fix(query): leastsquares handles unsigned types

TD-19891

source/libs/function/src/builtinsimpl.c

@@ -2194,6 +2194,56 @@ int32_t leastSQRFunction(SqlFunctionCtx* pCtx) {
       break;
     }
 
+    case TSDB_DATA_TYPE_UTINYINT: {
+      uint8_t* plist = (uint8_t*)pCol->pData;
+      for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
+        if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
+          continue;
+        }
+        numOfElem++;
+        LEASTSQR_CAL(param, x, plist, i, pInfo->stepVal);
+      }
+      break;
+    }
+    case TSDB_DATA_TYPE_USMALLINT: {
+      uint16_t* plist = (uint16_t*)pCol->pData;
+      for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
+        if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
+          continue;
+        }
+
+        numOfElem++;
+        LEASTSQR_CAL(param, x, plist, i, pInfo->stepVal);
+      }
+      break;
+    }
+
+    case TSDB_DATA_TYPE_UINT: {
+      uint32_t* plist = (uint32_t*)pCol->pData;
+      for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
+        if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
+          continue;
+        }
+
+        numOfElem++;
+        LEASTSQR_CAL(param, x, plist, i, pInfo->stepVal);
+      }
+      break;
+    }
+
+    case TSDB_DATA_TYPE_UBIGINT: {
+      uint64_t* plist = (uint64_t*)pCol->pData;
+      for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
+        if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
+          continue;
+        }
+
+        numOfElem++;
+        LEASTSQR_CAL(param, x, plist, i, pInfo->stepVal);
+      }
+      break;
+    }
+
     case TSDB_DATA_TYPE_FLOAT: {
       float* plist = (float*)pCol->pData;
       for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {