【代码重构】IoT：弱化 TdEngineDDLMapper 封装，由每个业务独立实现

yudao-module-iot/yudao-module-iot-api/src/main/java/cn/iocoder/yudao/module/iot/enums/thingmodel/IotDataSpecsDataTypeEnum.java

@@ -0,0 +1,27 @@
+package cn.iocoder.yudao.module.iot.enums.thingmodel;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * IoT 数据定义的数据类型枚举类
+ *
+ * @author 芋道源码
+ */
+@AllArgsConstructor
+@Getter
+public enum IotDataSpecsDataTypeEnum {
+
+    INT("int"),
+    FLOAT("float"),
+    DOUBLE("double"),
+    ENUM("enum"),
+    BOOL("bool"),
+    TEXT("text"),
+    DATE("date"),
+    STRUCT("struct"),
+    ARRAY("array");
+
+    private final String dataType;
+
+}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/api/device/DeviceDataApiImpl.java

@@ -1,6 +1,6 @@
 package cn.iocoder.yudao.module.iot.api.device;
 
-import cn.iocoder.yudao.module.iot.service.device.IotDeviceDataService;
+import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
@@ -14,7 +14,7 @@ import javax.annotation.Resource;
 public class DeviceDataApiImpl implements DeviceDataApi {
 
     @Resource
-    private IotDeviceDataService deviceDataService;
+    private IotDevicePropertyDataService deviceDataService;
 
     @Override
     public void saveDeviceData(String productKey, String deviceName, String message) {

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDeviceDataController.java

@@ -7,7 +7,7 @@ import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDevi
 import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataRespVO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDataDO;
 import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotTimeDataRespVO;
-import cn.iocoder.yudao.module.iot.service.device.IotDeviceDataService;
+import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.annotation.Resource;
@@ -29,7 +29,7 @@ import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 public class IotDeviceDataController {
 
     @Resource
-    private IotDeviceDataService deviceDataService;
+    private IotDevicePropertyDataService deviceDataService;
 
     // TODO @浩浩：这里的 /latest-list，包括方法名。
     @GetMapping("/latest")

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thingmodel/model/ThingModelProperty.java

@@ -30,7 +30,8 @@ public class ThingModelProperty {
     private String description;
     /**
      * 云端可以对该属性进行的操作类型
-     * 关联枚举 {@link IotProductThingModelAccessModeEnum}
+     *
+     * 枚举 {@link IotProductThingModelAccessModeEnum}
      */
     private String accessMode;
     /**
@@ -42,6 +43,8 @@ public class ThingModelProperty {
     private Boolean required;
     /**
      * 数据类型，与 dataSpecs 的 dataType 保持一致
+     *
+     * 枚举 {@link cn.iocoder.yudao.module.iot.enums.thingmodel.IotDataSpecsDataTypeEnum}
      */
     private String dataType;
     /**

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thingmodel/model/dataType/ThingModelDateOrTextDataSpecs.java

@@ -20,7 +20,7 @@ public class ThingModelDateOrTextDataSpecs extends ThingModelDataSpecs {
      * 数据长度，单位为字节。取值不能超过 2048。
      * 当 dataType 为 text 时，需传入该参数。
      */
-    private Long length;
+    private Integer length;
     /**
      * 默认值，可选参数，用于存储默认值。
      */

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/FieldParser.java

@@ -16,6 +16,7 @@ public class FieldParser {
     /**
      * 物模型到td数据类型映射
      */
+    @Deprecated
     private static final HashMap<String, String> TYPE_MAPPING = new HashMap<>() {
         {
             put("INT", "INT");
@@ -74,6 +75,7 @@ public class FieldParser {
     /**
      * 获取字段字义
      */
+    @Deprecated
     public static String getFieldDefine(TdFieldDO field) {
         return "`" + field.getFieldName() + "`" + " "
                 + (field.getDataLength() > 0 ? String.format("%s(%d)", field.getDataType(), field.getDataLength())

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/SelectDO.java

@@ -2,13 +2,12 @@ package cn.iocoder.yudao.module.iot.dal.dataobject.tdengine;
 
 import lombok.Data;
 
-import java.util.Set;
-
 // TODO @haohao：类似这个，其实可以参考 mybatis plus，querywrapper，搞个 TdEngineQueryWrapper。这样看起来会更好懂。
 /**
  * 查询DO
  */
 @Data
+@Deprecated
 public class SelectDO {
 
     // TODO @haoha：database 是个单词

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/SelectVisualDO.java

@@ -6,6 +6,7 @@ import java.util.Map;
 
