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mdbx: исправление наследования dbi-хендла открытого в дочерней транзакции без изменения данных.

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Леонид Юрьев (Leonid Yuriev) 2025-03-02 01:05:32 +03:00
parent 1ec13c63ab
commit 90635e7248
1 changed files with 17 additions and 8 deletions
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25
src/api-txn.c
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@ -453,20 +453,29 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
eASSERT(env, dpl_check(txn));
if (txn->tw.dirtylist->length == 0 && !(txn->flags & MDBX_TXN_DIRTY) && parent->n_dbi == txn->n_dbi) {
TXN_FOREACH_DBI_ALL(txn, i) {
tASSERT(txn, (txn->dbi_state[i] & DBI_DIRTY) == 0);
if ((txn->dbi_state[i] & DBI_STALE) && !(parent->dbi_state[i] & DBI_STALE))
tASSERT(txn, memcmp(&parent->dbs[i], &txn->dbs[i], sizeof(tree_t)) == 0);
}
/* fast completion of pure nested transaction */
VERBOSE("fast-complete pure nested txn %" PRIaTXN, txn->txnid);
tASSERT(txn, memcmp(&parent->geo, &txn->geo, sizeof(parent->geo)) == 0);
tASSERT(txn, memcmp(&parent->canary, &txn->canary, sizeof(parent->canary)) == 0);
tASSERT(txn, !txn->tw.spilled.list || MDBX_PNL_GETSIZE(txn->tw.spilled.list) == 0);
tASSERT(txn, txn->tw.loose_count == 0);
/* fast completion of pure nested transaction */
VERBOSE("fast-complete pure nested txn %" PRIaTXN, txn->txnid);
end_mode = TXN_END_PURE_COMMIT | TXN_END_SLOT | TXN_END_FREE;
/* Update parent's DBs array */
eASSERT(env, parent->n_dbi == txn->n_dbi);
TXN_FOREACH_DBI_ALL(txn, dbi) {
tASSERT(txn, (txn->dbi_state[dbi] & (DBI_CREAT | DBI_DIRTY)) == 0);
if (txn->dbi_state[dbi] & DBI_FRESH) {
parent->dbs[dbi] = txn->dbs[dbi];
/* preserve parent's status */
const uint8_t state = txn->dbi_state[dbi] | DBI_FRESH;
DEBUG("dbi %zu dbi-state %s 0x%02x -> 0x%02x", dbi, (parent->dbi_state[dbi] != state) ? "update" : "still",
parent->dbi_state[dbi], state);
parent->dbi_state[dbi] = state;
}
}
txn_done_cursors(txn, true);
end_mode = TXN_END_PURE_COMMIT | TXN_END_SLOT | TXN_END_FREE | TXN_END_EOTDONE;
goto done;
}