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mdbx: не трогать LRU и dbi в cursor_touch() для вложенных курсоров.

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Леонид Юрьев (Leonid Yuriev) 2022-12-27 15:03:54 +03:00
parent 0941319940
commit 61d21b0a02
1 changed files with 10 additions and 10 deletions
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20
src/core.c
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@ -16909,22 +16909,22 @@ static int touch_dbi(MDBX_cursor *mc) {
return MDBX_SUCCESS;
}
static int cursor_touch(MDBX_cursor *const mc, const MDBX_val *key,
const MDBX_val *data) {
static __hot int cursor_touch(MDBX_cursor *const mc, const MDBX_val *key,
const MDBX_val *data) {
cASSERT(mc, (mc->mc_txn->mt_flags & MDBX_TXN_RDONLY) == 0);
cASSERT(mc, (mc->mc_flags & C_INITIALIZED) || mc->mc_snum == 0);
cASSERT(mc, cursor_is_tracked(mc));
txn_lru_turn(mc->mc_txn);
if (unlikely((*mc->mc_dbistate & DBI_DIRTY) == 0)) {
int err = touch_dbi(mc);
if (unlikely(err != MDBX_SUCCESS))
return err;
}
if ((mc->mc_flags & C_SUB) == 0) {
MDBX_txn *const txn = mc->mc_txn;
txn_lru_turn(txn);
if (unlikely((*mc->mc_dbistate & DBI_DIRTY) == 0)) {
int err = touch_dbi(mc);
if (unlikely(err != MDBX_SUCCESS))
return err;
}
/* Estimate how much space this operation will take: */
/* 1) Max b-tree height, reasonable enough with including dups' sub-tree */
size_t need = CURSOR_STACK + 3;