 // TODO @haohao：类似 SelectDO 的想法，只是它是返回。ps：貌似可以在 tdengine 里面，创建一个 query 包，放这种比较特殊的查询和结果对象。dataobject 更多还是实际存储的结构化的 do
 @Data
+@Deprecated
 public class SelectVisualDO {
 
     /**

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/TagsSelectDO.java

@@ -6,6 +6,7 @@ import lombok.Data;
  * tags查询DO
  */
 @Data
+@Deprecated
 public class TagsSelectDO {
 
     /**

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/TdFieldDO.java

@@ -5,6 +5,7 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+// TODO 芋艿：看看是不是后续简化掉。
 /**
  * TD 引擎的字段
  */
@@ -12,6 +13,7 @@ import lombok.NoArgsConstructor;
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
+@Deprecated
 public class TdFieldDO {
 
     /**

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/TdResponse.java

@@ -12,6 +12,7 @@ import java.util.List;
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
+@Deprecated
 public class TdResponse {
 
     public static final int CODE_SUCCESS = 0;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/TdRestApi.java

@@ -13,6 +13,7 @@ import org.springframework.stereotype.Service;
  */
 @Slf4j
 @Service
+@Deprecated // TODO 芋艿：貌似没用到
 public class TdRestApi {
 
     @Value("${spring.datasource.dynamic.datasource.tdengine.url}")

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/tdengine/TdTableDO.java

@@ -7,6 +7,7 @@ import lombok.NoArgsConstructor;
 
 import java.util.List;
 
+@Deprecated
 /**
  * TD 引擎的数据库
  */

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/thingmodel/IotProductThingModelDO.java

@@ -16,6 +16,7 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+// TODO @huihui：IotProductThingModelDO => IotThingModelDO
 /**
  * IoT 产品物模型功能 DO
  * <p>

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/tdengine/IotDevicePropertyDataMapper.java

@@ -0,0 +1,55 @@
+package cn.iocoder.yudao.module.iot.dal.tdengine;
+
+import cn.hutool.core.util.ObjectUtil;
+import cn.iocoder.yudao.module.iot.framework.tdengine.core.TDengineTableField;
+import cn.iocoder.yudao.module.iot.framework.tdengine.core.annotation.TDengineDS;
+import com.baomidou.mybatisplus.annotation.InterceptorIgnore;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Mapper
+@TDengineDS
+@InterceptorIgnore(tenantLine = "true") // 避免 SQL 解析，因为 JSqlParser 对 TDengine 的 SQL 解析会报错
+public interface IotDevicePropertyDataMapper {
+
+    List<TDengineTableField> getProductPropertySTableFieldList(@Param("productKey") String productKey);
+
+    void createProductPropertySTable(@Param("productKey") String productKey,
+                                     @Param("fields") List<TDengineTableField> fields);
+
+    @SuppressWarnings("SimplifyStreamApiCallChains") // 保持 JDK8 兼容性
+    default void alterProductPropertySTable(String productKey,
+                                            List<TDengineTableField> oldFields,
+                                            List<TDengineTableField> newFields) {
+        oldFields.removeIf(field -> TDengineTableField.FIELD_TS.equals(field.getField())
+                || TDengineTableField.FIELD_DEVICE_KEY.equals(field.getField()));
+        List<TDengineTableField> addFields = newFields.stream().filter( // 新增的字段
+                        newField -> oldFields.stream().noneMatch(oldField -> oldField.getField().equals(newField.getField())))
+                .collect(Collectors.toList());
+        List<TDengineTableField> modifyFields = newFields.stream().filter( // 更新的字段
+                        newField -> oldFields.stream().anyMatch(oldField -> oldField.getField().equals(newField.getField())
+                                && (ObjectUtil.notEqual(oldField.getType(), newField.getType())
+                                    || (newField.getLength() != null && ObjectUtil.notEqual(oldField.getLength(), newField.getLength())))))
+                .collect(Collectors.toList());
+        List<TDengineTableField> dropFields = oldFields.stream().filter( // 删除的字段
+                        oldField -> newFields.stream().noneMatch(n -> n.getField().equals(oldField.getField())))
+                .collect(Collectors.toList());
+        addFields.forEach(field -> alterProductPropertySTableAddField(productKey, field));
+        // TODO 芋艿：tdengine 只允许 modify 长度；如果 type 变化，只能 drop + add
+        modifyFields.forEach(field -> alterProductPropertySTableModifyField(productKey, field));
+        dropFields.forEach(field -> alterProductPropertySTableDropField(productKey, field));
+    }
+
+    void alterProductPropertySTableAddField(@Param("productKey") String productKey,
+                                            @Param("field") TDengineTableField field);
+
+    void alterProductPropertySTableModifyField(@Param("productKey") String productKey,
+                                               @Param("field") TDengineTableField field);
+
+    void alterProductPropertySTableDropField(@Param("productKey") String productKey,
+                                             @Param("field") TDengineTableField field);
+
+}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/tdengine/TdEngineDDLMapper.java

