A B C D E F G H I J K L M N O P R S T U V W

P

Page - Class in global

Lowest-level view of a disk page.

Page() - Constructor for class global.Page

Default constructor; creates a blank page.

Page(byte[]) - Constructor for class global.Page

Constructor that wraps the given byte array.

PAGE_SIZE - Static variable in interface global.GlobalConst

Size of a page, in bytes.

PageId - Class in global

Although a PageId is simply an integer, wrapping it provides convenient methods and allows returning it via method parameters.

PageId() - Constructor for class global.PageId

Default constructor.

PageId(int) - Constructor for class global.PageId

Constructs a PageId from the given value.

pageno - Variable in class global.RID

The record's page number.

pid - Variable in class global.PageId

The actual page id value.

PIN_DISKIO - Static variable in interface global.GlobalConst

Replace an existing memory page with the current disk page.

PIN_MEMCPY - Static variable in interface global.GlobalConst

Replace the buffer frame with an existing memory page.

pinPage(PageId, Page, boolean) - Method in class bufmgr.BufMgr

Pins a disk page into the buffer pool.

Predicate - Class in relop

Internal representation of simple SQL expressions.

Predicate(int, int, Object, int, Object) - Constructor for class relop.Predicate

Constructs a predicate, given the expression.

print() - Method in class heap.HFPage

Prints the contents of a heap file page.

print() - Method in class relop.Schema

Prints the schema (i.e.

print() - Method in class relop.Tuple

Prints the tuple in a human-readable format.

print_space_map() - Method in class diskmgr.DiskMgr

Print out the database's space map, a bitmap showing which pages are currently allocated.

printSummary() - Method in class index.HashIndex

Prints a high-level view of the directory, namely which buckets are allocated and how many entries are stored in each one.

Projection - Class in relop

The projection operator extracts columns from a relation; unlike in relational algebra, this operator does NOT eliminate duplicate tuples.

Projection(Iterator, Integer...) - Constructor for class relop.Projection

Constructs a projection, given the underlying iterator and field numbers.