void materializeSubQueries(Session session) {
HashSet subqueryPopFlags = new HashSet();
for (int i = 0; i < subqueries.length; i++) {
SubQuery sq = subqueries[i];
// VIEW working tables may be reused in a single query but they are filled only once
if (!subqueryPopFlags.add(sq)) {
continue;
}
if (!sq.isCorrelated()) {
sq.materialise(session);
}
}
}
public void materialiseCorrelated(Session session) {
if (isCorrelated) {
materialise(session);
}
}