protected override Expression VisitIndexedColumn(SqlIndexedColumnExpression expression)
{
this.hashCode ^= expression.LowercaseIndex ? -692148566 : 0;
this.hashCode ^= expression.IncludeOnly ? 558869369 : 0;
this.hashCode ^= expression.SortOrder.GetHashCode();
return(base.VisitIndexedColumn(expression));
}
protected virtual Expression VisitIndexedColumn(SqlIndexedColumnExpression indexedColumnExpression)
{
var newColumn = (SqlColumnExpression)this.Visit(indexedColumnExpression.Column);
if (newColumn != indexedColumnExpression.Column)
{
return(new SqlIndexedColumnExpression(newColumn, indexedColumnExpression.SortOrder, indexedColumnExpression.LowercaseIndex));
}
return(indexedColumnExpression);
}
protected override Expression VisitIndexedColumn(SqlIndexedColumnExpression indexedColumnExpression)
{
if (indexedColumnExpression.LowercaseIndex)
{
this.Write("(lower(");
}
this.Visit(indexedColumnExpression.Column);
if (indexedColumnExpression.LowercaseIndex)
{
this.Write("))");
}
switch (indexedColumnExpression.SortOrder)
{
case SortOrder.Descending:
this.Write(" DESC");
break;
case SortOrder.Ascending:
this.Write(" ASC");
break;
case SortOrder.Unspecified:
break;
}
return indexedColumnExpression;
}
protected override Expression VisitIndexedColumn(SqlIndexedColumnExpression expression)
{
this.hashCode ^= expression.LowercaseIndex ? -692148566 : 0;
this.hashCode ^= expression.SortOrder.GetHashCode();
return base.VisitIndexedColumn(expression);
}
protected override Expression VisitIndexedColumn(SqlIndexedColumnExpression expression)
{
SqlIndexedColumnExpression current;
if (!TryGetCurrent(expression, out current))
{
return expression;
}
if (!(this.result &= current.LowercaseIndex == expression.LowercaseIndex))
{
return expression;
}
if (!(this.result &= current.SortOrder == expression.SortOrder))
{
return expression;
}
if (!(this.result &= current.NodeType == expression.NodeType))
{
return expression;
}
if (!(this.result &= current.Type == expression.Type))
{
return expression;
}
this.currentObject = current.Column;
this.VisitColumn(expression.Column);
if (!this.result)
{
return expression;
}
this.currentObject = current;
return expression;
}
protected virtual Expression VisitIndexedColumn(SqlIndexedColumnExpression indexedColumnExpression)
{
var newColumn = (SqlColumnExpression)this.Visit(indexedColumnExpression.Column);
if (newColumn != indexedColumnExpression.Column)
{
return new SqlIndexedColumnExpression(newColumn, indexedColumnExpression.SortOrder, indexedColumnExpression.LowercaseIndex);
}
return indexedColumnExpression;
}
