优化任务调度说明

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z66
2025-10-17 17:59:28 +08:00
commit fd67231866
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CREATE TABLE IF NOT EXISTS main_task (
task_id INT AUTO_INCREMENT PRIMARY KEY COMMENT '任务唯一ID',
task_name VARCHAR(100) NOT NULL COMMENT '任务名称',
task_type VARCHAR(50) NOT NULL COMMENT '任务类型(如processor、collector等)',
module_path VARCHAR(255) NOT NULL COMMENT '任务模块路径(如processors.data_checker',
cron_expression VARCHAR(100) NOT NULL COMMENT 'Cron表达式(调度频率)',
time_zone VARCHAR(50) DEFAULT 'Asia/Shanghai' COMMENT '时区', -- 补充此字段
next_run_time DATETIME NOT NULL COMMENT '下次运行时间',
last_run_time DATETIME NULL COMMENT '上次运行时间',
last_run_status ENUM('success', 'failed', 'pending') DEFAULT 'pending' COMMENT '上次运行状态',
run_count INT DEFAULT 0 COMMENT '运行次数统计',
is_active TINYINT(1) DEFAULT 1 COMMENT '是否活跃(1=启用,0=禁用)',
is_running TINYINT(1) DEFAULT 0 COMMENT '是否正在运行(1=运行中,0=未运行)',
created_at DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
INDEX idx_next_run (next_run_time) COMMENT '优化下次运行时间查询', -- 建议保留索引提升性能
INDEX idx_active (is_active) COMMENT '优化活跃任务查询' -- 建议保留索引提升性能
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='任务调度主表';