBy WithOrderList(this ExprOrderBy original, IReadOnlyList <ExprOrderByItem> newOrderList) => new ExprOrderBy(orderList: newOrderList);
public ISelectBuilder OrderBy(ExprOrderBy orderBy) => this.OrderByInternal(orderBy);
public ISelectBuilder OrderBy(ExprOrderBy orderBy)
{
return(this.OrderByInternal(orderBy));
}
public bool VisitExprOrderBy(ExprOrderBy exprOrderBy, IExpr?parent)
{
this.AcceptListComaSeparated(exprOrderBy.OrderList, exprOrderBy);
return(true);
}
public static ExprSelect AddOrderBy(this IExprSubQuery original, ExprOrderBy orderBy)
{
orderBy.OrderList.AssertNotEmpty("Order item list cannot be empty");
return(new ExprSelect(original, orderBy));
}
