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NCBI C++ ToolKit: src/util/lmdb/mdb_stat.c Source File

printf(

,

->ms_psize);

printf(

,

->ms_depth);

printf(

,

->ms_branch_pages);

printf(

,

->ms_leaf_pages);

printf(

,

->ms_overflow_pages);

printf(

,

->ms_entries);

fprintf(stderr,

,

);

(

argc,

*argv[])

*

= argv[0];

alldbs = 0, envinfo = 0, envflags = 0, freinfo = 0, rdrinfo = 0;

((

=

(argc, argv,

)) != EOF) {

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

printf(

);

printf(

, mei.

);

printf(

, mst.

);

printf(

, mei.

+1);

printf(

, mei.

);

printf(

);

printf(

, dead);

(!(

|| alldbs || freinfo))

fprintf(stderr,

, rc,

(rc));

pages = 0, *iptr;

printf(

);

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

iptr =

.mv_data;

(

= j,

= 1; --

>= 0; ) {

bad =

;

(;

>= span && iptr[

-span] == pg; span++, pg++) ;

printf(

,

*(

*)

.mv_data, j, span, bad);

(--j; j >= 0; ) {

(span=1; --j >= 0 && iptr[j] == pg+span; span++) ;

printf(span>1 ?

:

,

printf(

, pages);

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

(memchr(

.mv_data,

,

.mv_size))

memcpy(

,

.mv_data,

.mv_size);

[

.mv_size] =

;

printf(

,

);

fprintf(stderr,

, rc,

(rc));

static DLIST_TYPE *DLIST_NAME() prev(DLIST_LIST_TYPE *list, DLIST_TYPE *item)

static const char * str(char *buf, int n)

#define MDB_VERSION_STRING

The full library version as a C string.

#define MDB_NOTFOUND

key/data pair not found (EOF)

#define MDB_SUCCESS

Successful result.

int() MDB_msg_func(const char *msg, void *ctx)

A callback function used to print a message from the library.

int mdb_env_info(MDB_env *env, MDB_envinfo *stat)

Return information about the LMDB environment.

int mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode)

Open an environment handle.

int mdb_reader_check(MDB_env *env, int *dead)

Check for stale entries in the reader lock table.

void mdb_env_close(MDB_env *env)

Close the environment and release the memory map.

int mdb_cursor_get(MDB_cursor *cursor, MDB_val *key, MDB_val *data, MDB_cursor_op op)

Retrieve by cursor.

void mdb_txn_abort(MDB_txn *txn)

Abandon all the operations of the transaction instead of saving them.

int mdb_reader_list(MDB_env *env, MDB_msg_func *func, void *ctx)

Dump the entries in the reader lock table.

char * mdb_strerror(int err)

Return a string describing a given error code.

int mdb_cursor_open(MDB_txn *txn, MDB_dbi dbi, MDB_cursor **cursor)

Create a cursor handle.

int mdb_env_set_maxdbs(MDB_env *env, MDB_dbi dbs)

Set the maximum number of named databases for the environment.

int mdb_env_create(MDB_env **env)

Create an LMDB environment handle.

#define mdb_open(txn, name, flags, dbi)

Compat with version <= 0.9.4, avoid clash with libmdb from MDB Tools project.

#define mdb_close(env, dbi)

Compat with version <= 0.9.4, avoid clash with libmdb from MDB Tools project.

void mdb_cursor_close(MDB_cursor *cursor)

Close a cursor handle.

int mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **txn)

Create a transaction for use with the environment.

int mdb_stat(MDB_txn *txn, MDB_dbi dbi, MDB_stat *stat)

Retrieve statistics for a database.

int mdb_env_stat(MDB_env *env, MDB_stat *stat)

Return statistics about the LMDB environment.

@ MDB_NEXT_NODUP

Position at first data item of next key.

@ MDB_NEXT

Position at next data item.

#define MDB_NOSUBDIR

no environment directory

#define MDB_RDONLY

read only

unsigned int me_maxreaders

max reader slots in the environment

size_t me_mapsize

Size of the data memory map.

size_t me_last_txnid

ID of the last committed transaction.

unsigned int ms_psize

Size of a database page.

void * me_mapaddr

Address of map, if fixed.

unsigned int me_numreaders

max reader slots used in the environment

size_t me_last_pgno

ID of the last used page.

unsigned int MDB_dbi

A handle for an individual database in the DB environment.

int main(int argc, char *argv[])

static void prstat(MDB_stat *ms)

static void usage(char *prog)

static void env_close(MDB_env *env) noexcept

static void txn_abort(MDB_txn *txn) noexcept

const struct ncbi::grid::netcache::search::fields::KEY key

static SLJIT_INLINE sljit_ins ms(sljit_gpr r, sljit_s32 d, sljit_gpr x, sljit_gpr b)

Cursors are used for all DB operations.

The database environment.

Information about the environment.

Statistics for a database in the environment.

Generic structure used for passing keys and data in and out of the database.

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