public virtual ColumnExpression AddToOrderBy(
[NotNull] IProperty property,
[NotNull] IQuerySource querySource,
OrderingDirection orderingDirection)
{
Check.NotNull(property, "property");
Check.NotNull(property, "querySource");
var columnExpression
= new ColumnExpression(property, FindTableForQuerySource(querySource).Alias);
_orderBy.Add(new Ordering(columnExpression, orderingDirection));
return columnExpression;
}
public virtual AliasExpression AddToOrderBy(
[NotNull] string column,
[NotNull] IProperty property,
[NotNull] TableExpressionBase table,
OrderingDirection orderingDirection)
{
Check.NotEmpty(column, nameof(column));
Check.NotNull(property, nameof(property));
Check.NotNull(table, nameof(table));
var columnExpression = new ColumnExpression(column, property, table);
var aliasExpression = new AliasExpression(columnExpression);
if (_orderBy.FindIndex(o => o.Expression.TryGetColumnExpression()?.Equals(columnExpression) ?? false) == -1)
{
_orderBy.Add(new Ordering(aliasExpression, orderingDirection));
}
return aliasExpression;
}
protected bool Equals(ColumnExpression other)
=> _property.Equals(other._property)
&& _tableExpression.Equals(other._tableExpression);
