[iotdb] branch master updated: [IOTDB-1412] Unclear exception message thrown when executing empty InsertTabletPlan (#3296)

[haonan]

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haonan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/master by this push:
     new e19ad05  [IOTDB-1412] Unclear exception message thrown when executing 
empty InsertTabletPlan (#3296)
e19ad05 is described below

commit e19ad0575d597bcd0a6dd74ea54a1bc7fcfe5e3d
Author: Steve Yurong Su <r...@apache.org>
AuthorDate: Tue Jun 1 01:33:08 2021 -0500

    [IOTDB-1412] Unclear exception message thrown when executing empty 
InsertTabletPlan (#3296)
---
 .../src/main/java/org/apache/iotdb/db/qp/executor/PlanExecutor.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/qp/executor/PlanExecutor.java 
b/server/src/main/java/org/apache/iotdb/db/qp/executor/PlanExecutor.java
index 09eecd1..8918a2b 100644
--- a/server/src/main/java/org/apache/iotdb/db/qp/executor/PlanExecutor.java
+++ b/server/src/main/java/org/apache/iotdb/db/qp/executor/PlanExecutor.java
@@ -1179,6 +1179,9 @@ public class PlanExecutor implements IPlanExecutor {
   @Override
   public void insert(InsertRowsOfOneDevicePlan insertRowsOfOneDevicePlan)
       throws QueryProcessException {
+    if (insertRowsOfOneDevicePlan.getRowPlans().length == 0) {
+      return;
+    }
     try {
       for (InsertRowPlan plan : insertRowsOfOneDevicePlan.getRowPlans()) {
         plan.setMeasurementMNodes(new 
MeasurementMNode[plan.getMeasurements().length]);
@@ -1302,6 +1305,9 @@ public class PlanExecutor implements IPlanExecutor {
 
   @Override
   public void insertTablet(InsertTabletPlan insertTabletPlan) throws 
QueryProcessException {
+    if (insertTabletPlan.getRowCount() == 0) {
+      return;
+    }
     try {
       insertTabletPlan.setMeasurementMNodes(
           new MeasurementMNode[insertTabletPlan.getMeasurements().length]);