public OrderedHashSet getSubqueries() {
OrderedHashSet set = null;
if (joinCondition != null) {
set = joinCondition.collectAllSubqueries(set);
}
if (rangeTable instanceof TableDerived) {
QueryExpression queryExpression = ((TableDerived) rangeTable).getQueryExpression();
if (queryExpression == null) {
Expression dataExpression = ((TableDerived) rangeTable).getDataExpression();
if (dataExpression != null) {
if (set == null) {
set = new OrderedHashSet();
}
OrderedHashSet.addAll(set, dataExpression.getSubqueries());
}
} else {
OrderedHashSet temp = queryExpression.getSubqueries();
set = OrderedHashSet.addAll(set, temp);
set = OrderedHashSet.add(set, rangeTable);
}
}
return set;
}
OrderedHashSet getSubqueries() {
OrderedHashSet set = null;
if (joinCondition != null) {
set = joinCondition.collectAllSubqueries(set);
}
if (rangeTable instanceof TableDerived) {
QueryExpression baseQueryExpression = ((TableDerived) rangeTable).getQueryExpression();
if (((TableDerived) rangeTable).view != null) {
if (set == null) {
set = new OrderedHashSet();
}
set.addAll(((TableDerived) rangeTable).view.getSubqueries());
} else if (baseQueryExpression == null) {
set = OrderedHashSet.add(set, rangeTable.getSubQuery());
} else {
OrderedHashSet temp = baseQueryExpression.getSubqueries();
set = OrderedHashSet.addAll(set, temp);
set = OrderedHashSet.add(set, rangeTable.getSubQuery());
}
}
return set;
}
SubQuery[] getSubqueries(Session session) {
OrderedHashSet subQueries = null;
for (int i = 0; i < targetRangeVariables.length; i++) {
if (targetRangeVariables[i] == null) {
continue;
}
OrderedHashSet set = targetRangeVariables[i].getSubqueries();
subQueries = OrderedHashSet.addAll(subQueries, set);
}
for (int i = 0; i < updateExpressions.length; i++) {
subQueries = updateExpressions[i].collectAllSubqueries(subQueries);
}
if (insertExpression != null) {
subQueries = insertExpression.collectAllSubqueries(subQueries);
}
if (condition != null) {
subQueries = condition.collectAllSubqueries(subQueries);
}
if (queryExpression != null) {
OrderedHashSet set = queryExpression.getSubqueries();
subQueries = OrderedHashSet.addAll(subQueries, set);
}
if (subQueries == null || subQueries.size() == 0) {
return SubQuery.emptySubqueryArray;
}
SubQuery[] subQueryArray = new SubQuery[subQueries.size()];
subQueries.toArray(subQueryArray);
ArraySort.sort(subQueryArray, 0, subQueryArray.length, subQueryArray[0]);
for (int i = 0; i < subQueryArray.length; i++) {
subQueryArray[i].prepareTable(session);
}
return subQueryArray;
}
