Merge branch '3.0' of https://github.com/taosdata/TDengine into feat/row_refact

source/libs/scalar/src/sclvector.c

@@ -373,9 +373,6 @@ static FORCE_INLINE void ncharToVar(char* buf, SScalarParam* pOut, int32_t rowIn
 
 //TODO opt performance, tmp is not needed.
 int32_t vectorConvertFromVarData(const SScalarParam* pIn, SScalarParam* pOut, int32_t inType, int32_t outType) {
-  int32_t bufSize = pIn->columnData->info.bytes;
-  char *tmp = taosMemoryMalloc(bufSize + VARSTR_HEADER_SIZE);
-
   bool vton = false;
 
   _bufConverteFunc func = NULL;
@@ -423,6 +420,12 @@ int32_t vectorConvertFromVarData(const SScalarParam* pIn, SScalarParam* pOut, in
         continue;
       }
     }
+    int32_t bufSize = pIn->columnData->info.bytes;
+    char *tmp = taosMemoryMalloc(varDataTLen(data));
+    if(!tmp){
+      sclError("out of memory in vectorConvertFromVarData");
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
     if (vton) {
       memcpy(tmp, data, varDataTLen(data));
     } else {
@@ -444,9 +447,9 @@ int32_t vectorConvertFromVarData(const SScalarParam* pIn, SScalarParam* pOut, in
     }
     
     (*func)(tmp, pOut, i);
+    taosMemoryFreeClear(tmp);
   }
   
-  taosMemoryFreeClear(tmp);
   return TSDB_CODE_SUCCESS;
 }
 
@@ -1674,6 +1677,14 @@ void vectorNotNull(SScalarParam* pLeft, SScalarParam* pRight, SScalarParam *pOut
 
 void vectorIsTrue(SScalarParam* pLeft, SScalarParam* pRight, SScalarParam *pOut, int32_t _ord) {
   vectorConvertImpl(pLeft, pOut);
+  for(int32_t i = 0; i < pOut->numOfRows; ++i) {
+    if(colDataIsNull_s(pOut->columnData, i)) {
+      int8_t v = 0;
+      colDataAppendInt8(pOut->columnData, i, &v);
+      colDataSetNotNull_f(pOut->columnData->nullbitmap, i);
+    }
+  }
+  pOut->columnData->hasNull = false;
 }
 
 STagVal getJsonValue(char *json, char *key, bool *isExist) {

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;

tests/system-test/2-query/json_tag.py

@@ -109,9 +109,6 @@ class TDTestCase:
         # print("============== STEP 3 ===== query table")
         # # test error syntax
         tdSql.error("select * from jsons1 where jtag->tag1='beijing'")
-        #tdSql.error("select * from jsons1 where jtag->'location'")
-        #tdSql.error("select * from jsons1 where jtag->''")
-        #tdSql.error("select * from jsons1 where jtag->''=9")
         tdSql.error("select -> from jsons1")
         tdSql.error("select * from jsons1 where contains")
         tdSql.error("select * from jsons1 where jtag->")
@@ -341,6 +338,13 @@ class TDTestCase:
         # tdSql.checkRows(3)
         # tdSql.query("select * from jsons1 where jtag->'tag1' between 'femail' and 'beijing'")
         # tdSql.checkRows(2)
+
+        # test is true
+        tdSql.query("select * from jsons1 where jtag->'location'")
+        tdSql.checkRows(0)
+        tdSql.query("select * from jsons1 where jtag->'tag1'")
+        tdSql.checkRows(3)
+
         #
         # # test with tbname/normal column
         tdSql.query("select * from jsons1 where tbname = 'jsons1_1'")