zhannngchen commented on code in PR #31666:
URL: https://github.com/apache/doris/pull/31666#discussion_r1512308584


##########
fe/fe-core/src/main/java/org/apache/doris/transaction/TransactionEntry.java:
##########
@@ -18,32 +18,68 @@
 package org.apache.doris.transaction;
 
 import org.apache.doris.catalog.Database;
+import org.apache.doris.catalog.DatabaseIf;
+import org.apache.doris.catalog.Env;
 import org.apache.doris.catalog.Table;
+import org.apache.doris.catalog.TableIf;
+import org.apache.doris.common.AnalysisException;
+import org.apache.doris.common.DdlException;
+import org.apache.doris.common.MetaNotFoundException;
+import org.apache.doris.common.QuotaExceedException;
+import org.apache.doris.common.UserException;
 import org.apache.doris.proto.InternalService;
 import org.apache.doris.proto.Types;
+import org.apache.doris.qe.ConnectContext;
+import org.apache.doris.qe.InsertStreamTxnExecutor;
+import org.apache.doris.qe.MasterTxnExecutor;
+import org.apache.doris.service.FrontendOptions;
 import org.apache.doris.system.Backend;
+import org.apache.doris.thrift.TTabletCommitInfo;
 import org.apache.doris.thrift.TTxnParams;
+import org.apache.doris.thrift.TWaitingTxnStatusRequest;
+import org.apache.doris.thrift.TWaitingTxnStatusResult;
+import org.apache.doris.transaction.TransactionState.LoadJobSourceType;
+import org.apache.doris.transaction.TransactionState.TxnCoordinator;
+import org.apache.doris.transaction.TransactionState.TxnSourceType;
+
+import com.google.common.collect.Lists;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.apache.thrift.TException;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeoutException;
 
 public class TransactionEntry {
 
+    private static final Logger LOG = 
LogManager.getLogger(TransactionEntry.class);
+
     private String label = "";
-    private Database db;
+    private DatabaseIf database;
+
+    // for insert into values for one table
     private Table table;
     private Backend backend;
     private TTxnParams txnConf;
     private List<InternalService.PDataRow> dataToSend = new ArrayList<>();
     private long rowsInTransaction = 0;
     private Types.PUniqueId pLoadId;
 
+    // for insert into select for multi tables
+    private boolean isTransactionBegan = false;

Review Comment:
   Using `isTransactionBegan` to differentiate between insert into values and 
insert into select doesn't quite MAKE SENSE, I totally missed it the first 
time. It would be better to use a meaningful variable name to do so, or add an 
enum variable and use a function like check_compatibility() to check the 
compatibility of different inserts.



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