fix(query): add api to memset buffer for filtering data.

include/common/tdatablock.h

@@ -217,6 +217,8 @@ int32_t blockDataSort_rv(SSDataBlock* pDataBlock, SArray* pOrderInfo, bool nullF
 
 int32_t colInfoDataEnsureCapacity(SColumnInfoData* pColumn, uint32_t numOfRows);
 int32_t blockDataEnsureCapacity(SSDataBlock* pDataBlock, uint32_t numOfRows);
+void    colInfoDataMemset(SColumnInfoData* pColumn, uint32_t numOfRows);
+
 
 void colInfoDataCleanup(SColumnInfoData* pColumn, uint32_t numOfRows);
 void blockDataCleanup(SSDataBlock* pDataBlock);

source/client/CMakeLists.txt

@@ -60,6 +60,6 @@ target_link_libraries(
     PRIVATE os util common transport nodes parser command planner catalog scheduler function qcom
 )
 
-if(${BUILD_TEST})
+#if(${BUILD_TEST})
     ADD_SUBDIRECTORY(test)
-endif(${BUILD_TEST})
+#endif(${BUILD_TEST})
\ No newline at end of file

source/client/test/clientTests.cpp

@@ -112,7 +112,7 @@ void createNewTable(TAOS* pConn, int32_t index) {
   }
   taos_free_result(pRes);
 
-  for(int32_t i = 0; i < 10000; i += 20) {
+  for(int32_t i = 0; i < 20; i += 20) {
     char sql[1024] = {0};
     sprintf(sql,
             "insert into tu%d values(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
@@ -692,6 +692,7 @@ TEST(testCase, insert_test) {
   taos_free_result(pRes);
   taos_close(pConn);
 }
+#endif
 
 TEST(testCase, projection_query_tables) {
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
@@ -703,7 +704,7 @@ TEST(testCase, projection_query_tables) {
   //  }
   //  taos_free_result(pRes);
 
-  TAOS_RES* pRes = taos_query(pConn, "use benchmarkcpu");
+  TAOS_RES* pRes = taos_query(pConn, "use abc2");
   taos_free_result(pRes);
 
   pRes = taos_query(pConn, "create stable st1 (ts timestamp, k int) tags(a int)");
@@ -725,7 +726,7 @@ TEST(testCase, projection_query_tables) {
   }
   taos_free_result(pRes);
 
-  for (int32_t i = 0; i < 2; ++i) {
+  for (int32_t i = 0; i < 200000; ++i) {
     printf("create table :%d\n", i);
     createNewTable(pConn, i);
   }
@@ -750,7 +751,9 @@ TEST(testCase, projection_query_tables) {
   taos_free_result(pRes);
   taos_close(pConn);
 }
-#endif
+
+
+#if 0
 
 TEST(testCase, tsbs_perf_test) {
   TdThread qid[20] = {0};
@@ -761,7 +764,7 @@ TEST(testCase, tsbs_perf_test) {
   getchar();
 }
 
-#if 0
+
 TEST(testCase, projection_query_stables) {
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
   ASSERT_NE(pConn, nullptr);

source/common/src/tdatablock.c

@@ -1208,6 +1208,16 @@ int32_t colInfoDataEnsureCapacity(SColumnInfoData* pColumn, uint32_t numOfRows)
   return doEnsureCapacity(pColumn, &info, numOfRows);
 }
 
+void colInfoDataMemset(SColumnInfoData* pColumn, uint32_t numOfRows) {
+  if (!IS_VAR_DATA_TYPE(pColumn->info.type)) {
+    memset(pColumn->pData, 0, pColumn->info.bytes * numOfRows);
+  } else {
+    if (pColumn->varmeta.length > 0) {
+      memset(pColumn->pData, 0, pColumn->varmeta.length);
+    }
+  }
+}
+
 int32_t blockDataEnsureCapacity(SSDataBlock* pDataBlock, uint32_t numOfRows) {
   int32_t code = 0;
   if (numOfRows == 0) {

source/libs/scalar/src/scalar.c

@@ -56,6 +56,7 @@ int32_t sclCreateColumnInfoData(SDataType *pType, int32_t numOfRows, SScalarPara
     return terrno;
   }
 
+  colInfoDataMemset(pColumnData, numOfRows);
   pParam->columnData = pColumnData;
   pParam->colAlloced = true;
   return TSDB_CODE_SUCCESS;