Merge pull request #16186 from taosdata/fix/TD-18445

fix(query): fix interp pResBlock->rows > capacity cause assert failure 

source/libs/executor/src/timewindowoperator.c

@@ -2154,7 +2154,7 @@ static void doKeepLinearInfo(STimeSliceOperatorInfo* pSliceInfo, const SSDataBlo
 
 static void genInterpolationResult(STimeSliceOperatorInfo* pSliceInfo, SExprSupp* pExprSup, SSDataBlock* pResBlock) {
   int32_t rows = pResBlock->info.rows;
-
+  blockDataEnsureCapacity(pResBlock, rows + 1);
   // todo set the correct primary timestamp column
 
   // output the result