@@ -96,7 +96,6 @@ public interface TdEngineDDLMapper {
     @TenantIgnore
     void modifyColumnWidthForSuperTable(TdTableDO superTable);
 
-
     /**
      * 修改超级表 - 为超级表添加标签
      *

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/emq/service/EmqxServiceImpl.java

@@ -1,7 +1,6 @@
 package cn.iocoder.yudao.module.iot.emq.service;
 
-import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
-import cn.iocoder.yudao.module.iot.service.device.IotDeviceDataService;
+import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.eclipse.paho.client.mqttv3.MqttClient;
@@ -21,7 +20,7 @@ import org.springframework.stereotype.Service;
 public class EmqxServiceImpl implements EmqxService {
 
     @Resource
-    private IotDeviceDataService iotDeviceDataService;
+    private IotDevicePropertyDataService iotDeviceDataService;
 
     // TODO 多线程处理消息
     @Override

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/framework/tdengine/core/TDengineTableField.java

@@ -0,0 +1,63 @@
+package cn.iocoder.yudao.module.iot.framework.tdengine.core;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * TDEngine 表字段
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class TDengineTableField {
+
+    /**
+     * 字段名 - TDengine 默认 ts 字段，默认会被 TDengine 创建
+     */
+    public static final String FIELD_TS = "ts";
+
+    /**
+     * 字段名 - 我们系统定义的 device_key 字段，非 TDengine 默认字段
+     */
+    public static final String FIELD_DEVICE_KEY = "device_key";
+
+    public static final String TYPE_TINYINT = "TINYINT";
+    public static final String TYPE_INT = "INT";
+    public static final String TYPE_FLOAT = "FLOAT";
+    public static final String TYPE_DOUBLE = "DOUBLE";
+    public static final String TYPE_BOOL = "BOOL";
+    public static final String TYPE_NCHAR = "NCHAR";
+    public static final String TYPE_TIMESTAMP = "TIMESTAMP";
+
+    /**
+     * 注释 - TAG 字段
+     */
+    public static final String NOTE_TAG = "TAG";
+
+    /**
+     * 字段名
+     */
+    private String field;
+
+    /**
+     * 字段类型
+     */
+    private String type;
+
+    /**
+     * 字段长度
+     */
+    private Integer length;
+
+    /**
+     * 注释
+     */
+    private String note;
+
+    public TDengineTableField(String field, String type) {
+        this.field = field;
+        this.type = type;
+    }
+
+}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/framework/tdengine/core/annotation/TDengineDS.java

@@ -0,0 +1,17 @@
+package cn.iocoder.yudao.module.iot.framework.tdengine.core.annotation;
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+
+import java.lang.annotation.*;
+
+/**
+ * TDEngine 数据源
+ *
+ * @author 芋道源码
+ */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@DS("tdengine")
+public @interface TDengineDS {
+}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/framework/tdengine/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * iot 模块的 tdengine 拓展封装
+ */
+package cn.iocoder.yudao.module.iot.framework.tdengine;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/IotDeviceDataService.java → yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/IotDevicePropertyDataService.java

@@ -9,11 +9,18 @@ import java.util.List;
 import java.util.Map;
 
 /**
- * IoT 设备数据 Service 接口
+ * IoT 设备【属性】数据 Service 接口
  *
  * @author 芋道源码
  */
-public interface IotDeviceDataService {
+public interface IotDevicePropertyDataService {
+
+    /**
+     * 定义设备属性数据的结构
+     *
+     * @param productId 产品编号
+     */
+    void defineDevicePropertyData(Long productId);
 
     /**
      * 保存设备数据
@@ -40,4 +47,5 @@ public interface IotDeviceDataService {
      * @return 设备属性历史数据
      */
     PageResult<Map<String, Object>> getHistoryDeviceProperties(@Valid IotDeviceDataPageReqVO deviceDataReqVO);
+
 }

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/IotDeviceDataServiceImpl.java → yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/IotDevicePropertyDataServiceImpl.java

