#include "sync0sync.h"#include "srv0srv.h"#include "dict0dict.h"#include "row0row.h"#include "trx0sys.h"#include "trx0trx.h"#include "buf0buf.h"#include "page0page.h"#include "page0cur.h"#include "row0vers.h"#include "que0que.h"#include "btr0cur.h"#include "read0read.h"#include "log0recv.h"
Include dependency graph for lock0lock.ic:
This graph shows which files directly or indirectly include this file:
Functions | |
| UNIV_INLINE ulint | lock_rec_fold (ulint space, ulint page_no) |
| UNIV_INLINE ulint | lock_rec_hash (ulint space, ulint page_no) |
| UNIV_INLINE ulint | lock_get_min_heap_no (const buf_block_t *block) |
Detailed Description
The transaction lock system
Created 5/7/1996 Heikki Tuuri
Function Documentation
| UNIV_INLINE ulint lock_get_min_heap_no | ( | const buf_block_t * | block | ) |
Gets the heap_no of the smallest user record on a page.
- Returns
- heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM
- Parameters
-
block in: buffer block
| UNIV_INLINE ulint lock_rec_fold | ( | ulint | space, |
| ulint | page_no | ||
| ) |
Calculates the fold value of a page file address: used in inserting or searching for a lock in the hash table.
- Returns
- folded value
- Parameters
-
space in: space page_no in: page number
| UNIV_INLINE ulint lock_rec_hash | ( | ulint | space, |
| ulint | page_no | ||
| ) |
Calculates the hash value of a page file address: used in inserting or searching for a lock in the hash table.
- Returns
- hashed value
- Parameters
-
space in: space page_no in: page number
