Updated: 2022/Sep/29
Please read Privacy Policy. It's for your privacy.
SQLITE_STATUS_MEMORY_USED(3) Library Functions Manual
NAME
SQLITE_STATUS_MEMORY_USED, SQLITE_STATUS_PAGECACHE_USED,
SQLITE_STATUS_PAGECACHE_OVERFLOW, SQLITE_STATUS_SCRATCH_USED,
SQLITE_STATUS_SCRATCH_OVERFLOW, SQLITE_STATUS_MALLOC_SIZE,
SQLITE_STATUS_PARSER_STACK, SQLITE_STATUS_PAGECACHE_SIZE,
SQLITE_STATUS_SCRATCH_SIZE, SQLITE_STATUS_MALLOC_COUNT - status
parameters
SYNOPSIS
#include <sqlite3.h>
#define SQLITE_STATUS_MEMORY_USED
#define SQLITE_STATUS_PAGECACHE_USED
#define SQLITE_STATUS_PAGECACHE_OVERFLOW
#define SQLITE_STATUS_SCRATCH_USED
#define SQLITE_STATUS_SCRATCH_OVERFLOW
#define SQLITE_STATUS_MALLOC_SIZE
#define SQLITE_STATUS_PARSER_STACK
#define SQLITE_STATUS_PAGECACHE_SIZE
#define SQLITE_STATUS_SCRATCH_SIZE
#define SQLITE_STATUS_MALLOC_COUNT
DESCRIPTION
These integer constants designate various run-time status parameters that
can be returned by sqlite3_status().
SQLITE_STATUS_MEMORY_USED
This parameter is the current amount of memory checked out using
sqlite3_malloc(), either directly or indirectly. The figure
includes calls made to sqlite3_malloc() by the application and
internal memory usage by the SQLite library. Auxiliary page-
cache memory controlled by SQLITE_CONFIG_PAGECACHE is not
included in this parameter. The amount returned is the sum of
the allocation sizes as reported by the xSize method in
sqlite3_mem_methods.
SQLITE_STATUS_MALLOC_SIZE
This parameter records the largest memory allocation request
handed to sqlite3_malloc() or sqlite3_realloc() (or their
internal equivalents). Only the value returned in the
*pHighwater parameter to sqlite3_status() is of interest. The
value written into the *pCurrent parameter is undefined.
SQLITE_STATUS_MALLOC_COUNT
This parameter records the number of separate memory allocations
currently checked out.
SQLITE_STATUS_PAGECACHE_USED
This parameter returns the number of pages used out of the
pagecache memory allocator that was configured using
SQLITE_CONFIG_PAGECACHE. The value returned is in pages, not in
bytes.
SQLITE_STATUS_PAGECACHE_OVERFLOW
This parameter returns the number of bytes of page cache
allocation which could not be satisfied by the
SQLITE_CONFIG_PAGECACHE buffer and where forced to overflow to
sqlite3_malloc(). The returned value includes allocations that
overflowed because they where too large (they were larger than
the "sz" parameter to SQLITE_CONFIG_PAGECACHE) and allocations
that overflowed because no space was left in the page cache.
SQLITE_STATUS_PAGECACHE_SIZE
This parameter records the largest memory allocation request
handed to the pagecache memory allocator. Only the value
returned in the *pHighwater parameter to sqlite3_status() is of
interest. The value written into the *pCurrent parameter is
undefined.
SQLITE_STATUS_SCRATCH_USED
No longer used.
SQLITE_STATUS_SCRATCH_OVERFLOW
No longer used.
SQLITE_STATUS_SCRATCH_SIZE
No longer used.
SQLITE_STATUS_PARSER_STACK
The *pHighwater parameter records the deepest parser stack. The
*pCurrent value is undefined. The *pHighwater value is only
meaningful if SQLite is compiled with YYTRACKMAXSTACKDEPTH.
New status parameters may be added from time to time.
IMPLEMENTATION NOTES
These declarations were extracted from the interface documentation at
line 8437.
#define SQLITE_STATUS_MEMORY_USED 0
#define SQLITE_STATUS_PAGECACHE_USED 1
#define SQLITE_STATUS_PAGECACHE_OVERFLOW 2
#define SQLITE_STATUS_SCRATCH_USED 3 /* NOT USED */
#define SQLITE_STATUS_SCRATCH_OVERFLOW 4 /* NOT USED */
#define SQLITE_STATUS_MALLOC_SIZE 5
#define SQLITE_STATUS_PARSER_STACK 6
#define SQLITE_STATUS_PAGECACHE_SIZE 7
#define SQLITE_STATUS_SCRATCH_SIZE 8 /* NOT USED */
#define SQLITE_STATUS_MALLOC_COUNT 9
SEE ALSO
sqlite3_malloc(3), sqlite3_mem_methods(3), sqlite3_status(3),
SQLITE_CONFIG_SINGLETHREAD(3)
NetBSD 10.99 August 24, 2023 NetBSD 10.99