167 lines
7.0 KiB
PL/PgSQL
167 lines
7.0 KiB
PL/PgSQL
-- 删除触发器
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DROP TRIGGER IF EXISTS trigger_transport_routes_updated_at ON transport_routes;
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-- 删除函数
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DROP FUNCTION IF EXISTS update_timestamp_column();
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-- 删除表（按依赖顺序）
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DROP TABLE IF EXISTS object_route_assignments;
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DROP TABLE IF EXISTS conflict_alert_logs;
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DROP TABLE IF EXISTS transport_routes;
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-- ============================================
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-- 基于路径的冲突检测系统数据库表
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-- 创建时间: 2025-01-17
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-- 版本: 1.0
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-- ============================================
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-- 启用PostGIS扩展（如果尚未启用）
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CREATE EXTENSION IF NOT EXISTS postgis;
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-- ============================================
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-- 1. 路径定义表 (transport_routes)
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-- ============================================
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CREATE TABLE IF NOT EXISTS transport_routes (
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id BIGSERIAL PRIMARY KEY,
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-- 路径基本信息
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route_name VARCHAR(100) NOT NULL,
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route_type VARCHAR(20) NOT NULL CHECK (route_type IN ('AIRCRAFT', 'UNMANNED_VEHICLE', 'SPECIAL_VEHICLE', 'NORMAL_VEHICLE')),
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-- 路径描述
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description VARCHAR(500),
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-- 空间路径 (LineString)
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route_geometry GEOMETRY(LINESTRING, 4326) NOT NULL,
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-- 路径属性
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max_speed_kph DOUBLE PRECISION CHECK (max_speed_kph > 0),
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typical_speed_kph DOUBLE PRECISION CHECK (typical_speed_kph > 0),
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-- 使用条件
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active_time_start TIME,
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active_time_end TIME,
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-- 状态控制
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status VARCHAR(20) DEFAULT 'ACTIVE' CHECK (status IN ('ACTIVE', 'INACTIVE', 'MAINTENANCE')),
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is_bidirectional BOOLEAN DEFAULT false,
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-- 审计字段
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created_by VARCHAR(50),
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updated_by VARCHAR(50),
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created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
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);
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-- 路径表索引
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CREATE INDEX idx_transport_routes_type ON transport_routes(route_type);
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CREATE INDEX idx_transport_routes_status ON transport_routes(status);
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CREATE INDEX idx_transport_routes_geometry_gist ON transport_routes USING GIST(route_geometry);
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-- ============================================
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-- 4. 实时对象路径分配表 (object_route_assignments)
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-- ============================================
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CREATE TABLE IF NOT EXISTS object_route_assignments (
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id BIGSERIAL PRIMARY KEY,
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-- 对象信息
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object_type VARCHAR(20) NOT NULL CHECK (object_type IN ('UNMANNED_VEHICLE', 'AIRCRAFT', 'SPECIAL_VEHICLE', 'NORMAL_VEHICLE')),
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object_name VARCHAR(100) NOT NULL, -- 车牌号或航班号
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-- 路径分配
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assigned_route_id BIGINT NOT NULL,
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-- 时间信息
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assigned_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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-- 外键约束
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FOREIGN KEY (assigned_route_id) REFERENCES transport_routes(id)
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);
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-- 对象路径分配表索引
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CREATE INDEX idx_object_route_assignments_object_type ON object_route_assignments(object_type);
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CREATE INDEX idx_object_route_assignments_route ON object_route_assignments(assigned_route_id);
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CREATE INDEX idx_object_route_assignments_assigned_at ON object_route_assignments(assigned_at DESC);
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-- ============================================
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-- 5. 预警/告警记录表 (conflict_alert_logs)
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-- ============================================
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CREATE TABLE IF NOT EXISTS conflict_alert_logs (
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id BIGSERIAL PRIMARY KEY,
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-- 告警信息
