first commit

target/classes/db/migration/V2__add_alert_table.sql

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+-- 创建告警表
+CREATE TABLE IF NOT EXISTS cf_alert (
+    id BIGINT AUTO_INCREMENT PRIMARY KEY,
+    tenant_id VARCHAR(255) NOT NULL,
+    alert_type VARCHAR(50),
+    severity VARCHAR(50),
+    message TEXT,
+    status VARCHAR(50),
+    source VARCHAR(255),
+    threshold VARCHAR(255),
+    actual_value VARCHAR(255),
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    resolved_at DATETIME
+);
+
+-- 为告警表添加索引
+CREATE INDEX IF NOT EXISTS idx_alert_tenant_id ON cf_alert(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_alert_status ON cf_alert(status);
+CREATE INDEX IF NOT EXISTS idx_alert_severity ON cf_alert(severity);
+CREATE INDEX IF NOT EXISTS idx_alert_alert_type ON cf_alert(alert_type);
+CREATE INDEX IF NOT EXISTS idx_alert_created_at ON cf_alert(created_at);