public virtual string GetSql(SqlTable table, ref int offset)
{
if (!IsComplete)
{
throw new InvalidOperationException("invalid query");
}
StringBuilder buf = new StringBuilder();
int sz = constraints.Count;
if (sz > 0)
{
buf.Append("where");
}
for (int i = 0; i < sz; i++)
{
if (i > 0)
{
string op = operators[i - 1];
buf.Append(" ").Append(op);
}
SqlConstraint constraint = constraints[i];
string sql = constraint.GetSql(table, ref offset);
buf.Append(" ").Append(sql);
}
sz = orders.Count;
if (sz > 0)
{
buf.Append(" order by ");
for (int i = 0; i < sz; i++)
{
if (i > 0)
{
buf.Append(",");
}
SqlOrder order = orders[i];
string sql = order.GetSql(table);
buf.Append(sql);
}
}
return(buf.ToString());
}
protected void AddConstraint(string op, object val)
{
SqlConstraint c = new SqlConstraint(pending, op, val);
AddConstraint(c);
}
protected void AddConstraint(SqlConstraint c)
{
ErrorIfNotPending();
constraints.Add(c);
pending = null;
}