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Return statistics for a DB

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Eventually this will have to grow up to be like BDB db_stat...
This commit is contained in:
Howard Chu 2011-06-28 00:16:05 -07:00
parent a2de260fb3
commit 11e80dae63
1 changed files with 43 additions and 0 deletions
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43
libraries/libmdb/mdb_stat.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "mdb.h"
int main(int argc,char * argv[])
{
int i = 0, rc;
MDB_env *env;
MDB_db *db;
MDB_stat *mst;
char *envname = argv[1];
char *subname = NULL;
if (argc > 2)
subname = argv[2];
rc = mdbenv_create(&env, 0);
rc = mdbenv_open(env, envname, MDB_RDONLY, 0);
if (rc) {
printf("mdbenv_open failed, error %d\n", rc);
exit(1);
}
rc = mdb_open(env, NULL, NULL, 0, &db);
if (rc) {
printf("mdb_open failed, error %d\n", rc);
exit(1);
}
rc = mdb_stat(db, &mst);
printf("Created at %s", ctime(&mst->ms_created_at));
printf("Page size: %u\n", mst->ms_psize);
printf("Tree depth: %u\n", mst->ms_depth);
printf("Branch pages: %lu\n", mst->ms_branch_pages);
printf("Leaf pages: %lu\n", mst->ms_leaf_pages);
printf("Overflow pages: %lu\n", mst->ms_overflow_pages);
printf("Revisions: %lu\n", mst->ms_revisions);
printf("Entries: %lu\n", mst->ms_entries);
mdb_close(db);
mdbenv_close(env);
return 0;
}