fix:return false in is ture operator if result is null

source/libs/scalar/test/scalar/scalarTests.cpp

 /*
- * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
- * This program is free software: you can use, redistribute, and/or modify
- * it under the terms of the GNU Affero General Public License, version 3
- * or later ("AGPL"), as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
+* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+*
+* This program is free software: you can use, redistribute, and/or modify
+* it under the terms of the GNU Affero General Public License, version 3
+* or later ("AGPL"), as published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
 
 #include <gtest/gtest.h>
 #include <iostream>
@@ -1328,7 +1328,7 @@ TEST(columnTest, json_column_logic_op) {
  printf("--------------------json null---null {1, 8, 2, 2, 3, 0, 0, 0, 0}------------------\n");
 
  key = "k3";   // (null is true) return NULL, so use DBL_MAX represent NULL
-  double eRes2[len+len1] = {false, false, false, false, false, false, true, false, DBL_MAX, false, false, false, false};
+ bool eRes2[len+len1] = {false, false, false, false, false, false, true, false, false, false, false, false, false};
  for(int i = 0; i < len; i++){
    makeCalculate(row, key, TSDB_DATA_TYPE_INT, &input[i], eRes2[i], op[i], false);
  }
@@ -1456,7 +1456,7 @@ TEST(columnTest, json_column_logic_op) {
  printf("---------------------json not exist-- NULL {1, 8, 2, 2, 3, 0, 0, 0, 0}------------------\n");
 
  key = "k10";    // (NULL is true) return NULL, so use DBL_MAX represent NULL
-  double eRes9[len+len1] = {false, false, false, false, false, false, true, false, DBL_MAX, false, false, false, false};
+ bool eRes9[len+len1] = {false, false, false, false, false, false, true, false, false, false, false, false, false};
  for(int i = 0; i < len; i++){
    makeCalculate(row, key, TSDB_DATA_TYPE_INT, &input[i], eRes9[i], op[i], false);
  }
@@ -2040,7 +2040,7 @@ void scltMakeDataBlock(SScalarParam **pInput, int32_t type, void *pVal, int32_t
      colDataAppend(input->columnData, i, (const char*) pVal, false);
    }
  } else {
-//    memset(input->data, 0, num * bytes);
+   //    memset(input->data, 0, num * bytes);
  }
 
  *pInput = input;