diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index 41bfe3456173fe3c87eac7a09fcaf3ae42dea38d..2b962333d588117ba54f363b7da586b6f04e3d47 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -394,7 +394,7 @@ static int32_t tsCheckTimestamp(STableDataBlocks *pDataBlocks, const char *start
 
   TSKEY k = *(TSKEY *)start;
 
-  if (k == 0) {
+  if (k == INT64_MIN) {
     if (pDataBlocks->tsSource == TSDB_USE_CLI_TS) {
       return -1;
     } else if (pDataBlocks->tsSource == -1) {
diff --git a/src/common/src/texpr.c b/src/common/src/texpr.c
index f50b829baa7c6dadea99bd81874cef57140f4fc0..1008c4cf8f77ca77f59a57aea189cdebef9c9129 100644
--- a/src/common/src/texpr.c
+++ b/src/common/src/texpr.c
@@ -41,41 +41,46 @@ static uint8_t UNUSED_FUNC isQueryOnPrimaryKey(const char *primaryColumnName, co
 
 static void reverseCopy(char* dest, const char* src, int16_t type, int32_t numOfRows) {
   switch(type) {
-    case TSDB_DATA_TYPE_TINYINT: {
+    case TSDB_DATA_TYPE_TINYINT:
+    case TSDB_DATA_TYPE_UTINYINT:{
       int8_t* p = (int8_t*) dest;
       int8_t* pSrc = (int8_t*) src;
 
       for(int32_t i = 0; i < numOfRows; ++i) {
         p[i] = pSrc[numOfRows - i - 1];
       }
-      break;
+      return;
     }
-    case TSDB_DATA_TYPE_SMALLINT: {
+
+    case TSDB_DATA_TYPE_SMALLINT:
+    case TSDB_DATA_TYPE_USMALLINT:{
       int16_t* p = (int16_t*) dest;
       int16_t* pSrc = (int16_t*) src;
 
       for(int32_t i = 0; i < numOfRows; ++i) {
         p[i] = pSrc[numOfRows - i - 1];
       }
-      break;
+      return;
     }
-    case TSDB_DATA_TYPE_INT: {
+    case TSDB_DATA_TYPE_INT:
+    case TSDB_DATA_TYPE_UINT: {
       int32_t* p = (int32_t*) dest;
       int32_t* pSrc = (int32_t*) src;
 
       for(int32_t i = 0; i < numOfRows; ++i) {
         p[i] = pSrc[numOfRows - i - 1];
       }
-      break;
+      return;
     }
-    case TSDB_DATA_TYPE_BIGINT: {
+    case TSDB_DATA_TYPE_BIGINT:
+    case TSDB_DATA_TYPE_UBIGINT: {
       int64_t* p = (int64_t*) dest;
       int64_t* pSrc = (int64_t*) src;
 
       for(int32_t i = 0; i < numOfRows; ++i) {
         p[i] = pSrc[numOfRows - i - 1];
       }
-      break;
+      return;
     }
     case TSDB_DATA_TYPE_FLOAT: {
       float* p = (float*) dest;
@@ -84,7 +89,7 @@ static void reverseCopy(char* dest, const char* src, int16_t type, int32_t numOf
       for(int32_t i = 0; i < numOfRows; ++i) {
         p[i] = pSrc[numOfRows - i - 1];
       }
-      break;
+      return;
     }
     case TSDB_DATA_TYPE_DOUBLE: {
       double* p = (double*) dest;
@@ -93,7 +98,7 @@ static void reverseCopy(char* dest, const char* src, int16_t type, int32_t numOf
       for(int32_t i = 0; i < numOfRows; ++i) {
         p[i] = pSrc[numOfRows - i - 1];
       }
-      break;
+      return;
     }
     default: assert(0);
   }
diff --git a/src/kit/shell/src/shellEngine.c b/src/kit/shell/src/shellEngine.c
index 82b5fb3e008265bae5e3c4a2045239b6534b1226..b9529aac8ec572083406f0d902d48f424ef4547b 100644
--- a/src/kit/shell/src/shellEngine.c
+++ b/src/kit/shell/src/shellEngine.c
@@ -418,7 +418,7 @@ static char* formatTimestamp(char* buf, int64_t val, int precision) {
 #ifdef WINDOWS
   if (tt < 0) tt = 0;
 #endif
-  if (tt < 0 && ms != 0) {
+  if (tt <= 0 && ms < 0) {
     tt--;
     if (precision == TSDB_TIME_PRECISION_MICRO) {
       ms += 1000000;
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index b2d97e2d6935096ed5171d5284cfcb1987e36535..18a421fa55f7f58336fc4310a5449634193f9fe9 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -4173,8 +4173,10 @@ static SSDataBlock* doTableScan(void* param) {
       assert(ret);
     }
 
-    pResultRowInfo->curIndex = 0;
-    pResultRowInfo->prevSKey = pResultRowInfo->pResult[0]->win.skey;
+    if (pResultRowInfo->size > 0) {
+      pResultRowInfo->curIndex = 0;
+      pResultRowInfo->prevSKey = pResultRowInfo->pResult[0]->win.skey;
+    }
 
     qDebug("QInfo:%p start to repeat scan data blocks due to query func required, qrange:%" PRId64 "-%" PRId64,
            pRuntimeEnv->qinfo, cond.twindow.skey, cond.twindow.ekey);
diff --git a/tests/script/general/parser/testSuite.sim b/tests/script/general/parser/testSuite.sim
index c2ce5df12e9e4d60824950f21ac8afb9d64b5235..f05474d15804fba661f650d69632c454415eba64 100644
--- a/tests/script/general/parser/testSuite.sim
+++ b/tests/script/general/parser/testSuite.sim
@@ -1,112 +1,58 @@
 run general/parser/alter.sim
-sleep 100
 run general/parser/alter1.sim
-sleep 100
 run general/parser/alter_stable.sim
-sleep 100
 run general/parser/auto_create_tb.sim
-sleep 100
 run general/parser/auto_create_tb_drop_tb.sim
-sleep 100
 run general/parser/col_arithmetic_operation.sim
-sleep 100
 run general/parser/columnValue.sim
-sleep 100
 run general/parser/commit.sim
-sleep 100
 run general/parser/create_db.sim
-sleep 100
 run general/parser/create_mt.sim
-sleep 100
 run general/parser/create_tb.sim
-sleep 100
 run general/parser/dbtbnameValidate.sim
-sleep 100
 run general/parser/fill.sim
-sleep 100
 run general/parser/fill_stb.sim
-sleep 100
 #run general/parser/fill_us.sim               #
-sleep 100
 run general/parser/first_last.sim
-sleep 100
 run general/parser/import_commit1.sim
-sleep 100
 run general/parser/import_commit2.sim
-sleep 100
 run general/parser/import_commit3.sim
-sleep 100
 #run general/parser/import_file.sim
-sleep 100
 run general/parser/insert_tb.sim
-sleep 100
 run general/parser/tags_dynamically_specifiy.sim
-sleep 100
 run general/parser/interp.sim
-sleep 100
 run general/parser/lastrow.sim
-sleep 100
 run general/parser/limit.sim
-sleep 100
 run general/parser/limit1.sim
-sleep 100
 run general/parser/limit1_tblocks100.sim
-sleep 100
 run general/parser/limit2.sim
-sleep 100
 run general/parser/mixed_blocks.sim
-sleep 100
 run general/parser/nchar.sim
-sleep 100
 run general/parser/null_char.sim
-sleep 100
 run general/parser/selectResNum.sim
-sleep 100
 run general/parser/select_across_vnodes.sim
-sleep 100
 run general/parser/select_from_cache_disk.sim
-sleep 100
 run general/parser/set_tag_vals.sim
-sleep 100
 run general/parser/single_row_in_tb.sim
-sleep 100
 run general/parser/slimit.sim
-sleep 100
 run general/parser/slimit1.sim
-sleep 100
 run general/parser/slimit_alter_tags.sim
-sleep 100
 run general/parser/tbnameIn.sim
-sleep 100
 run general/parser/slimit_alter_tags.sim  # persistent failed
-sleep 100
 run general/parser/join.sim
-sleep 100
 run general/parser/join_multivnode.sim
-sleep 100
+run general/parser/join_manyblocks.sim
 run general/parser/projection_limit_offset.sim
-sleep 100
 run general/parser/select_with_tags.sim
-sleep 100
 run general/parser/groupby.sim
-sleep 100
 run general/parser/tags_filter.sim
-sleep 100
 run general/parser/topbot.sim
-sleep 100
 run general/parser/union.sim
-sleep 100
 run general/parser/constCol.sim
-sleep 100
 run general/parser/where.sim
-sleep 100
 run general/parser/timestamp.sim
-sleep 100
 run general/parser/sliding.sim
-sleep 100
 run general/parser/function.sim
-sleep 100
 run general/parser/stableOp.sim
-sleep 100
 run general/parser/slimit_alter_tags.sim
 
diff --git a/tests/script/general/parser/where.sim b/tests/script/general/parser/where.sim
index ace1ca6f5bf1f62ecc78c676da4a9b4624f12a5c..157c41ce58ddf4775c0715f35ccd77e46a7dd221 100644
--- a/tests/script/general/parser/where.sim
+++ b/tests/script/general/parser/where.sim
@@ -350,5 +350,13 @@ if $rows != 0 then
   return -1
 endi
 
+print ==========================>td-3318
+sql create table tu(ts timestamp,  k int, b binary(12))
+sql insert into tu values(now, 1, 'abc')
+sql select stddev(k) from tu where b <>'abc' interval(1s)
+if $rows != 0 then
+ return -1
+endi
+
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index fc56e34dca875e61cd3fc611a6757ea76e9901c9..f6e2267f6d923bdb99ee337a887adf7e91d242ea 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -162,6 +162,10 @@ cd ../../../debug; make
 ./test.sh -f general/parser/topbot.sim
 ./test.sh -f general/parser/function.sim
 ./test.sh -f general/parser/select_distinct_tag.sim
+./test.sh -f general/parser/join_manyblocks.sim
+./test.sh -f general/parser/stableOp.sim
+./test.sh -f general/parser/timestamp.sim
+./test.sh -f general/parser/sliding.sim
 
 ./test.sh -f general/stable/disk.sim
 ./test.sh -f general/stable/dnode3.sim