public SqlSelectStatement()
{
IsDistinct = false;
OutputColumnsRenamed = false;
OutputColumns = null;
AllJoinExtents = null;
FromExtents = new List <Symbol>();
OuterExtents = new Dictionary <Symbol, bool>();
Top = new TopClause();
Select = new SelectColumnList();
From = new SqlBuilder();
Where = new SqlBuilder();
GroupBy = new SqlBuilder();
OrderBy = new SqlBuilder();
IsTopMost = false;
}
internal void SetTopClause(TopClause topClause)
{
TopCount = topClause.TopCount;
SkipCount = topClause.SkipCount;
}