package com.rehome.mqttclienttemperature.entity;

import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
import org.hibernate.annotations.Proxy;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;
import javax.persistence.*;
import java.io.Serializable;
import java.util.Date;

@EntityListeners(AuditingEntityListener.class)
@Proxy(lazy = false)
@Data
@Entity
//普通索引,不指定索引名，表自动创建索引名
//@Table(indexes = {@Index(columnList = "dataDate"),@Index(columnList = "locationDesc")})
//普通索引,指定索引名,创建单个索引
//在这个例子中，Temperature实体类通过@Table注解的indexes属性定义了一个名为idx_dataDate的索引，它覆盖了dataDate字段。这意味着在数据库层面，针对dataDate字段的查询将会利用这个索引，从而提高查询效率。
//@Table(indexes = {@Index(name = "idx_dataDate", columnList = "dataDate")})
//同时创建多个普通索引,注意每个索引名都不同
//@Table(indexes = {@Index(name = "idx_dataDate", columnList = "dataDate"),@Index(name = "idx_locationDesc", columnList = "locationDesc")})
//@Table(indexes = {@Index(name = "idx_dataDate", columnList = "dataDate"),@Index(name = "idx_locationDesc", columnList = "locationDesc"),@Index(name = "idx_dataHour", columnList = "dataHour"),@Index(name = "idx_dataMinute", columnList = "dataMinute")})
//创建组合索引,注意每个索引名都相同
//@Table(indexes = {@Index(name = "data_date_location_desc", columnList = "dataDate"),@Index(name = "data_date_location_desc", columnList = "locationDesc")})
//同时创建普通索引和组合索引,注意普通索引每个索引名都不同，注意组合索引每个索引名都相同
@Table(indexes = {@Index(name = "idx_dataDate", columnList = "dataDate"),@Index(name = "idx_locationDesc", columnList = "locationDesc"),@Index(name = "idx_dataHour", columnList = "dataHour"),@Index(name = "idx_dataMinute", columnList = "dataMinute"),@Index(name = "data_date_location_desc", columnList = "dataDate"),@Index(name = "data_date_location_desc", columnList = "locationDesc")})
public class Temperature implements Serializable {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @ApiModelProperty(value = "主键")
    private Long id;

    @ApiModelProperty(value = "温度")
    private Double temperature;

    @ApiModelProperty(value = "湿度")
    private Double humidity;

    @ApiModelProperty(value = "日期")
    @Column(length=20)
    private String dataDate;

    @ApiModelProperty(value = "时")
    @Column(length=20)
    private String dataHour;

    @ApiModelProperty(value = "分")
    @Column(length=20)
    private String dataMinute;

    @ApiModelProperty(value = "主题")
    @Column(length=60)
    private String topic;

    @ApiModelProperty(value = "位置描述")
    @Column(length=80)
    private String locationDesc;

    @ApiModelProperty(value = "时间")
    @Temporal(TemporalType.TIMESTAMP)
    private Date createDate;

}