[TD-225] refactor.

src/query/inc/qFill.h

@@ -49,7 +49,6 @@ typedef struct SFillInfo {
   int32_t numOfTags;            // number of tags
   int32_t numOfCols;            // number of columns, including the tags columns
   int32_t rowSize;              // size of each row
-//  char ** pTags;                // tags value for current interpolation
   SFillTagColInfo* pTags;       // tags value for filling gap
   SInterval interval;
   char *  prevValues;           // previous row of data, to generate the interpolation results
@@ -83,7 +82,7 @@ int64_t getFilledNumOfRes(SFillInfo* pFillInfo, int64_t ekey, int32_t maxNumOfRo
 
 int32_t taosNumOfRemainRows(SFillInfo *pFillInfo);
 
-int taosDoLinearInterpolation(int32_t type, SPoint *point1, SPoint *point2, SPoint *point);
+int32_t taosGetLinearInterpolationVal(int32_t type, SPoint *point1, SPoint *point2, SPoint *point);
 
 int64_t taosGenerateDataBlock(SFillInfo* pFillInfo, tFilePage** output, int32_t capacity);
 

src/query/src/qAst.c

@@ -733,10 +733,6 @@ void tExprTreeTraverse(tExprNode *pExpr, SSkipList *pSkipList, SArray *result, S
     assert(pLeft->nodeType == TSQL_NODE_COL && (pRight->nodeType == TSQL_NODE_VALUE || pRight->nodeType == TSQL_NODE_DUMMY));
 
     param->setupInfoFn(pExpr, param->pExtInfo);
-    if (pSkipList == NULL) {
-      tArrayTraverse(pExpr, param->nodeFilterFn, result);
-      return;
-    }
 
     tQueryInfo *pQueryInfo = pExpr->_node.info;
     if (pQueryInfo->indexed && pQueryInfo->optr != TSDB_RELATION_LIKE) {
@@ -748,10 +744,10 @@ void tExprTreeTraverse(tExprNode *pExpr, SSkipList *pSkipList, SArray *result, S
     return;
   }
 
-  // recursive traverse left child branch
   // The value of hasPK is always 0.
   uint8_t weight = pLeft->_node.hasPK + pRight->_node.hasPK;
   assert(weight == 0 && pSkipList != NULL && taosArrayGetSize(result) == 0);
+
   //apply the hierarchical expression to every node in skiplist for find the qualified nodes
   tSQLBinaryTraverseOnSkipList(pExpr, result, pSkipList, param);
 

src/query/src/qFill.c

@@ -215,7 +215,7 @@ static double linearInterpolationImpl(double v1, double v2, double k1, double k2
   return v1 + (v2 - v1) * (k - k1) / (k2 - k1);
 }
 
-int taosDoLinearInterpolation(int32_t type, SPoint* point1, SPoint* point2, SPoint* point) {
+int32_t taosGetLinearInterpolationVal(int32_t type, SPoint* point1, SPoint* point2, SPoint* point) {
   switch (type) {
     case TSDB_DATA_TYPE_INT: {
       *(int32_t*)point->val = (int32_t)linearInterpolationImpl(*(int32_t*)point1->val, *(int32_t*)point2->val, (double)point1->key,
@@ -343,7 +343,7 @@ static void doFillResultImpl(SFillInfo* pFillInfo, tFilePage** data, int32_t* nu
         point1 = (SPoint){.key = *(TSKEY*)(prevValues), .val = prevValues + pCol->col.offset};
         point2 = (SPoint){.key = ts, .val = srcData[i] + pFillInfo->rowIdx * bytes};
         point  = (SPoint){.key = pFillInfo->start, .val = val1};
-        taosDoLinearInterpolation(type, &point1, &point2, &point);
+        taosGetLinearInterpolationVal(type, &point1, &point2, &point);
       }
 
       setTagsValue(pFillInfo, data, *num);