From 30402f66a6107b3fcaa1f8340e9dc29526ccd180 Mon Sep 17 00:00:00 2001
From: Mario Peng <48949600+Pengrongkun@users.noreply.github.com>
Date: Mon, 24 Mar 2025 16:54:32 +0800
Subject: [PATCH] fix: interlace=0 with fixed tags memory bad access (#30392)

---
 source/client/src/clientMain.c   | 2 +-
 source/client/test/stmt2Test.cpp | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/source/client/src/clientMain.c b/source/client/src/clientMain.c
index 50fadc9593..ee8fe8da30 100644
--- a/source/client/src/clientMain.c
+++ b/source/client/src/clientMain.c
@@ -2239,7 +2239,7 @@ int taos_stmt2_bind_param(TAOS_STMT2 *stmt, TAOS_STMT2_BINDV *bindv, int32_t col
     SVCreateTbReq *pCreateTbReq = NULL;
     if (bindv->tags && bindv->tags[i]) {
       code = stmtSetTbTags2(stmt, bindv->tags[i], &pCreateTbReq);
-    } else if (pStmt->sql.autoCreateTbl || pStmt->bInfo.needParse) {
+    } else if (pStmt->bInfo.tbNameFlag & IS_FIXED_TAG) {
       code = stmtCheckTags2(stmt, &pCreateTbReq);
     } else {
       pStmt->sql.autoCreateTbl = false;
diff --git a/source/client/test/stmt2Test.cpp b/source/client/test/stmt2Test.cpp
index f1f449455d..243019d49c 100644
--- a/source/client/test/stmt2Test.cpp
+++ b/source/client/test/stmt2Test.cpp
@@ -958,6 +958,11 @@ TEST(stmt2Case, stmt2_stb_insert) {
             "insert into stmt2_testdb_1.? using stmt2_testdb_1.stb (t1,t2)tags(?,?) (ts,b)values(?,?)", 3, 3, 3, true,
             true);
   }
+  // TD-34123 : interlace=0 with fixed tags
+  {
+    do_stmt("no-interlcace", taos, &option, "insert into `stmt2_testdb_1`.`stb` (tbname,ts,b,t1,t2) values(?,?,?,?,?)",
+            3, 3, 3, false, true);
+  }
 
   // interlace = 0 & use db]
   do_query(taos, "use stmt2_testdb_1");