fix(query): report error if certain function query stable has duplicate

timestamps

TD-19892

source/libs/executor/src/executorimpl.c

@@ -653,7 +653,11 @@ int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBloc
           pfCtx->pDstBlock = pResult;
         }
 
-        numOfRows = pfCtx->fpSet.process(pfCtx);
+        int32_t code = pfCtx->fpSet.process(pfCtx);
+        if (code != TSDB_CODE_SUCCESS) {
+          return code;
+        }
+        numOfRows = pResInfo->numOfRes;
       } else if (fmIsAggFunc(pfCtx->functionId)) {
         // selective value output should be set during corresponding function execution
         if (fmIsSelectValueFunc(pfCtx->functionId)) {

source/libs/function/src/builtins.c

@@ -2640,8 +2640,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "diff",
     .type = FUNCTION_TYPE_DIFF,
-    .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | 
-                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_CUMULATIVE_FUNC,
+    .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_CUMULATIVE_FUNC,
     .translateFunc = translateDiff,
     .getEnvFunc   = getDiffFuncEnv,
     .initFunc     = diffFunctionSetup,

source/libs/function/src/builtinsimpl.c

@@ -3325,6 +3325,7 @@ bool diffFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResInfo) {
   SDiffInfo* pDiffInfo = GET_ROWCELL_INTERBUF(pResInfo);
   pDiffInfo->hasPrev = false;
   pDiffInfo->prev.i64 = 0;
+  pDiffInfo->prevTs = -1;
   if (pCtx->numOfParams > 1) {
     pDiffInfo->ignoreNegative = pCtx->param[1].param.i;  // TODO set correct param
   } else {
@@ -3335,7 +3336,7 @@ bool diffFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResInfo) {
   return true;
 }
 
-static void doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv) {
+static void doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv, int64_t ts) {
   switch (type) {
     case TSDB_DATA_TYPE_BOOL:
       pDiffInfo->prev.i64 = *(bool*)pv ? 1 : 0;
@@ -3362,11 +3363,13 @@ static void doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv) {
     default:
       ASSERT(0);
   }
+  pDiffInfo->prevTs = ts;
 }
 
 static void doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv, SColumnInfoData* pOutput, int32_t pos,
-                         int32_t order) {
+                         int32_t order, int64_t ts) {
   int32_t factor = (order == TSDB_ORDER_ASC) ? 1 : -1;
+  pDiffInfo->prevTs = ts;
   switch (type) {
     case TSDB_DATA_TYPE_INT: {
       int32_t v = *(int32_t*)pv;
@@ -3450,6 +3453,8 @@ int32_t diffFunction(SqlFunctionCtx* pCtx) {
 
   SColumnInfoData* pInputCol = pInput->pData[0];
 
+  TSKEY* tsList = (int64_t*)pInput->pPTS->pData;
+
   int32_t numOfElems = 0;
   int32_t startOffset = pCtx->offset;
 
@@ -3471,7 +3476,10 @@ int32_t diffFunction(SqlFunctionCtx* pCtx) {
       char* pv = colDataGetData(pInputCol, i);
 
       if (pDiffInfo->hasPrev) {
-        doHandleDiff(pDiffInfo, pInputCol->info.type, pv, pOutput, pos, pCtx->order);
+        if (tsList[i] == pDiffInfo->prevTs) {
+          return TSDB_CODE_FUNC_DUP_TIMESTAMP;
+        }
+        doHandleDiff(pDiffInfo, pInputCol->info.type, pv, pOutput, pos, pCtx->order, tsList[i]);
         // handle selectivity
         if (pCtx->subsidiaries.num > 0) {
           appendSelectivityValue(pCtx, i, pos);
@@ -3479,7 +3487,7 @@ int32_t diffFunction(SqlFunctionCtx* pCtx) {
 
         numOfElems++;
       } else {
-        doSetPrevVal(pDiffInfo, pInputCol->info.type, pv);
+        doSetPrevVal(pDiffInfo, pInputCol->info.type, pv, tsList[i]);
       }
 
       pDiffInfo->hasPrev = true;
@@ -3501,7 +3509,10 @@ int32_t diffFunction(SqlFunctionCtx* pCtx) {
 
