private DbQuery <T> Union(DbSet <T> dbSet, DbUnionKind kind)
{
dbSet.VerifyNotNull(nameof(dbSet));
var model = _.MakeCopy(false);
var queryStatement1 = this.GetSimpleQueryStatement();
var queryStatement2 = dbSet.GetSimpleQueryStatement();
return(new DbQuery <T>(model, DbSession, new DbUnionStatement(model, queryStatement1, queryStatement2, kind)));
}
internal DbUnionStatement(Model model, DbQueryStatement query1, DbQueryStatement query2, DbUnionKind kind)
: base(model)
{
Debug.Assert(query1 != null);
Debug.Assert(query2 != null);
Query1 = query1;
Query2 = query2;
Kind = kind;
}