Uses of Class
edu.caltech.nanodb.storage.FilePointer

Packages that use FilePointer

Package	Description
edu.caltech.nanodb.expressions	This package contains classes for representing and evaluating arithmetic and logical expressions.
edu.caltech.nanodb.plannodes	This package contains classes for representing query execution plans, as well as analyzing their costs.
edu.caltech.nanodb.relations	This package contains the basic data-types for representing relations in NanoDB.
edu.caltech.nanodb.storage	This package contains the classes for the Storage Manager, which is responsible for how data is stored in and retrieved from database files.
edu.caltech.nanodb.storage.heapfile	This package provides a naive implementation of the heap file organization for NanoDB.

Uses of FilePointer in edu.caltech.nanodb.expressions

Methods in edu.caltech.nanodb.expressions that return FilePointer

Modifier and Type	Method	Description
FilePointer	TupleLiteral.getExternalReference()	This method returns an external reference to the tuple, which can be stored and used to look up this tuple.

Uses of FilePointer in edu.caltech.nanodb.plannodes

Fields in edu.caltech.nanodb.plannodes declared as FilePointer

Modifier and Type	Field	Description
private FilePointer	FileScanNode.markedTuple	This field allows the file-scan node to mark a particular tuple in the tuple-stream and then rewind to that point in the tuple-stream.

Uses of FilePointer in edu.caltech.nanodb.relations

Methods in edu.caltech.nanodb.relations that return FilePointer

Modifier and Type	Method	Description
FilePointer	Tuple.getExternalReference()	This method returns an external reference to the tuple, which can be stored and used to look up this tuple.

Uses of FilePointer in edu.caltech.nanodb.storage

Fields in edu.caltech.nanodb.storage declared as FilePointer

Modifier and Type	Field	Description
static FilePointer	FilePointer.ZERO_FILE_POINTER

Methods in edu.caltech.nanodb.storage that return FilePointer

Modifier and Type	Method	Description
FilePointer	PageTuple.getExternalReference()	This method returns an external reference to the tuple, which can be stored and used to look up this tuple.

Methods in edu.caltech.nanodb.storage with parameters of type FilePointer

Modifier and Type	Method	Description
int	FilePointer.compareTo(FilePointer filePointer)
Tuple	TupleFile.getTuple(FilePointer fptr)	Returns the tuple corresponding to the specified file pointer.

Uses of FilePointer in edu.caltech.nanodb.storage.heapfile

Methods in edu.caltech.nanodb.storage.heapfile that return FilePointer

Modifier and Type	Method	Description
FilePointer	HeapFilePageTuple.getExternalReference()	This method returns an external reference to the tuple, which references the page number and slot-offset of the tuple.

Methods in edu.caltech.nanodb.storage.heapfile with parameters of type FilePointer

Modifier and Type	Method	Description
Tuple	HeapTupleFile.getTuple(FilePointer fptr)	Returns the tuple corresponding to the specified file pointer.