@@ -1,19 +1,27 @@
 package cn.iocoder.yudao.module.iot.service.device;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.map.MapUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONObject;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.thingmodel.model.dataType.ThingModelDateOrTextDataSpecs;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDataDO;
+import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.SelectVisualDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.ThingModelMessage;
 import cn.iocoder.yudao.module.iot.dal.dataobject.thingmodel.IotProductThingModelDO;
+import cn.iocoder.yudao.module.iot.dal.tdengine.IotDevicePropertyDataMapper;
 import cn.iocoder.yudao.module.iot.dal.redis.deviceData.DeviceDataRedisDAO;
 import cn.iocoder.yudao.module.iot.dal.tdengine.TdEngineDMLMapper;
 import cn.iocoder.yudao.module.iot.enums.IotConstants;
+import cn.iocoder.yudao.module.iot.enums.thingmodel.IotDataSpecsDataTypeEnum;
 import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelTypeEnum;
+import cn.iocoder.yudao.module.iot.framework.tdengine.core.TDengineTableField;
+import cn.iocoder.yudao.module.iot.service.product.IotProductService;
 import cn.iocoder.yudao.module.iot.service.tdengine.IotThingModelMessageService;
 import cn.iocoder.yudao.module.iot.service.thingmodel.IotProductThingModelService;
 import jakarta.annotation.Resource;
@@ -28,11 +36,32 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
 
-@Slf4j
+/**
+ * IoT 设备【属性】数据 Service 实现类
+ *
+ * @author 芋道源码
+ */
 @Service
-public class IotDeviceDataServiceImpl implements IotDeviceDataService {
+@Slf4j
+public class IotDevicePropertyDataServiceImpl implements IotDevicePropertyDataService {
+
+    /**
+     * 物模型的数据类型，与 TDengine 数据类型的映射关系
+     */
+    private static final Map<String, String> TYPE_MAPPING = MapUtil.<String, String>builder()
+            .put(IotDataSpecsDataTypeEnum.INT.getDataType(), TDengineTableField.TYPE_INT)
+            .put(IotDataSpecsDataTypeEnum.FLOAT.getDataType(), TDengineTableField.TYPE_FLOAT)
+            .put(IotDataSpecsDataTypeEnum.DOUBLE.getDataType(), TDengineTableField.TYPE_DOUBLE)
+            .put(IotDataSpecsDataTypeEnum.ENUM.getDataType(), TDengineTableField.TYPE_TINYINT) // TODO 芋艿：为什么要映射为 TINYINT 的说明？
+            .put( IotDataSpecsDataTypeEnum.BOOL.getDataType(), TDengineTableField.TYPE_TINYINT) // TODO 芋艿：为什么要映射为 TINYINT 的说明？
+            .put(IotDataSpecsDataTypeEnum.TEXT.getDataType(), TDengineTableField.TYPE_NCHAR)
+            .put(IotDataSpecsDataTypeEnum.DATE.getDataType(), TDengineTableField.TYPE_TIMESTAMP)
+            .put(IotDataSpecsDataTypeEnum.STRUCT.getDataType(), TDengineTableField.TYPE_NCHAR) // TODO 芋艿：怎么映射！！！！
+            .put(IotDataSpecsDataTypeEnum.ARRAY.getDataType(), TDengineTableField.TYPE_NCHAR) // TODO 芋艿：怎么映射！！！！
+            .build();
 
     @Value("${spring.datasource.dynamic.datasource.tdengine.url}")
     private String url;
@@ -43,12 +72,61 @@ public class IotDeviceDataServiceImpl implements IotDeviceDataService {
     private IotThingModelMessageService thingModelMessageService;
     @Resource
     private IotProductThingModelService thingModelService;
+    @Resource
+    private IotProductService productService;
+
     @Resource
     private TdEngineDMLMapper tdEngineDMLMapper;
 
     @Resource
     private DeviceDataRedisDAO deviceDataRedisDAO;
 
