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More subDBs, compiles now

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This commit is contained in:
Howard Chu 2011-08-03 01:41:54 -07:00
parent cb45191793
commit f89d0cc4b7
4 changed files with 264 additions and 226 deletions
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455
libraries/libmdb/mdb.c
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File diff suppressed because it is too large Load Diff

2
libraries/libmdb/mdb.h
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@ -71,7 +71,7 @@ void mdb_txn_abort(MDB_txn *txn);
int mdb_open(MDB_txn *txn, const char *name, unsigned int flags, MDB_dbi *dbi);
int mdb_stat(MDB_txn *txn, MDB_dbi dbi, MDB_stat *stat);
void mdb_close(MDB_txn *txn, MDB_dbi dbi);
void mdb_close(MDB_env *env, MDB_dbi dbi);
int mdb_get(MDB_txn *txn, MDB_dbi dbi, MDB_val *key, MDB_val *data);
int mdb_put(MDB_txn *txn, MDB_dbi dbi, MDB_val *key, MDB_val *data,

15
libraries/libmdb/mdb_stat.c
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@ -7,7 +7,8 @@ int main(int argc,char * argv[])
{
int rc;
MDB_env *env;
MDB_db *db;
MDB_txn *txn;
MDB_dbi dbi;
MDB_stat mst;
char *envname = argv[1];
char *subname = NULL;
@ -21,20 +22,26 @@ int main(int argc,char * argv[])
printf("mdbenv_open failed, error %d\n", rc);
exit(1);
}
rc = mdb_open(env, NULL, NULL, 0, &db);
rc = mdb_txn_begin(env, 1, &txn);
if (rc) {
printf("mdb_txn_begin failed, error %d\n", rc);
exit(1);
}
rc = mdb_open(txn, subname, 0, &dbi);
if (rc) {
printf("mdb_open failed, error %d\n", rc);
exit(1);
}
rc = mdb_stat(db, &mst);
rc = mdb_stat(txn, dbi, &mst);
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("Entries: %lu\n", mst.ms_entries);
mdb_close(db);
mdb_txn_abort(txn);
mdb_close(env, dbi);
mdbenv_close(env);
return 0;

18
libraries/libmdb/mtest.c
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@ -8,7 +8,7 @@ int main(int argc,char * argv[])
{
int i = 0, j = 0, rc;
MDB_env *env;
MDB_db *db;
MDB_dbi dbi;
MDB_val key, data;
MDB_txn *txn;
MDB_stat mst;
@ -30,7 +30,7 @@ int main(int argc,char * argv[])
rc = mdbenv_set_mapsize(env, 10485760);
rc = mdbenv_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664);
rc = mdb_txn_begin(env, 0, &txn);
rc = mdb_open(env, txn, NULL, 0, &db);
rc = mdb_open(txn, NULL, 0, &dbi);
key.mv_size = sizeof(int);
key.mv_data = sval;
@ -40,20 +40,22 @@ int main(int argc,char * argv[])
printf("Adding %d values\n", count);
for (i=0;i<count;i++) {
sprintf(sval, "%03x %d foo bar", values[i], values[i]);
rc = mdb_put(db, txn, &key, &data, MDB_NOOVERWRITE);
rc = mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE);
if (rc) j++;
}
if (j) printf("%d duplicates skipped\n", j);
rc = mdb_txn_commit(txn);
rc = mdbenv_stat(env, &mst);
rc = mdb_cursor_open(db, NULL, &cursor);
rc = mdb_txn_begin(env, 1, &txn);
rc = mdb_cursor_open(txn, dbi, &cursor);
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
key.mv_data, (int) key.mv_size, (char *) key.mv_data,
data.mv_data, (int) data.mv_size, (char *) data.mv_data);
}
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
j=0;
key.mv_data = sval;
@ -62,7 +64,7 @@ int main(int argc,char * argv[])
txn=NULL;
rc = mdb_txn_begin(env, 0, &txn);
sprintf(sval, "%03x ", values[i]);
rc = mdb_del(db, txn, &key, NULL);
rc = mdb_del(txn, dbi, &key, NULL);
if (rc) {
j--;
mdb_txn_abort(txn);
@ -74,7 +76,8 @@ int main(int argc,char * argv[])
printf("Deleted %d values\n", j);
rc = mdbenv_stat(env, &mst);
rc = mdb_cursor_open(db, NULL, &cursor);
rc = mdb_txn_begin(env, 1, &txn);
rc = mdb_cursor_open(txn, dbi, &cursor);
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
@ -123,8 +126,9 @@ int main(int argc,char * argv[])
}
#endif
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
mdb_close(db);
mdb_close(env, dbi);
mdbenv_close(env);
return 0;