From 6f696a3933d83a15704f969234ff06c30dc6855e Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Tue, 4 Jun 2024 16:27:51 +0800
Subject: [PATCH] fix: insert into select constant issue

---
 source/libs/scalar/src/scalar.c            |  4 ++++
 tests/script/tsim/insert/insert_select.sim | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/source/libs/scalar/src/scalar.c b/source/libs/scalar/src/scalar.c
index 5f43ae9f3c..50de5e760d 100644
--- a/source/libs/scalar/src/scalar.c
+++ b/source/libs/scalar/src/scalar.c
@@ -1213,6 +1213,7 @@ EDealRes sclRewriteFunction(SNode **pNode, SScalarCtx *ctx) {
 
   res->translate = true;
 
+  strcpy(res->node.aliasName, node->node.aliasName);
   res->node.resType.type = output.columnData->info.type;
   res->node.resType.bytes = output.columnData->info.bytes;
   res->node.resType.scale = output.columnData->info.scale;
@@ -1268,6 +1269,7 @@ EDealRes sclRewriteLogic(SNode **pNode, SScalarCtx *ctx) {
   res->node.resType = node->node.resType;
   res->translate = true;
 
+  strcpy(res->node.aliasName, node->node.aliasName);
   int32_t type = output.columnData->info.type;
   if (IS_VAR_DATA_TYPE(type)) {
     res->datum.p = output.columnData->pData;
@@ -1309,6 +1311,7 @@ EDealRes sclRewriteOperator(SNode **pNode, SScalarCtx *ctx) {
 
   res->translate = true;
 
+  strcpy(res->node.aliasName, node->node.aliasName);
   res->node.resType = node->node.resType;
   if (colDataIsNull_s(output.columnData, 0)) {
     res->isNull = true;
@@ -1364,6 +1367,7 @@ EDealRes sclRewriteCaseWhen(SNode **pNode, SScalarCtx *ctx) {
 
   res->translate = true;
 
+  strcpy(res->node.aliasName, node->node.aliasName);
   res->node.resType = node->node.resType;
   if (colDataIsNull_s(output.columnData, 0)) {
     res->isNull = true;
diff --git a/tests/script/tsim/insert/insert_select.sim b/tests/script/tsim/insert/insert_select.sim
index 333964b1d6..888f349fbb 100644
--- a/tests/script/tsim/insert/insert_select.sim
+++ b/tests/script/tsim/insert/insert_select.sim
@@ -61,5 +61,23 @@ if $data02 != 1 then
   return -1
 endi
 
+sql insert into t2 (ts, b, a) select ts + 1, 11, 12 from t1;
+sql select * from t2;
+if $rows != 2 then
+  return -1
+endi
+if $data01 != 2 then
+  return -1
+endi
+if $data02 != 1 then
+  return -1
+endi
+if $data11 != 12 then
+  return -1
+endi
+if $data12 != 11 then
+  return -1
+endi
+
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT