public override DbExpression Visit(DbCaseExpression expression)
{
EntityUtil.CheckArgumentNull(expression, "expression");
DbExpression result = expression;
IList <DbExpression> newWhens = this.VisitExpressionList(expression.When);
IList <DbExpression> newThens = this.VisitExpressionList(expression.Then);
DbExpression newElse = this.VisitExpression(expression.Else);
if (!object.ReferenceEquals(expression.When, newWhens) ||
!object.ReferenceEquals(expression.Then, newThens) ||
!object.ReferenceEquals(expression.Else, newElse))
{
result = CqtBuilder.Case(newWhens, newThens, newElse);
}
NotifyIfChanged(expression, result);
return(result);
}