62 lines
3.0 KiB
MySQL
62 lines
3.0 KiB
MySQL
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-- 充电站基础信息表 (SCD2)
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-- 保存场站的名称、地址等相对稳定的信息
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DROP TABLE IF EXISTS t_station_profile_scd;
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CREATE TABLE IF NOT EXISTS t_station_profile_scd (
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`station_hash` VARCHAR(32) NOT NULL COMMENT '业务主键 (名称的MD5值)',
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`valid_start_time` DATETIME NOT NULL COMMENT '记录生效开始时间',
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`id` VARCHAR(50) NOT NULL COMMENT '唯一ID (UUID)',
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`operator` VARCHAR(50) NOT NULL COMMENT '运营商名称',
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`station_name` VARCHAR(255) NOT NULL COMMENT '场站名称',
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`address` VARCHAR(500) COMMENT '详细地址',
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`coord_x` DOUBLE COMMENT '经度 (高德坐标系)',
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`coord_y` DOUBLE COMMENT '纬度 (高德坐标系)',
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`valid_end_time` DATETIME NOT NULL DEFAULT '9999-12-31 23:59:59' COMMENT '记录生效结束时间',
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`is_current` TINYINT NOT NULL DEFAULT 1 COMMENT '是否为当前最新记录 (1=是, 0=否)'
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)
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UNIQUE KEY(`station_hash`, `valid_start_time`, `id`)
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DISTRIBUTED BY HASH(`station_hash`) BUCKETS 10
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PROPERTIES (
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"replication_num" = "1"
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);
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-- 充电站实时状态表 (SCD2 / Log)
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-- 保存场站的桩数、空闲数等动态信息
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-- 每次抓取如果状态变化则写入新记录
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DROP TABLE IF EXISTS t_station_status_scd;
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CREATE TABLE IF NOT EXISTS t_station_status_scd (
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`station_hash` VARCHAR(32) NOT NULL COMMENT '业务主键 (名称的MD5值)',
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`valid_start_time` DATETIME NOT NULL COMMENT '记录生效开始时间',
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`id` VARCHAR(50) NOT NULL COMMENT '唯一ID (UUID)',
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`total_piles` INT COMMENT '总桩数',
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`free_piles` INT COMMENT '空闲桩数',
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`piles_detail_json` TEXT COMMENT '详细桩信息 (JSON格式)',
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`current_price` DECIMAL(10, 4) COMMENT '当前价格快照',
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`pro_price` DECIMAL(10, 4) COMMENT 'PRO会员专享价快照',
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`parking_info` VARCHAR(500) COMMENT '停车收费信息',
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`distance` VARCHAR(50) COMMENT '距离信息 (例如 5.3km)',
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`valid_end_time` DATETIME NOT NULL DEFAULT '9999-12-31 23:59:59' COMMENT '记录生效结束时间',
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`is_current` TINYINT NOT NULL DEFAULT 1 COMMENT '是否为当前最新记录'
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)
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UNIQUE KEY(`station_hash`, `valid_start_time`, `id`)
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DISTRIBUTED BY HASH(`station_hash`) BUCKETS 10
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PROPERTIES (
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"replication_num" = "1"
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);
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-- 充电站价格时段表 (SCD2)
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-- 保存场站的全天价格时段信息
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DROP TABLE IF EXISTS t_station_price_schedule_scd;
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CREATE TABLE IF NOT EXISTS t_station_price_schedule_scd (
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`station_hash` VARCHAR(32) NOT NULL COMMENT '业务主键 (名称的MD5值)',
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`valid_start_time` DATETIME NOT NULL COMMENT '记录生效开始时间',
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`id` VARCHAR(50) NOT NULL COMMENT '唯一ID (UUID)',
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`schedule_json` TEXT COMMENT '价格时段详情 (JSON格式)',
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`valid_end_time` DATETIME NOT NULL DEFAULT '9999-12-31 23:59:59' COMMENT '记录生效结束时间',
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`is_current` TINYINT NOT NULL DEFAULT 1 COMMENT '是否为当前最新记录'
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)
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UNIQUE KEY(`station_hash`, `valid_start_time`, `id`)
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DISTRIBUTED BY HASH(`station_hash`) BUCKETS 10
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PROPERTIES (
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"replication_num" = "1"
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);
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