public SelectStatement(ITagMapping tag): base(tag)
{
SelectList = new ExpressionCollection();
_IsDistinct = false;
_SelectedAllColumns = false;
_Limit = 0;
_Offset = 0;
_FromClause = new FromClause();
_WhereClause = new WhereClause(BinaryLogicOperator.And);
_OrderByClause = new OrderByClause(this);
}
public DeleteCommand(ITagMapping tag, string table_name, WhereClause condition): base (tag, table_name)
{
_Condition = condition;
}
public virtual void Visit(WhereClause whereClause)
{
if (whereClause.SearchCondition.Count != 0)
{
_Query.Append(WHERE);
foreach(ILogicExpression exp in whereClause.SearchCondition)
{
_Query.Append(OPENBRACE);
exp.Accept(this);
_Query.Append(CLOSEBRACE);
if (whereClause.SearchCondition.IndexOf(exp) != whereClause.SearchCondition.Count - 1)
Visit(whereClause.DefaultOperator);
}
}
}