left = convertJoinGroupOrUnion(left, root, doneSet, ctx);
left = convertJoinGroupOrUnion(left, root, doneSet, ctx);
convertJoinGroupOrUnion( left = convertJoinGroupOrUnion(left, subqueryRoot.getWhereClause(), new LinkedHashSet<IVariable<?>>(doneSet)/* doneSet */, ctx);
convertJoinGroupOrUnion( left = convertJoinGroupOrUnion(left, subqueryRoot.getWhereClause(), new LinkedHashSet<IVariable<?>>(doneSet)/* doneSet */, ctx);
convertJoinGroupOrUnion(null /* standalone */, subgroup, doneSet, ctx); left = convertJoinGroupOrUnion(left, subgroup, doneSet, ctx);
convertJoinGroupOrUnion(null /* standalone */, subgroup, doneSet, ctx); left = convertJoinGroupOrUnion(left, subgroup, doneSet, ctx);