Field key
BPlusTreePageId leftChild
BPlusTreePageId rightChild
RecordId rid
boolean isOpen
TransactionId tid
TupleDesc myTd
IndexPredicate ipred
java.lang.String tablename
java.lang.String alias
JoinPredicate pred
DbIterator child1
DbIterator child2
TupleDesc comboTD
java.util.HashMap<K,V> map
Predicate.Op op
Field fieldvalue
Tuple next
boolean open
int estimatedCardinality
DbIterator child
TupleDesc td
java.util.ArrayList<E> childTups
int orderByField
java.lang.String orderByFieldName
java.util.Iterator<E> it
boolean asc
DbIterator child
TupleDesc td
java.util.ArrayList<E> outFieldIds
TransactionId tid
Type fieldType
java.lang.String fieldName
java.util.Iterator<E> i
TupleDesc td
java.lang.Iterable<T> tuples