+    @Resource
+    private IotDevicePropertyDataMapper devicePropertyDataMapper;
+
+    @Override
+    public void defineDevicePropertyData(Long productId) {
+        // 1.1 查询产品和物模型
+        IotProductDO product = productService.validateProductExists(productId);
+        List<IotProductThingModelDO> thingModels = filterList(thingModelService.getProductThingModelListByProductId(productId),
+                thingModel -> IotProductThingModelTypeEnum.PROPERTY.getType().equals(thingModel.getType()));
+        // 1.2 解析 DB 里的字段
+        List<TDengineTableField> oldFields = new ArrayList<>();
+        try {
+            oldFields.addAll(devicePropertyDataMapper.getProductPropertySTableFieldList(product.getProductKey()));
+        } catch (Exception e) {
+            if (!e.getMessage().contains("Table does not exist")) {
+                throw e;
+            }
+        }
+
+        // 2.1 情况一：如果是新增的时候，需要创建表
+        List<TDengineTableField> newFields = buildTableFieldList(thingModels);
+        if (CollUtil.isEmpty(oldFields)) {
+            if (CollUtil.isEmpty(newFields)) {
+                log.info("[defineDevicePropertyData][productId({}) 没有需要定义的属性]", productId);
+                return;
+            }
+            newFields.add(0, new TDengineTableField(TDengineTableField.FIELD_TS, TDengineTableField.TYPE_TIMESTAMP));
+            devicePropertyDataMapper.createProductPropertySTable(product.getProductKey(), newFields);
+            return;
+        }
+        // 2.2 情况二：如果是修改的时候，需要更新表
+        devicePropertyDataMapper.alterProductPropertySTable(product.getProductKey(), oldFields, newFields);
+    }
+
+    private List<TDengineTableField> buildTableFieldList(List<IotProductThingModelDO> thingModels) {
+        return convertList(thingModels, thingModel -> {
+            TDengineTableField field = new TDengineTableField(
+                    thingModel.getIdentifier().toLowerCase(), // TODO 芋艿：为什么要转成小写？
+                    TYPE_MAPPING.get(thingModel.getProperty().getDataType()));
+            if (thingModel.getProperty().getDataType().equals(IotDataSpecsDataTypeEnum.TEXT.getDataType())) {
+                field.setLength(((ThingModelDateOrTextDataSpecs) thingModel.getProperty().getDataSpecs()).getLength());
+            }
+            return field;
+        });
+    }
+
     @Override
     public void saveDeviceData(String productKey, String deviceName, String message) {
         // 1. 根据产品 key 和设备名称，获得设备信息

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/product/IotProductServiceImpl.java

@@ -7,6 +7,7 @@ import cn.iocoder.yudao.module.iot.controller.admin.product.vo.product.IotProduc
 import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
 import cn.iocoder.yudao.module.iot.dal.mysql.product.IotProductMapper;
 import cn.iocoder.yudao.module.iot.enums.product.IotProductStatusEnum;
+import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
 import cn.iocoder.yudao.module.iot.service.tdengine.IotThingModelMessageService;
 import cn.iocoder.yudao.module.iot.service.thingmodel.IotProductThingModelService;
 import com.baomidou.dynamic.datasource.annotation.DSTransactional;
@@ -39,6 +40,9 @@ public class IotProductServiceImpl implements IotProductService {
     @Resource
     @Lazy  // 延迟加载，解决循环依赖
     private IotThingModelMessageService thingModelMessageService;
+    @Resource
+    @Lazy  // 延迟加载，解决循环依赖
+    private IotDevicePropertyDataService devicePropertyDataService;
 
     @Override
     public Long createProduct(IotProductSaveReqVO createReqVO) {
@@ -119,8 +123,8 @@ public class IotProductServiceImpl implements IotProductService {
         // 3. 产品是发布状态
         if (Objects.equals(status, IotProductStatusEnum.PUBLISHED.getStatus())) {
             // 3.1 创建产品超级表数据模型
-            thingModelFunctionService.createSuperTableDataModel(id);
-            // 3.2 创建物模型日志超级表数据模型
+            devicePropertyDataService.defineDevicePropertyData(id);
+            // 3.2 创建物模型日志超级表数据模型 TODO 待定：message 要不要分；
             thingModelMessageService.createSuperTable(id);
         }
         productMapper.updateById(updateObj);

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/tdengine/IotSuperTableService.java

@@ -1,19 +0,0 @@
-package cn.iocoder.yudao.module.iot.service.tdengine;
-
-
-import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
-import cn.iocoder.yudao.module.iot.dal.dataobject.thingmodel.IotProductThingModelDO;
-
-import java.util.List;
-
-/**
- * IoT 超级表服务，负责根据物模型创建和更新超级表，以及创建超级表的子表等操作。
- */
-public interface IotSuperTableService {
-
-    /**
-     * 创建超级表数据模型
-     */
-    void createSuperTableDataModel(IotProductDO product, List<IotProductThingModelDO> thingModelList);
-
-}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/tdengine/IotSuperTableServiceImpl.java

