blue/lmdbal
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some more transaction thought on cache

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This commit is contained in:
Blue 2023-04-03 21:48:13 +03:00
parent f0779ae2aa
commit 8be63d7551
Signed by: blue
GPG key ID: 9B203B252A63EE38
6 changed files with 241 additions and 58 deletions

18
src/base.cpp
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@ -120,13 +120,15 @@ void LMDBAL::Base::drop() {
if (!opened)
throw Closed("drop", name);
TransactionID txn = beginPrivateTransaction(emptyName);
TransactionID txn = beginTransaction();
for (const std::pair<const std::string, iStorage*>& pair : storages) {
int rc = pair.second->drop(txn);
if (rc)
if (rc != MDB_SUCCESS) {
abortTransaction(txn);
throw Unknown(name, mdb_strerror(rc), pair.first);
}
}
commitPrivateTransaction(txn, emptyName);
commitTransaction(txn);
}
LMDBAL::TransactionID LMDBAL::Base::beginReadOnlyTransaction() const {
@ -138,7 +140,7 @@ LMDBAL::TransactionID LMDBAL::Base::beginTransaction() const {
void LMDBAL::Base::abortTransaction(LMDBAL::TransactionID id) const {
return abortTransaction(id, emptyName);}
void LMDBAL::Base::commitTransaction(LMDBAL::TransactionID id) const {
void LMDBAL::Base::commitTransaction(LMDBAL::TransactionID id) {
return commitTransaction(id, emptyName);}
LMDBAL::TransactionID LMDBAL::Base::beginReadOnlyTransaction(const std::string& storageName) const {
@ -180,7 +182,7 @@ void LMDBAL::Base::abortTransaction(LMDBAL::TransactionID id, const std::string&
transactions->erase(itr);
}
void LMDBAL::Base::commitTransaction(LMDBAL::TransactionID id, const std::string& storageName) const {
void LMDBAL::Base::commitTransaction(LMDBAL::TransactionID id, const std::string& storageName) {
if (!opened)
throw Closed("abortTransaction", name, storageName);
@ -198,7 +200,7 @@ void LMDBAL::Base::commitTransaction(LMDBAL::TransactionID id, const std::string
LMDBAL::TransactionID LMDBAL::Base::beginPrivateReadOnlyTransaction(const std::string& storageName) const {
MDB_txn* txn;
int rc = mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
if (rc) {
if (rc != MDB_SUCCESS) {
mdb_txn_abort(txn);
throw Unknown(name, mdb_strerror(rc), storageName);
}
@ -208,7 +210,7 @@ LMDBAL::TransactionID LMDBAL::Base::beginPrivateReadOnlyTransaction(const std::s
LMDBAL::TransactionID LMDBAL::Base::beginPrivateTransaction(const std::string& storageName) const {
MDB_txn* txn;
int rc = mdb_txn_begin(environment, NULL, 0, &txn);
if (rc) {
if (rc != MDB_SUCCESS) {
mdb_txn_abort(txn);
throw Unknown(name, mdb_strerror(rc), storageName);
}
@ -220,7 +222,7 @@ void LMDBAL::Base::abortPrivateTransaction(LMDBAL::TransactionID id, const std::
mdb_txn_abort(id);
}
void LMDBAL::Base::commitPrivateTransaction(LMDBAL::TransactionID id, const std::string& storageName) const {
void LMDBAL::Base::commitPrivateTransaction(LMDBAL::TransactionID id, const std::string& storageName) {
int rc = mdb_txn_commit(id);
if (rc != MDB_SUCCESS)
throw Unknown(name, mdb_strerror(rc), storageName);