我来为您设计一个完整的AI小龙虾养护数据库集成维护方案。

数据库架构设计
核心数据模型
-- 1. 基础信息表
CREATE TABLE ponds (
pond_id INT PRIMARY KEY AUTO_INCREMENT,
name VARCHAR(100),
location VARCHAR(200),
capacity INT, -- 养殖容量(只)
area DECIMAL(10,2), -- 面积(平方米)
depth DECIMAL(5,2), -- 深度(米)
status ENUM('active', 'maintenance', 'empty')
);
-- 2. 环境参数表
CREATE TABLE environment_logs (
log_id BIGINT PRIMARY KEY AUTO_INCREMENT,
pond_id INT,
timestamp DATETIME,
temperature DECIMAL(5,2), -- 水温(℃)
ph DECIMAL(4,2), -- pH值
dissolved_oxygen DECIMAL(5,2), -- 溶解氧(mg/L)
ammonia_nitrogen DECIMAL(5,3), -- 氨氮(mg/L)
salinity DECIMAL(5,2), -- 盐度(‰)
turbidity INT, -- 浊度(NTU)
device_id VARCHAR(50),
FOREIGN KEY (pond_id) REFERENCES ponds(pond_id)
);
-- 3. 小龙虾生长记录
CREATE TABLE crayfish_growth (
growth_id BIGINT PRIMARY KEY AUTO_INCREMENT,
pond_id INT,
batch_id VARCHAR(50), -- 批次号
record_date DATE,
avg_length DECIMAL(6,2), -- 平均体长(cm)
avg_weight DECIMAL(6,2), -- 平均体重(g)
molting_rate DECIMAL(5,2), -- 蜕壳率(%)
survival_rate DECIMAL(5,2), -- 存活率(%)
sample_size INT, -- 采样数量
FOREIGN KEY (pond_id) REFERENCES ponds(pond_id)
);
-- 4. 投喂管理表
CREATE TABLE feeding_records (
record_id BIGINT PRIMARY KEY AUTO_INCREMENT,
pond_id INT,
feed_time DATETIME,
feed_type VARCHAR(50), -- 饲料类型
amount DECIMAL(8,2), -- 投喂量(kg)
remaining_amount DECIMAL(8,2), -- 残饵量(kg)
water_quality_before JSON, -- 投喂前水质
water_quality_after JSON, -- 投喂后水质
operator VARCHAR(50),
FOREIGN KEY (pond_id) REFERENCES ponds(pond_id)
);
-- 5. 疾病与健康监测
CREATE TABLE health_records (
record_id BIGINT PRIMARY KEY AUTO_INCREMENT,
pond_id INT,
check_date DATE,
disease_type VARCHAR(100),
symptoms TEXT,
infected_count INT,
treatment_method TEXT,
medication VARCHAR(200),
recovery_rate DECIMAL(5,2),
ai_diagnosis JSON, -- AI诊断结果
image_paths JSON, -- 病虾图片路径
FOREIGN KEY (pond_id) REFERENCES ponds(pond_id)
);
-- 6. AI模型参数表
CREATE TABLE ai_models (
model_id INT PRIMARY KEY AUTO_INCREMENT,
model_name VARCHAR(100),
model_type ENUM('growth_prediction', 'disease_detection', 'water_quality'),
version VARCHAR(20),
accuracy DECIMAL(5,4),
created_date DATETIME,
active BOOLEAN DEFAULT true
);
-- 7. 维护记录表
CREATE TABLE maintenance_logs (
log_id BIGINT PRIMARY KEY AUTO_INCREMENT,
pond_id INT,
maintenance_date DATETIME,
maintenance_type VARCHAR(50),
description TEXT,
duration_minutes INT,
materials_used JSON,
cost DECIMAL(10,2),
technician VARCHAR(50),
before_images JSON,
after_images JSON
);
数据库维护策略
日常维护脚本
-- 1. 数据备份脚本
CREATE PROCEDURE backup_daily_data()
BEGIN
-- 创建每日备份表
CREATE TABLE IF NOT EXISTS environment_logs_backup_YYYYMMDD
AS SELECT * FROM environment_logs WHERE DATE(timestamp) = CURDATE();
-- 备份重要业务数据
INSERT INTO daily_backups (backup_date, table_name, row_count)