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alert_type VARCHAR(20) NOT NULL CHECK (alert_type IN ('CONFLICT_WARNING', 'CONFLICT_ALERT')),
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alert_level VARCHAR(20) NOT NULL CHECK (alert_level IN ('WARNING', 'CRITICAL', 'EMERGENCY')),
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alert_message TEXT NOT NULL,
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-- 距离信息
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object1_distance DOUBLE PRECISION, -- 对象1距离冲突点距离
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object2_distance DOUBLE PRECISION, -- 对象2距离冲突点距离
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minimum_distance DOUBLE PRECISION, -- 两对象之间最小距离
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-- 时间信息
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alert_time TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
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);
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-- 告警记录表索引
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CREATE INDEX idx_conflict_alerts_type ON conflict_alert_logs(alert_type);
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CREATE INDEX idx_conflict_alerts_level ON conflict_alert_logs(alert_level);
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CREATE INDEX idx_conflict_alerts_time ON conflict_alert_logs(alert_time DESC);
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-- ============================================
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-- 6. 创建触发器自动更新时间戳
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-- ============================================
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CREATE OR REPLACE FUNCTION update_timestamp_column()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updated_at = CURRENT_TIMESTAMP;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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-- 为相关表创建触发器
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CREATE TRIGGER trigger_transport_routes_updated_at
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BEFORE UPDATE ON transport_routes
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FOR EACH ROW
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EXECUTE FUNCTION update_timestamp_column();
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-- ============================================
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-- 7. 添加表注释
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-- ============================================
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COMMENT ON TABLE transport_routes IS '交通路径定义表 - 存储航空器和无人车的预定路径';
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COMMENT ON TABLE object_route_assignments IS '实时对象路径分配表 - 跟踪对象当前使用的路径';
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COMMENT ON TABLE conflict_alert_logs IS '冲突预警告警记录表 - 记录发送的所有预警和告警消息';
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-- ============================================
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-- 8. 插入示例数据
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-- ============================================
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-- 示例路径数据 (transport_routes)
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INSERT INTO transport_routes (route_name, route_type, description, route_geometry, max_speed_kph, typical_speed_kph) VALUES
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('航班CA1234路径', 'AIRCRAFT', 'CA1234航班的预定路径',
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ST_GeomFromText('LINESTRING(120.086263 36.370484, 120.080996 36.369105)', 4326),
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50, 50),
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('航班MU5123路径', 'AIRCRAFT', 'MU5123航班的预定路径',
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ST_GeomFromText('LINESTRING(120.088076 36.374179, 120.077971 36.371503)', 4326),
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50, 50),
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('特勤车鲁B123路径', 'SPECIAL_VEHICLE', '鲁B123特勤车的预定路径',
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ST_GeomFromText('LINESTRING(120.080801 36.366626, 120.083899 36.367403)', 4326),
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30, 30),
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('普通车鲁B234路径', 'UNMANNED_VEHICLE', '鲁B234普通车的预定路径',
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ST_GeomFromText('LINESTRING(120.087259 36.368299, 120.083899 36.367403)', 4326),
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30, 30),
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('无人车鲁B567路径', 'UNMANNED_VEHICLE', '鲁B567无人车的预定路径',
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ST_GeomFromText('LINESTRING(120.083084 36.369696, 120.084637 36.365617)', 4326),
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25, 25),
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('无人车鲁B579路径', 'UNMANNED_VEHICLE', '鲁B579无人车的预定路径',
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ST_GeomFromText('LINESTRING(120.086965 36.368599, 120.086263 36.370484)', 4326),
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25, 25);
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-- 示例路径分配数据 (object_route_assignments)
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INSERT INTO object_route_assignments (object_type, object_name, assigned_route_id) VALUES
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('AIRCRAFT', 'CA1234', (SELECT id FROM transport_routes WHERE route_name = '航班CA1234路径')),
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('AIRCRAFT', 'MU5123', (SELECT id FROM transport_routes WHERE route_name = '航班MU5123路径')),
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('SPECIAL_VEHICLE', '鲁B123', (SELECT id FROM transport_routes WHERE route_name = '特勤车鲁B123路径')),
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('NORMAL_VEHICLE', '鲁B234', (SELECT id FROM transport_routes WHERE route_name = '普通车鲁B234路径')),
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('UNMANNED_VEHICLE', '鲁B567', (SELECT id FROM transport_routes WHERE route_name = '无人车鲁B567路径')),
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('UNMANNED_VEHICLE', '鲁B579', (SELECT id FROM transport_routes WHERE route_name = '无人车鲁B579路径')); |