protected virtual void VisitRowNumber(IWindowFunctionBuilder expression)
{
this.Builder.AppendFormat(
"{0}{1}{2} ",
this.Dialect.ROW_NUMBER,
this.Dialect.OPEN_PARENTHESES,
this.Dialect.CLOSE_PARENTHESES
);
this.Builder.AppendFormat(
"{0}{1} ",
this.Dialect.OVER,
this.Dialect.OPEN_PARENTHESES
);
if (expression.Expressions.Any())
{
this.AddRenderContext(RenderHints.FunctionArgument);
try
{
this.Visit(expression.Expressions);
}
finally
{
this.RemoveRenderContext();
}
}
this.Builder.AppendFormat("{0} ", this.Dialect.CLOSE_PARENTHESES);
}
protected virtual void VisitWindowFunction(IWindowFunctionBuilder expression)
{
var handler = default(SqlQueryWriterVisitorHandler);
if (!WindowFunctions.TryGetValue(expression.Function, out handler))
{
throw new NotImplementedException();
}
handler(this, expression);
}
protected override void VisitWindowFunction(IWindowFunctionBuilder expression)
{
base.VisitWindowFunction(expression);
this.VisitAlias(expression.Alias);
}