SELECT CURDATE(), 'environment_logs', COUNT(*)
FROM environment_logs WHERE DATE(timestamp) = CURDATE();
END;
-- 2. 数据清理脚本(保留90天数据)
CREATE EVENT clean_old_data
ON SCHEDULE EVERY 1 DAY
DO
BEGIN
-- 清理历史数据
DELETE FROM environment_logs
WHERE timestamp < DATE_SUB(NOW(), INTERVAL 90 DAY);
-- 归档重要数据
INSERT INTO historical_logs_archive
SELECT * FROM environment_logs
WHERE timestamp < DATE_SUB(NOW(), INTERVAL 30 DAY);
END;
-- 3. 性能优化脚本
CREATE PROCEDURE optimize_tables()
BEGIN
-- 重建索引
OPTIMIZE TABLE environment_logs, feeding_records, health_records;
-- 更新统计信息
ANALYZE TABLE ponds, crayfish_growth, maintenance_logs;
END;
监控脚本
-- 1. 水质异常检测
CREATE PROCEDURE check_water_quality_anomaly()
BEGIN
INSERT INTO anomalies_detected (pond_id, anomaly_type, detected_time, value, threshold)
SELECT
pond_id,
'temperature_high' as anomaly_type,
timestamp,
temperature,
30 as threshold
FROM environment_logs
WHERE temperature > 30
AND timestamp > DATE_SUB(NOW(), INTERVAL 1 HOUR)
UNION ALL
SELECT
pond_id,
'ph_low' as anomaly_type,
timestamp,
ph,
6.5 as threshold
FROM environment_logs
WHERE ph < 6.5
AND timestamp > DATE_SUB(NOW(), INTERVAL 1 HOUR);
END;
-- 2. 生长异常预警
CREATE PROCEDURE growth_anomaly_alert()
BEGIN
SELECT
g.pond_id,
g.record_date,
g.avg_weight,
LAG(g.avg_weight) OVER (PARTITION BY g.pond_id ORDER BY g.record_date) as prev_weight,
(g.avg_weight - LAG(g.avg_weight) OVER (PARTITION BY g.pond_id ORDER BY g.record_date)) /
LAG(g.avg_weight) OVER (PARTITION BY g.pond_id ORDER BY g.record_date) * 100 as growth_rate
FROM crayfish_growth g
WHERE g.record_date >= DATE_SUB(CURDATE(), INTERVAL 7 DAY)
HAVING growth_rate < -10; -- 体重下降超过10%
END;
API接口设计(RESTful)
from flask_sqlalchemy import SQLAlchemy
import pandas as pd
from datetime import datetime, timedelta
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://user:password@localhost/crayfish_db'
db = SQLAlchemy(app)
class Pond(db.Model):
__tablename__ = 'ponds'
pond_id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100))
status = db.Column(db.String(20))
@app.route('/api/environment', methods=['GET'])
def get_environment_data():
"""获取环境数据"""
pond_id = request.args.get('pond_id')
hours = request.args.get('hours', 24)
query = """
SELECT * FROM environment_logs
WHERE pond_id = :pond_id
AND timestamp > DATE_SUB(NOW(), INTERVAL :hours HOUR)
ORDER BY timestamp DESC
"""
result = db.session.execute(query, {'pond_id': pond_id, 'hours': hours})
return jsonify([dict(row) for row in result])
@app.route('/api/feeding/optimize', methods=['POST'])
def optimize_feeding():
"""AI优化的投喂建议"""
data = request.json
pond_id = data['pond_id']
# 获取最近水质数据
water_quality = get_recent_water_quality(pond_id)
