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ITS#10212 LMDB: init txnid for read-only DBs

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Howard Chu 2024-05-02 16:29:03 +01:00
parent d3ae7c36e5
commit 37829ce493
1 changed files with 4 additions and 0 deletions
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4
libraries/liblmdb/mdb.c
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@ -2771,6 +2771,10 @@ mdb_txn_renew0(MDB_txn *txn)
UNLOCK_MUTEX(rmutex); UNLOCK_MUTEX(rmutex);
return MDB_READERS_FULL; return MDB_READERS_FULL;
} }
if ((env->me_flags & MDB_RDONLY) && !ti->mti_txnid) {
meta = mdb_env_pick_meta(env);
ti->mti_txnid = meta->mm_txnid;
}
r = &ti->mti_readers[i]; r = &ti->mti_readers[i];
/* Claim the reader slot, carefully since other code /* Claim the reader slot, carefully since other code
* uses the reader table un-mutexed: First reset the * uses the reader table un-mutexed: First reset the