public Node ExprComp()
{
var node = ExprRel();
while (CurrentToken == TokenCategory.EQUALS || CurrentToken == TokenCategory.NOTEQUALS)
{
if (CurrentToken == TokenCategory.EQUALS)
{
var node_eq = new EqualTo();
node_eq.AnchorToken = Expect(TokenCategory.EQUALS);
node_eq.Add(node);
node_eq.Add(ExprRel());
node = node_eq;
}
else
{
var node_neq = new NotEqualTo();
node_neq.AnchorToken = Expect(TokenCategory.NOTEQUALS);
node_neq.Add(node);
node_neq.Add(ExprRel());
node = node_neq;
}
}
return(node);
}
public DBQuery WhereEqualTo(string column, object value)
{
EqualTo.Add(column, value); return(this);
}