mirror of
https://github.com/featurebasedb/featurebase.git
synced 2026-08-28 02:44:59 +00:00
f030d58d95
* implemented distinct * implemented distinct * uses first cut of a buffer pool, and extendible hashing with thresholded spill to disk * tests * cleaned up some stuff around query plan output to make developing tooling easier * added optimization to call PQL Distinct() * fixed test * fix for passing wrong index name in orchestrator * back out change to DistinctTimestamp * fix other instance of wrong table name being passed * use full index name instead of abbreviated one for translation. sigh. * removed some unused code Co-authored-by: Matthew Jaffee <jaffee@pilosa.com>
21 lines
425 B
Go
21 lines
425 B
Go
package bufferpool
|
|
|
|
// DiskManager is responsible for interacting with disk
|
|
type DiskManager interface {
|
|
// reads a page from the disk
|
|
ReadPage(PageID) (*Page, error)
|
|
// writes a page to the disk
|
|
WritePage(*Page) error
|
|
|
|
// allocates a page
|
|
AllocatePage() (PageID, error)
|
|
|
|
// deallocates a page
|
|
DeallocatePage(PageID) error
|
|
|
|
// returns on disk file size
|
|
FileSize() int64
|
|
|
|
// closes and does any clean up
|
|
Close()
|
|
}
|