public override void VisitUnionOperator(UnionOperator node)
{
base.VisitUnionOperator(node);
// union operator expressions are all tables.. they don't refer to row scope columns
_binder._rowScope = null;
}
public override void VisitUnionOperator(UnionOperator node)
{
var oldRowScope = _binder._rowScope;
try
{
// union operator expressions do not bind to row scope columns (they are only tables)
base.VisitUnionOperator(node);
}
finally
{
_binder._rowScope = oldRowScope;
}
}
public override Geometry Union(Geometry other)
{
switch (other)
{
case Point point:
return(UnionOperator.Union(this, point));
case MultiPoint multiPoint:
return(UnionOperator.Union(this, multiPoint));
default:
throw new Exception("Not supported type!");
}
}
public override T VisitUnionOperator(UnionOperator node)
{
throw new NotImplementedException();
}