@@ -1,260 +0,0 @@
-package cn.iocoder.yudao.module.iot.service.tdengine;
-
-import cn.hutool.core.bean.BeanUtil;
-import cn.hutool.core.collection.CollUtil;
-import cn.iocoder.yudao.module.iot.controller.admin.thingmodel.model.ThingModelProperty;
-import cn.iocoder.yudao.module.iot.controller.admin.thingmodel.model.ThingModelRespVO;
-import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
-import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.FieldParser;
-import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.TdFieldDO;
-import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.TdTableDO;
-import cn.iocoder.yudao.module.iot.dal.dataobject.thingmodel.IotProductThingModelDO;
-import cn.iocoder.yudao.module.iot.dal.tdengine.TdEngineDDLMapper;
-import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelTypeEnum;
-import jakarta.annotation.Resource;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Service;
-
-import java.util.*;
-import java.util.stream.Collectors;
-
-/**
- * IoT 超级表服务实现类，负责根据物模型创建和更新超级表，以及创建超级表的子表等操作。
- */
-@Service
-@Slf4j
-public class IotSuperTableServiceImpl implements IotSuperTableService {
-
-    @Resource
-    private TdEngineDDLMapper tdEngineDDLMapper;
-
-    @Value("${spring.datasource.dynamic.datasource.tdengine.url}")
-    private String url;
-
-    @Override
-    public void createSuperTableDataModel(IotProductDO product, List<IotProductThingModelDO> thingModelList) {
-        ThingModelRespVO thingModel = buildThingModel(product, thingModelList);
-
-        if (thingModel.getModel() == null || CollUtil.isEmpty(thingModel.getModel().getProperties())) {
-            log.warn("物模型属性列表为空，不创建超级表");
-            return;
-        }
-
-        String superTableName = getSuperTableName(product.getDeviceType(), product.getProductKey());
-        String databaseName = getDatabaseName();
-
-        List<Map<String, Object>> results = tdEngineDDLMapper.showSuperTables(new TdTableDO(databaseName, superTableName));
-        int tableExists = results == null || results.isEmpty() ? 0 : results.size();
-        if (tableExists > 0) {
-            updateSuperTable(thingModel, product.getDeviceType());
-        } else {
-            createSuperTable(thingModel, product.getDeviceType());
-        }
-    }
-
-    /**
-     * 创建超级表
-     */
-    private void createSuperTable(ThingModelRespVO thingModel, Integer deviceType) {
-        // 解析物模型，获取字段列表
-        List<TdFieldDO> schemaFields = new ArrayList<>();
-        schemaFields.add(TdFieldDO.builder()
-                .fieldName("time")
-                .dataType("TIMESTAMP")
-                .build());
-        schemaFields.addAll(FieldParser.parse(thingModel));
-
-        // 设置超级表的标签
-        List<TdFieldDO> tagsFields = List.of(
-                TdFieldDO.builder().fieldName("product_key").dataType("NCHAR").dataLength(64).build(),
-                TdFieldDO.builder().fieldName("device_key").dataType("NCHAR").dataLength(64).build(),
-                TdFieldDO.builder().fieldName("device_name").dataType("NCHAR").dataLength(64).build(),
-                TdFieldDO.builder().fieldName("device_type").dataType("INT").build()
-        );
-
-        // 获取超级表的名称和数据库名称
-        String superTableName = getSuperTableName(deviceType, thingModel.getProductKey());
-        String databaseName = getDatabaseName();
-
-        // 创建超级表
-        tdEngineDDLMapper.createSuperTable(new TdTableDO(databaseName, superTableName, schemaFields, tagsFields));
-    }
-
-    /**
-     * 更新超级表
-     */
-    private void updateSuperTable(ThingModelRespVO thingModel, Integer deviceType) {
-        String superTableName = getSuperTableName(deviceType, thingModel.getProductKey());
-        try {
-            List<TdFieldDO> oldFields = getTableFields(superTableName);
-            List<TdFieldDO> newFields = FieldParser.parse(thingModel);
-
-            updateTableFields(superTableName, oldFields, newFields);
-        } catch (Exception e) {
-            log.error("更新物模型超级表失败: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * 获取表的字段信息
-     */
-    private List<TdFieldDO> getTableFields(String tableName) {
-        List<Map<String, Object>> tableDescription = tdEngineDDLMapper.describeSuperTable(new TdTableDO(getDatabaseName(), tableName));
-        if (CollUtil.isEmpty(tableDescription)) {
-            return Collections.emptyList();
-        }
-
-        return tableDescription.stream()
-                .filter(map -> !"TAG".equals(map.get("note")))
-                .filter(map -> !"time".equals(map.get("field")))
-                .map(map -> TdFieldDO.builder()
-                        .fieldName((String) map.get("field"))
-                        .dataType((String) map.get("type"))
-                        .dataLength((Integer) map.get("length"))
-                        .build())
-                .collect(Collectors.toList());
-    }
-
-    /**
-     * 更新表的字段，包括新增、修改和删除字段
-     */
-    private void updateTableFields(String tableName, List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
-        String databaseName = getDatabaseName();
-
-        // 获取新增、修改、删除的字段
-        List<TdFieldDO> addFields = getAddFields(oldFields, newFields);
