arangodb::aql::Graph* arangodb::lookupGraphByName(TRI_vocbase_t* vocbase,
std::string const& name) {
SingleCollectionTransaction trx(StandaloneTransactionContext::Create(vocbase),
GRAPHS, TRI_TRANSACTION_READ);
int res = trx.begin();
if (res != TRI_ERROR_NO_ERROR) {
THROW_ARANGO_EXCEPTION_FORMAT(res, "while looking up graph '%s'",
name.c_str());
}
VPackBuilder b;
{
VPackObjectBuilder guard(&b);
b.add(StaticStrings::KeyString, VPackValue(name));
}
// Default options are enough here
OperationOptions options;
OperationResult result = trx.document(GRAPHS, b.slice(), options);
// Commit or abort.
res = trx.finish(result.code);
if (!result.successful()) {
THROW_ARANGO_EXCEPTION_FORMAT(result.code, "while looking up graph '%s'",
name.c_str());
}
if (res != TRI_ERROR_NO_ERROR) {
THROW_ARANGO_EXCEPTION_FORMAT(res, "while looking up graph '%s'",
name.c_str());
}
return new arangodb::aql::Graph(result.slice());
}
int Syncer::applyCollectionDumpMarker(
arangodb::Transaction& trx, std::string const& collectionName,
TRI_replication_operation_e type, VPackSlice const& old,
VPackSlice const& slice, std::string& errorMsg) {
int res = TRI_ERROR_INTERNAL;
if (type == REPLICATION_MARKER_DOCUMENT) {
// {"type":2400,"key":"230274209405676","data":{"_key":"230274209405676","_rev":"230274209405676","foo":"bar"}}
OperationOptions options;
options.silent = true;
options.ignoreRevs = true;
options.isRestore = true;
try {
// try insert first
OperationResult opRes = trx.insert(collectionName, slice, options);
if (opRes.code == TRI_ERROR_ARANGO_UNIQUE_CONSTRAINT_VIOLATED) {
// perform an update
opRes = trx.replace(collectionName, slice, options);
}
res = opRes.code;
} catch (arangodb::basics::Exception const& ex) {
res = ex.code();
} catch (...) {
res = TRI_ERROR_INTERNAL;
}
if (res != TRI_ERROR_NO_ERROR) {
errorMsg = "document insert/replace operation failed: " +
std::string(TRI_errno_string(res));
}
return res;
}
else if (type == REPLICATION_MARKER_REMOVE) {
// {"type":2402,"key":"592063"}
try {
OperationOptions options;
options.silent = true;
options.ignoreRevs = true;
OperationResult opRes = trx.remove(collectionName, old, options);
if (opRes.successful() ||
opRes.code == TRI_ERROR_ARANGO_DOCUMENT_NOT_FOUND) {
// ignore document not found errors
return TRI_ERROR_NO_ERROR;
}
res = opRes.code;
} catch (arangodb::basics::Exception const& ex) {
res = ex.code();
} catch (...) {
res = TRI_ERROR_INTERNAL;
}
if (res != TRI_ERROR_NO_ERROR) {
errorMsg = "document remove operation failed: " +
std::string(TRI_errno_string(res));
}
return res;
}
res = TRI_ERROR_REPLICATION_UNEXPECTED_MARKER;
errorMsg = "unexpected marker type " + StringUtils::itoa(type);
return res;
}