       // there is a row of previous data block to be handled in the first place.
       if (pDiffInfo->hasPrev) {
-        doHandleDiff(pDiffInfo, pInputCol->info.type, pv, pOutput, pos, pCtx->order);
+        if (tsList[i] == pDiffInfo->prevTs) {
+          return TSDB_CODE_FUNC_DUP_TIMESTAMP;
+        }
+        doHandleDiff(pDiffInfo, pInputCol->info.type, pv, pOutput, pos, pCtx->order, tsList[i]);
         // handle selectivity
         if (pCtx->subsidiaries.num > 0) {
           appendSelectivityValue(pCtx, i, pos);
@@ -3509,15 +3520,15 @@ int32_t diffFunction(SqlFunctionCtx* pCtx) {
 
         numOfElems++;
       } else {
-        doSetPrevVal(pDiffInfo, pInputCol->info.type, pv);
+        doSetPrevVal(pDiffInfo, pInputCol->info.type, pv, tsList[i]);
       }
 
       pDiffInfo->hasPrev = true;
     }
   }
 
-  // initial value is not set yet
-  return numOfElems;
+  pResInfo->numOfRes = numOfElems;
+  return TSDB_CODE_SUCCESS;
 }
 
 int32_t getTopBotInfoSize(int64_t numOfItems) { return sizeof(STopBotRes) + numOfItems * sizeof(STopBotResItem); }
@@ -6137,6 +6148,9 @@ int32_t derivativeFunction(SqlFunctionCtx* pCtx) {
       if (!pDerivInfo->valueSet) {  // initial value is not set yet
         pDerivInfo->valueSet = true;
       } else {
+        if (tsList[i] == pDerivInfo->prevTs) {
+          return TSDB_CODE_FUNC_DUP_TIMESTAMP;
+        }
         double r = ((v - pDerivInfo->prevValue) * pDerivInfo->tsWindow) / (tsList[i] - pDerivInfo->prevTs);
         if (pDerivInfo->ignoreNegative && r < 0) {
         } else {
@@ -6175,6 +6189,9 @@ int32_t derivativeFunction(SqlFunctionCtx* pCtx) {
       if (!pDerivInfo->valueSet) {  // initial value is not set yet
         pDerivInfo->valueSet = true;
       } else {
+        if (tsList[i] == pDerivInfo->prevTs) {
+          return TSDB_CODE_FUNC_DUP_TIMESTAMP;
+        }
         double r = ((pDerivInfo->prevValue - v) * pDerivInfo->tsWindow) / (pDerivInfo->prevTs - tsList[i]);
         if (pDerivInfo->ignoreNegative && r < 0) {
         } else {
@@ -6202,7 +6219,9 @@ int32_t derivativeFunction(SqlFunctionCtx* pCtx) {
     }
   }
 
-  return numOfElems;
+  pResInfo->numOfRes = numOfElems;
+
+  return TSDB_CODE_SUCCESS;
 }
 
 bool getIrateFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
@@ -6267,11 +6286,15 @@ int32_t irateFunction(SqlFunctionCtx* pCtx) {
       pRateInfo->lastKey = tsList[i];
 
       continue;
+    } else if (tsList[i] == pRateInfo->lastKey) {
+      return TSDB_CODE_FUNC_DUP_TIMESTAMP;
     }
 
     if ((INT64_MIN == pRateInfo->firstKey) || tsList[i] > pRateInfo->firstKey) {
       pRateInfo->firstValue = v;
       pRateInfo->firstKey = tsList[i];
+    } else if (tsList[i] == pRateInfo->firstKey) {
+      return TSDB_CODE_FUNC_DUP_TIMESTAMP;
     }
   }