-        List<TdFieldDO> modifyFields = getModifyFields(oldFields, newFields);
-        List<TdFieldDO> dropFields = getDropFields(oldFields, newFields);
-
-        // 添加新增字段
-        if (CollUtil.isNotEmpty(addFields)) {
-            for (TdFieldDO addField : addFields) {
-                tdEngineDDLMapper.addColumnForSuperTable(TdTableDO.builder()
-                        .dataBaseName(databaseName)
-                        .superTableName(tableName)
-                        .column(addField)
-                        .build());
-            }
-        }
-        // 删除旧字段
-        if (CollUtil.isNotEmpty(dropFields)) {
-            for (TdFieldDO dropField : dropFields) {
-                tdEngineDDLMapper.dropColumnForSuperTable(TdTableDO.builder()
-                        .dataBaseName(databaseName)
-                        .superTableName(tableName)
-                        .column(dropField)
-                        .build());
-            }
-        }
-        // 修改字段（先删除再添加）
-        if (CollUtil.isNotEmpty(modifyFields)) {
-            for (TdFieldDO modifyField : modifyFields) {
-                tdEngineDDLMapper.dropColumnForSuperTable(TdTableDO.builder()
-                        .dataBaseName(databaseName)
-                        .superTableName(tableName)
-                        .column(modifyField)
-                        .build());
-                tdEngineDDLMapper.addColumnForSuperTable(TdTableDO.builder()
-                        .dataBaseName(databaseName)
-                        .superTableName(tableName)
-                        .column(modifyField)
-                        .build());
-            }
-        }
-    }
-
-    /**
-     * 获取需要新增的字段
-     */
-    private List<TdFieldDO> getAddFields(List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
-        Set<String> oldFieldNames = oldFields.stream()
-                .map(TdFieldDO::getFieldName)
-                .collect(Collectors.toSet());
-        return newFields.stream()
-                .filter(f -> !oldFieldNames.contains(f.getFieldName()))
-                .collect(Collectors.toList());
-    }
-
-    /**
-     * 获取需要修改的字段
-     */
-    private List<TdFieldDO> getModifyFields(List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
-        Map<String, TdFieldDO> oldFieldMap = oldFields.stream()
-                .collect(Collectors.toMap(TdFieldDO::getFieldName, f -> f));
-
-        return newFields.stream()
-                .filter(f -> {
-                    TdFieldDO oldField = oldFieldMap.get(f.getFieldName());
-                    return oldField != null && (
-                            !oldField.getDataType().equals(f.getDataType()) ||
-                                    !Objects.equals(oldField.getDataLength(), f.getDataLength())
-                    );
-                })
-                .collect(Collectors.toList());
-    }
-
-    /**
-     * 获取需要删除的字段
-     */
-    private List<TdFieldDO> getDropFields(List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
-        Set<String> newFieldNames = newFields.stream()
-                .map(TdFieldDO::getFieldName)
-                .collect(Collectors.toSet());
-        return oldFields.stream()
-                .filter(f -> !"time".equals(f.getFieldName()))
-                .filter(f -> !newFieldNames.contains(f.getFieldName()))
-                .collect(Collectors.toList());
-    }
-
-    /**
-     * 构建物模型
-     */
-    private ThingModelRespVO buildThingModel(IotProductDO product, List<IotProductThingModelDO> thingModelList) {
-        ThingModelRespVO thingModel = new ThingModelRespVO();
-        thingModel.setId(product.getId());
-        thingModel.setProductKey(product.getProductKey());
-
-        List<ThingModelProperty> properties = thingModelList.stream()
-                .filter(item -> IotProductThingModelTypeEnum.PROPERTY.equals(
-                        IotProductThingModelTypeEnum.valueOfType(item.getType())))
-                .map(this::buildThingModelProperty)
-                .collect(Collectors.toList());
-
-        ThingModelRespVO.Model model = new ThingModelRespVO.Model();
-        model.setProperties(properties);
-        thingModel.setModel(model);
-
-        return thingModel;
-    }
-
-    /**
-     * 构建物模型属性
-     */
-    private ThingModelProperty buildThingModelProperty(IotProductThingModelDO thingModel) {
-        ThingModelProperty property = BeanUtil.copyProperties(thingModel, ThingModelProperty.class);
-        property.setDataType(thingModel.getProperty().getDataType());
-        return property;
-    }
-
-    /**
-     * 获取数据库名称
-     */
-    private String getDatabaseName() {
-        int index = url.lastIndexOf("/");
-        return index != -1 ? url.substring(index + 1) : url;
-    }
-
-    /**
-     * 获取超级表名称
-     */
-    private String getSuperTableName(Integer deviceType, String productKey) {
-        String prefix = switch (deviceType) {
-            case 1 -> "gateway_sub_";
-            case 2 -> "gateway_";
-            default -> "device_";
-        };
-        return (prefix + productKey).toLowerCase();
-    }
-
-}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/thingmodel/IotProductThingModelService.java

