Closed shanealv closed 6 years ago
Create a new class called TupleScan; this scans all columns simultaneously to return complete tuples (see the heap.Scan class for analogy)
TupleScan
heap.Scan
class TupleScan
TupleScan(Columnarfile cf)
void closetuplescan()
Closes the TupleScan object
Tuple getNext(TID tid)
Retrieve the next tuple in a sequential scan
boolean position(TID tid)
Position all scan cursors to the records with the given rids
Blocked on Issue #3 (previously also blocked on issue #2). Need the ColumnnarFile to get this one going.
Create a new class called
TupleScan
; this scans all columns simultaneously to return complete tuples (see theheap.Scan
class for analogy)Constructor Summary
Method Summary
Closes the TupleScan object
Retrieve the next tuple in a sequential scan
Position all scan cursors to the records with the given rids