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mdbx: явное обноление txn и dbi_state у вложенных курсоров для вложенных транзакций.

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Леонид Юрьев (Leonid Yuriev) 2024-05-18 13:12:08 +03:00
parent dd9ba2c769
commit a5ed725ae3
1 changed files with 4 additions and 6 deletions
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10
src/core.c
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@ -8327,7 +8327,8 @@ static int cursor_shadow(MDBX_txn *parent, MDBX_txn *nested) {
MDBX_xcursor *mx = mc->mc_xcursor;
if (mx != NULL) {
*(MDBX_xcursor *)(bk + 1) = *mx;
mx->mx_cursor.mc_txn = nested;
mx->mx_cursor.mc_txn = mc->mc_txn;
mx->mx_cursor.mc_dbistate = mc->mc_dbistate;
}
mc->mc_next = nested->mt_cursors[i];
nested->mt_cursors[i] = mc;
@ -8374,11 +8375,8 @@ static void cursors_eot(MDBX_txn *txn, const bool merge) {
mc->mc_db = bk->mc_db;
mc->mc_dbistate = bk->mc_dbistate;
if (mx) {
if (mx != bk->mc_xcursor) {
*bk->mc_xcursor = *mx;
mx = bk->mc_xcursor;
}
mx->mx_cursor.mc_txn = bk->mc_txn;
mx->mx_cursor.mc_txn = mc->mc_txn;
mx->mx_cursor.mc_dbistate = mc->mc_dbistate;
}
} else {
/* Restore from backup, i.e. rollback/abort nested txn */