internal override SqlRow VisitRow(SqlRow row)
{
foreach (SqlColumn column in row.Columns)
{
column.Alias = this.alias;
}
return(base.VisitRow(row));
}
internal override SqlRow VisitRow(SqlRow row)
{
SqlRow row2 = new SqlRow(row.SourceExpression);
foreach (SqlColumn column in row.Columns)
{
row2.Columns.Add((SqlColumn)this.Visit(column));
}
return(row2);
}
internal virtual SqlRow VisitRow(SqlRow row)
{
int num = 0;
int count = row.Columns.Count;
while (num < count)
{
row.Columns[num].Expression = this.VisitExpression(row.Columns[num].Expression);
num++;
}
return(row);
}
private void ConvertColumnsToMax(SqlSelect select, out bool changed, out bool containsLongExpressions)
{
SqlRow row = select.Row;
changed = false;
containsLongExpressions = false;
foreach (SqlColumn column in row.Columns)
{
bool flag;
containsLongExpressions = containsLongExpressions || column.SqlType.IsLargeType;
column.Expression = this.ConvertToMax(column.Expression, out flag);
changed = changed || flag;
}
}
internal override SqlSelect VisitSelect(SqlSelect select)
{
SqlSource from = this.VisitSource(select.From);
List <SqlExpression> collection = null;
if (select.GroupBy.Count > 0)
{
collection = new List <SqlExpression>(select.GroupBy.Count);
foreach (SqlExpression expression in select.GroupBy)
{
collection.Add((SqlExpression)this.Visit(expression));
}
}
SqlExpression expression2 = (SqlExpression)this.Visit(select.Having);
List <SqlOrderExpression> list2 = null;
if (select.OrderBy.Count > 0)
{
list2 = new List <SqlOrderExpression>(select.OrderBy.Count);
foreach (SqlOrderExpression expression3 in select.OrderBy)
{
SqlOrderExpression item = new SqlOrderExpression(expression3.OrderType, (SqlExpression)this.Visit(expression3.Expression));
list2.Add(item);
}
}
SqlExpression expression5 = (SqlExpression)this.Visit(select.Top);
SqlExpression expression6 = (SqlExpression)this.Visit(select.Where);
SqlRow row = (SqlRow)this.Visit(select.Row);
SqlSelect select2 = new SqlSelect(this.VisitExpression(select.Selection), from, select.SourceExpression);
if (collection != null)
{
select2.GroupBy.AddRange(collection);
}
select2.Having = expression2;
if (list2 != null)
{
select2.OrderBy.AddRange(list2);
}
select2.OrderingType = select.OrderingType;
select2.Row = row;
select2.Top = expression5;
select2.IsDistinct = select.IsDistinct;
select2.IsPercent = select.IsPercent;
select2.Where = expression6;
select2.DoNotOutput = select.DoNotOutput;
return(select2);
}
// Methods
internal SelectionFlattener(SqlRow row, Dictionary <SqlColumn, SqlColumn> map, bool isInput)
{
this.row = row;
this.map = map;
this.isInput = isInput;
}
private SqlExpression FlattenSelection(SqlRow row, bool isInput, SqlExpression selection)
{
selection = this.columnizer.ColumnizeSelection(selection);
return(new SelectionFlattener(row, this.map, isInput).VisitExpression(selection));
}