@@ -61,13 +61,6 @@ public interface IotProductThingModelService {
      */
     PageResult<IotProductThingModelDO> getProductThingModelPage(IotProductThingModelPageReqVO pageReqVO);
 
-    /**
-     * 创建超级表数据模型
-     *
-     * @param productId 产品编号
-     */
-    void createSuperTableDataModel(Long productId);
-
     /**
      * 获得产品物模型列表
      *

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/thingmodel/IotProductThingModelServiceImpl.java

@@ -21,7 +21,6 @@ import cn.iocoder.yudao.module.iot.enums.product.IotProductStatusEnum;
 import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelAccessModeEnum;
 import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelTypeEnum;
 import cn.iocoder.yudao.module.iot.service.product.IotProductService;
-import cn.iocoder.yudao.module.iot.service.tdengine.IotSuperTableService;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
@@ -50,8 +49,6 @@ public class IotProductThingModelServiceImpl implements IotProductThingModelServ
 
     @Resource
     private IotProductService productService;
-    @Resource
-    private IotSuperTableService dbStructureDataService;
 
     @Override
     @Transactional(rollbackFor = Exception.class)
@@ -183,18 +180,6 @@ public class IotProductThingModelServiceImpl implements IotProductThingModelServ
         return productThingModelMapper.selectPage(pageReqVO);
     }
 
-    @Override
-    public void createSuperTableDataModel(Long productId) {
-        // 1. 查询产品
-        IotProductDO product = productService.getProduct(productId);
-
-        // 2. 查询产品的物模型功能列表
-        List<IotProductThingModelDO> thingModelList = productThingModelMapper.selectListByProductId(productId);
-
-        // 3. 生成 TDengine 的数据模型
-        dbStructureDataService.createSuperTableDataModel(product, thingModelList);
-    }
-
     @Override
     public List<IotProductThingModelDO> getProductThingModelListByProductKey(String productKey) {
         return productThingModelMapper.selectListByProductKey(productKey);

yudao-module-iot/yudao-module-iot-biz/src/main/resources/mapper/device/IotDevicePropertyDataMapper.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="cn.iocoder.yudao.module.iot.dal.tdengine.IotDevicePropertyDataMapper">
+
+    <select id="getProductPropertySTableFieldList" resultType="cn.iocoder.yudao.module.iot.framework.tdengine.core.TDengineTableField">
+        DESCRIBE product_property_${productKey}
+    </select>
+
+    <update id="createProductPropertySTable">
+        CREATE STABLE product_property_${productKey}
+        <foreach item="field" collection="fields" separator="," open="(" close=")">
+            ${field.field} ${field.type}
+            <if test="field.length != null and field.length > 0">
+                (${field.length})
+            </if>
+        </foreach>
+        TAGS (
+            device_key NCHAR(50)
+        )
+    </update>
+
+    <update id="alterProductPropertySTableAddField">
+        ALTER STABLE product_property_${productKey}
+        ADD COLUMN ${field.field} ${field.type}
+        <if test="field.length != null and field.length > 0">
+            (${field.length})
+        </if>
+    </update>
+
+    <update id="alterProductPropertySTableModifyField">
+        ALTER STABLE product_property_${productKey}
+        MODIFY COLUMN ${field.field} ${field.type}
+        <if test="field.length != null and field.length > 0">
+            (${field.length})
+        </if>
+    </update>
+
+    <update id="alterProductPropertySTableDropField">
+        ALTER STABLE product_property_${productKey}
+        DROP COLUMN ${field.field}
+    </update>
+
+</mapper>