From 3650a6bc2cadd057fe693338dfab058135ac1069 Mon Sep 17 00:00:00 2001
From: slzhou <shenglian_zhou@163.com>
Date: Fri, 1 Sep 2023 20:42:27 +0800
Subject: [PATCH] fix: select tags from child table error

---
 source/libs/planner/src/planLogicCreater.c |  5 +++++
 tests/script/tsim/query/tag_scan.sim       | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/source/libs/planner/src/planLogicCreater.c b/source/libs/planner/src/planLogicCreater.c
index 1c17db606c..24a1ea2377 100644
--- a/source/libs/planner/src/planLogicCreater.c
+++ b/source/libs/planner/src/planLogicCreater.c
@@ -373,6 +373,11 @@ static bool tagScanNodeHasTbname(SNode* pKeys) {
 static int32_t tagScanSetExecutionMode(SScanLogicNode* pScan) {
   pScan->onlyMetaCtbIdx = false;
 
+  if (pScan->tableType == TSDB_CHILD_TABLE) {
+    pScan->onlyMetaCtbIdx = false;
+    return TSDB_CODE_SUCCESS;
+  }
+
   if (tagScanNodeListHasTbname(pScan->pScanPseudoCols)) {
     pScan->onlyMetaCtbIdx = false;
     return TSDB_CODE_SUCCESS;
diff --git a/tests/script/tsim/query/tag_scan.sim b/tests/script/tsim/query/tag_scan.sim
index 3a64cf1a1c..4d5b4cfe40 100644
--- a/tests/script/tsim/query/tag_scan.sim
+++ b/tests/script/tsim/query/tag_scan.sim
@@ -127,4 +127,17 @@ if $data01 != @1aa@ then
   return -1
 endi
 
+sql select tags t,b from ctt11
+print $rows
+print $data00 $data01 
+if $rows != 1 then
+  return -1
+endi
+if $data00 != @1@ then
+  return -1
+endi
+if $data01 != @1aa@ then
+  return -1
+endi
+
 system sh/exec.sh -n dnode1 -s stop -x SIGINT