# 获取小龙虾生长阶段
growth_stage = get_growth_stage(pond_id)
# AI模型计算最优投喂方案
recommendation = ai_model.predict(
water_quality=water_quality,
growth_stage=growth_stage,
temperature=data.get('temperature'),
season=datetime.now().month
)
return jsonify(recommendation)
@app.route('/api/maintenance/schedule', methods=['GET'])
def get_maintenance_schedule():
"""获取维护计划"""
pond_id = request.args.get('pond_id')
schedule = db.session.query(MaintenanceSchedule).filter_by(
pond_id=pond_id,
completed=False
).order_by('due_date').all()
return jsonify([{
'task': s.task_name,
'due_date': s.due_date.strftime('%Y-%m-%d'),
'frequency': s.frequency_days,
'last_completed': s.last_completed
} for s in schedule])
维护计划表
| 维护任务 | 频率 | 执行时间 | 负责人 | 检查项 |
|---|---|---|---|---|
| 数据库备份 | 每日 | 02:00 | 系统 | 完整备份+增量备份 |
| 数据清理 | 每周 | 周日03:00 | 系统 | 清理90天前日志 |
| 索引重建 | 每月 | 第一个周日04:00 | 系统 | 主要业务表索引 |
| 性能监控 | 实时 | 持续 | 监控系统 | 查询响应时间、连接数 |
| 安全审计 | 每月 | 15日09:00 | 管理员 | 用户权限、访问日志 |
| 数据一致性检查 | 每日 | 06:00 | 系统 | 外键约束、数据完整性 |
灾难恢复方案
-- 1. 数据恢复脚本
CREATE PROCEDURE restore_from_backup(IN backup_date DATE)
BEGIN
-- 停止写入
SET GLOBAL read_only = ON;
-- 从备份恢复
SOURCE /backup/crayfish_db_${backup_date}.sql;
-- 应用增量日志
CALL apply_binlog_since(backup_date);
-- 恢复写入
SET GLOBAL read_only = OFF;
END;
-- 2. 主从复制配置
-- 主库配置
CHANGE MASTER TO
MASTER_HOST='master_host',
MASTER_USER='repl',
MASTER_PASSWORD='password',
MASTER_LOG_FILE='mysql-bin.000001',
MASTER_LOG_POS=107;
-- 3. 监控告警配置
CREATE TABLE system_alerts (
alert_id BIGINT PRIMARY KEY AUTO_INCREMENT,
alert_type VARCHAR(50),
severity ENUM('critical', 'warning', 'info'),
message TEXT,
alert_time DATETIME,
resolved BOOLEAN DEFAULT FALSE,
resolved_time DATETIME
);
性能优化建议
- 查询优化
-- 创建复合索引 CREATE INDEX idx_env_pond_time ON environment_logs(pond_id, timestamp); CREATE INDEX idx_growth_pond_date ON crayfish_growth(pond_id, record_date);
-- 分区表(按时间) ALTER TABLE environment_logs PARTITION BY RANGE (YEAR(timestamp)*100 + MONTH(timestamp)) ( PARTITION p202401 VALUES LESS THAN (202402), PARTITION p202402 VALUES LESS THAN (202403) );
2. **缓存策略**
```python
# Redis缓存配置
import redis
from functools import lru_cache
cache = redis.Redis(host='localhost', port=6379, db=0)
@lru_cache(maxsize=1000)
def get_pond_status(pond_id):
# 先查缓存
cached = cache.get(f'pond_status:{pond_id}')
if cached:
return json.loads(cached)
# 查数据库
result = db.query(Pond).filter_by(pond_id=pond_id).first()
# 写入缓存(过期时间1小时)
cache.setex(f'pond_status:{pond_id}', 3600, json.dumps(result))
return result
这个数据库系统可以支持:
- 实时监控小龙虾养殖环境
- AI驱动的决策支持
- 自动化维护提醒
- 数据分析和报表生成
- 多用户权限管理
需要根据实际养殖规模和需求调整具体参数。
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