ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-10-31 03:29:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx: minor refine mdbx_page_search() internals.

Browse Source
This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2022-02-19 13:18:03 +03:00
parent 7ade182d64
commit bfea3ca9fb
1 changed files with 11 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/core.c
View File

@@ -13682,6 +13682,7 @@ __hot static int mdbx_page_search(MDBX_cursor *mc, const MDBX_val *key,
pp_txnid = /* mc->mc_db->md_mod_txnid maybe zero in a legacy DB */ pp_txnid pp_txnid = /* mc->mc_db->md_mod_txnid maybe zero in a legacy DB */ pp_txnid
? pp_txnid ? pp_txnid
: mc->mc_txn->mt_txnid; : mc->mc_txn->mt_txnid;
if ((mc->mc_txn->mt_flags & MDBX_TXN_RDONLY) == 0) {
MDBX_txn *scan = mc->mc_txn; MDBX_txn *scan = mc->mc_txn;
do do
if ((scan->mt_flags & MDBX_TXN_DIRTY) && if ((scan->mt_flags & MDBX_TXN_DIRTY) &&
@@ -13691,6 +13692,7 @@ __hot static int mdbx_page_search(MDBX_cursor *mc, const MDBX_val *key,
break; break;
} }
while (unlikely((scan = scan->mt_parent) != nullptr)); while (unlikely((scan = scan->mt_parent) != nullptr));
}
if (unlikely((rc = mdbx_page_get(mc, root, &mc->mc_pg[0], pp_txnid)) != 0)) if (unlikely((rc = mdbx_page_get(mc, root, &mc->mc_pg[0], pp_txnid)) != 0))
return rc; return rc;
} }