dataroaring commented on code in PR #17881:
URL: https://github.com/apache/doris/pull/17881#discussion_r1177295418
##########
gensrc/thrift/FrontendService.thrift:
##########
@@ -847,6 +913,10 @@ service FrontendService {
TLoadTxnCommitResult loadTxnCommit(1: TLoadTxnCommitRequest request)
TLoadTxnRollbackResult loadTxnRollback(1: TLoadTxnRollbackRequest request)
+ TBeginTxnResult beginTxn(1: TBeginTxnRequest request)
Review Comment:
Should we delete shouldTxnBegin in the future? beginTxn and loadTxnBegin are
similare.
##########
fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java:
##########
@@ -983,6 +998,95 @@ private TLoadTxnBeginResult
loadTxnBeginImpl(TLoadTxnBeginRequest request, Strin
return result;
}
+ @Override
+ public TBeginTxnResult beginTxn(TBeginTxnRequest request) throws
TException {
+ String clientAddr = getClientAddrAsString();
+ LOG.debug("receive txn begin request: {}, backend: {}", request,
clientAddr);
+
+ TBeginTxnResult result = new TBeginTxnResult();
+ TStatus status = new TStatus(TStatusCode.OK);
+ result.setStatus(status);
+ try {
+ TBeginTxnResult tmpRes = beginTxnImpl(request, clientAddr);
+ result.setTxnId(tmpRes.getTxnId()).setDbId(tmpRes.getDbId());
+ } catch (DuplicatedRequestException e) {
+ // this is a duplicate request, just return previous txn id
+ LOG.warn("duplicate request for stream load. request id: {}, txn:
{}", e.getDuplicatedRequestId(),
+ e.getTxnId());
+ result.setTxnId(e.getTxnId());
+ } catch (LabelAlreadyUsedException e) {
+ status.setStatusCode(TStatusCode.LABEL_ALREADY_EXISTS);
+ status.addToErrorMsgs(e.getMessage());
+ result.setJobStatus(e.getJobStatus());
+ } catch (UserException e) {
+ LOG.warn("failed to begin: {}", e.getMessage());
+ status.setStatusCode(TStatusCode.ANALYSIS_ERROR);
+ status.addToErrorMsgs(e.getMessage());
+ } catch (Throwable e) {
+ LOG.warn("catch unknown result.", e);
+ status.setStatusCode(TStatusCode.INTERNAL_ERROR);
+ status.addToErrorMsgs(Strings.nullToEmpty(e.getMessage()));
+ return result;
Review Comment:
We can remove this return stmt as above.
##########
fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java:
##########
@@ -983,6 +998,95 @@ private TLoadTxnBeginResult
loadTxnBeginImpl(TLoadTxnBeginRequest request, Strin
return result;
}
+ @Override
+ public TBeginTxnResult beginTxn(TBeginTxnRequest request) throws
TException {
+ String clientAddr = getClientAddrAsString();
+ LOG.debug("receive txn begin request: {}, backend: {}", request,
clientAddr);
+
+ TBeginTxnResult result = new TBeginTxnResult();
+ TStatus status = new TStatus(TStatusCode.OK);
+ result.setStatus(status);
+ try {
+ TBeginTxnResult tmpRes = beginTxnImpl(request, clientAddr);
+ result.setTxnId(tmpRes.getTxnId()).setDbId(tmpRes.getDbId());
+ } catch (DuplicatedRequestException e) {
+ // this is a duplicate request, just return previous txn id
+ LOG.warn("duplicate request for stream load. request id: {}, txn:
{}", e.getDuplicatedRequestId(),
+ e.getTxnId());
+ result.setTxnId(e.getTxnId());
+ } catch (LabelAlreadyUsedException e) {
+ status.setStatusCode(TStatusCode.LABEL_ALREADY_EXISTS);
+ status.addToErrorMsgs(e.getMessage());
+ result.setJobStatus(e.getJobStatus());
+ } catch (UserException e) {
+ LOG.warn("failed to begin: {}", e.getMessage());
+ status.setStatusCode(TStatusCode.ANALYSIS_ERROR);
+ status.addToErrorMsgs(e.getMessage());
+ } catch (Throwable e) {
+ LOG.warn("catch unknown result.", e);
+ status.setStatusCode(TStatusCode.INTERNAL_ERROR);
+ status.addToErrorMsgs(Strings.nullToEmpty(e.getMessage()));
+ return result;
+ }
+ return result;
+ }
+
+ private TBeginTxnResult beginTxnImpl(TBeginTxnRequest request, String
clientIp) throws UserException {
+ String cluster = request.getCluster();
+ if (Strings.isNullOrEmpty(cluster)) {
+ cluster = SystemInfoService.DEFAULT_CLUSTER;
+ }
+
+ // step 1: check auth
+ if (Strings.isNullOrEmpty(request.getToken())) {
+ checkPasswordAndPrivs(cluster, request.getUser(),
request.getPasswd(), request.getDb(), request.getTables(),
+ request.getUserIp(), PrivPredicate.LOAD);
+ }
+
+ // step 2: check label
+ if (Strings.isNullOrEmpty(request.getLabel())) {
+ throw new UserException("empty label in begin request");
+ }
+
+ // step 3: check database
+ Env env = Env.getCurrentEnv();
+ String fullDbName = ClusterNamespace.getFullName(cluster,
request.getDb());
+ Database db = env.getInternalCatalog().getDbNullable(fullDbName);
+ if (db == null) {
+ String dbName = fullDbName;
+ if (Strings.isNullOrEmpty(request.getCluster())) {
+ dbName = request.getDb();
+ }
+ throw new UserException("unknown database, database=" + dbName);
+ }
+
+ // step 4: fetch all tableIds
+ // lookup tables && convert into tableIdList
+ List<Long> tableIdList = Lists.newArrayList();
+ for (String tblName : request.getTables()) {
+ String fullTblName = ClusterNamespace.getFullName(cluster,
tblName);
+ Table table = db.getTableOrMetaException(fullTblName,
TableType.OLAP);
+ if (table == null) {
+ throw new UserException("unknown table, table=" + fullTblName);
+ }
+ tableIdList.add(table.getId());
+ }
+
+ // step 5: get timeout
+ long timeoutSecond = request.isSetTimeout() ? request.getTimeout() :
Config.stream_load_default_timeout_second;
+
+ // step 6: begin transaction
+ long txnId = Env.getCurrentGlobalTransactionMgr().beginTransaction(
+ db.getId(), tableIdList, request.getLabel(),
request.getRequestId(),
+ new TxnCoordinator(TxnSourceType.BE, clientIp),
+ TransactionState.LoadJobSourceType.BACKEND_STREAMING, -1,
timeoutSecond);
+
+ // step 7: return result
+ TBeginTxnResult result = new TBeginTxnResult();
+ result.setTxnId(txnId).setDbId(db.getId());
+ return result;
+ }
Review Comment:
Very similar to loadTxnBegin.
##########
fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java:
##########
@@ -983,6 +998,95 @@ private TLoadTxnBeginResult
loadTxnBeginImpl(TLoadTxnBeginRequest request, Strin
return result;
}
+ @Override
+ public TBeginTxnResult beginTxn(TBeginTxnRequest request) throws
TException {
+ String clientAddr = getClientAddrAsString();
+ LOG.debug("receive txn begin request: {}, backend: {}", request,
clientAddr);
Review Comment:
maybe client is not a backend.
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