mirror of
https://github.com/isar/libmdbx.git
synced 2024-12-30 03:44:13 +08:00
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/*
|
|
* @Dvirsw (https://t.me/Dvirsw)
|
|
* I think there is a bug with DUPFIXED. The following code fails.
|
|
*
|
|
* https://t.me/libmdbx/5368
|
|
*/
|
|
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
|
|
#include "mdbx.h"
|
|
#include <assert.h>
|
|
#include <inttypes.h>
|
|
#include <limits.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
int main() {
|
|
int rc;
|
|
MDBX_env *env = NULL;
|
|
MDBX_dbi dbi = 0;
|
|
MDBX_val key, data;
|
|
MDBX_txn *txn = NULL;
|
|
|
|
rc = mdbx_env_create(&env);
|
|
if (rc != MDBX_SUCCESS) {
|
|
fprintf(stderr, "mdbx_env_create: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
rc = mdbx_env_set_maxdbs(env, 1);
|
|
if (rc != MDBX_SUCCESS) {
|
|
fprintf(stderr, "mdbx_env_create: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
rc = mdbx_env_open(env, "./example-db", MDBX_NOSUBDIR | MDBX_LIFORECLAIM,
|
|
0664);
|
|
if (rc != MDBX_SUCCESS) {
|
|
fprintf(stderr, "mdbx_env_open: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
rc = mdbx_txn_begin(env, NULL, 0, &txn);
|
|
if (rc != MDBX_SUCCESS) {
|
|
fprintf(stderr, "mdbx_txn_begin: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
rc = mdbx_dbi_open(txn, "test", MDBX_DUPSORT | MDBX_DUPFIXED | MDBX_CREATE,
|
|
&dbi);
|
|
if (rc != MDBX_SUCCESS) {
|
|
fprintf(stderr, "mdbx_dbi_open: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
char key_bytes[32] = {0};
|
|
key.iov_len = 32;
|
|
key.iov_base = key_bytes;
|
|
|
|
// Another put after this will fail.
|
|
unsigned char idx;
|
|
for (idx = 0; idx < 129; idx++) {
|
|
char data_bytes[15] = {idx};
|
|
data.iov_len = 15;
|
|
data.iov_base = data_bytes;
|
|
rc = mdbx_put(txn, dbi, &key, &data, 0);
|
|
if (rc != MDBX_SUCCESS) {
|
|
fprintf(stderr, "mdbx_put: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
// This will fail and exit.
|
|
char data_bytes[15] = {idx};
|
|
data.iov_len = 15;
|
|
data.iov_base = data_bytes;
|
|
rc = mdbx_put(txn, dbi, &key, &data, 0);
|
|
if (rc != MDBX_SUCCESS) {
|
|
fprintf(stderr, "mdbx_put: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
fprintf(stderr, "expected failure\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
rc = mdbx_txn_commit(txn);
|
|
if (rc) {
|
|
fprintf(stderr, "mdbx_txn_commit: (%d) %s\n", rc, mdbx_strerror(rc));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|