Cursor testing

This commit is contained in:
Howard Chu 2011-06-28 02:43:49 -07:00
parent cd57e9741f
commit 7d678832a7

View File

@ -5,19 +5,20 @@
int main(int argc,char * argv[]) int main(int argc,char * argv[])
{ {
int i = 0, rc; int i = 0, j = 0, rc;
MDB_env *env; MDB_env *env;
MDB_db *db; MDB_db *db;
MDB_val key, data; MDB_val key, data;
MDB_txn *txn; MDB_txn *txn;
MDB_stat *mst; MDB_stat *mst;
MDB_cursor *cursor;
int count; int count;
int *values; int *values;
char sval[32]; char sval[32];
srandom(time(NULL)); srandom(time(NULL));
count = random()%512; count = (random()%384) + 64;
values = (int *)malloc(count*sizeof(int)); values = (int *)malloc(count*sizeof(int));
for(i = 0;i<count;i++) { for(i = 0;i<count;i++) {
@ -34,21 +35,48 @@ int main(int argc,char * argv[])
data.mv_size = sizeof(sval); data.mv_size = sizeof(sval);
data.mv_data = sval; data.mv_data = sval;
printf("Adding %d values\n", count);
for (i=0;i<count;i++) { for (i=0;i<count;i++) {
sprintf(sval, "%03x %d foo bar", values[i], values[i]); sprintf(sval, "%03x %d foo bar", values[i], values[i]);
mdb_put(db, txn, &key, &data, 0); rc = mdb_put(db, txn, &key, &data, MDB_NOOVERWRITE);
} if (rc) j++;
}
if (j) printf("%d duplicates skipped\n", j);
rc = mdb_txn_commit(txn); rc = mdb_txn_commit(txn);
rc = mdbenv_stat(env, &mst); rc = mdbenv_stat(env, &mst);
rc = mdb_cursor_open(db, NULL, &cursor);
while (rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT) == 0) {
printf("key: %.*s, data: %.*s\n",
key.mv_size, key.mv_data, data.mv_size, data.mv_data);
}
mdb_cursor_close(cursor);
j=0;
for (i= count - 1; i > -1; i-= (random()%5)) { for (i= count - 1; i > -1; i-= (random()%5)) {
j++;
rc = mdb_txn_begin(env, 0, &txn); rc = mdb_txn_begin(env, 0, &txn);
key.mv_data = sval;
sprintf(sval, "%03x ", values[i]); sprintf(sval, "%03x ", values[i]);
rc = mdb_del(db, txn, &key, NULL); rc = mdb_del(db, txn, &key, NULL);
rc = mdb_txn_commit(txn); if (rc) {
j--;
mdb_txn_abort(txn);
} else {
rc = mdb_txn_commit(txn);
}
} }
free(values); free(values);
printf("Deleted %d values\n", j);
rc = mdbenv_stat(env, &mst); rc = mdbenv_stat(env, &mst);
rc = mdb_cursor_open(db, NULL, &cursor);
while (rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT) == 0) {
printf("key: %.*s, data: %.*s\n",
key.mv_size, key.mv_data, data.mv_size, data.mv_data);
}
mdb_cursor_close(cursor);
mdb_close(db); mdb_close(db);
mdbenv_close(env); mdbenv_close(env);