protected virtual DbSortClause VisitSortClause(DbSortClause clause)
{
var result = clause;
if (clause != null)
{
var newExpression = VisitExpression(clause.Expression);
if (!ReferenceEquals(clause.Expression, newExpression))
{
if (!string.IsNullOrEmpty(clause.Collation))
{
result = (clause.Ascending
? CqtBuilder.ToSortClause(newExpression, clause.Collation)
: CqtBuilder.ToSortClauseDescending(newExpression, clause.Collation));
}
else
{
result = (clause.Ascending
? CqtBuilder.ToSortClause(newExpression)
: CqtBuilder.ToSortClauseDescending(newExpression));
}
}
}
return(result);
}