34 lines
1.3 KiB
SQL
34 lines
1.3 KiB
SQL
|
-- v6 设备级采集模式：达梦数据库升级前检查
|
||
|
|
-- 本脚本只读。必须先完成检查，再执行 02-device-collection-mode-upgrade.sql。
|
||
|
|
-- 新版 syslog-serve JAR 启动前必须完成字段升级和验证。
|
||
|
|
|
||
|
|
-- 1. 确认当前用户和 DEVICE_DEVICE 表存在。
|
||
|
|
SELECT USER AS CURRENT_SCHEMA FROM DUAL;
|
||
|
|
|
||
|
|
SELECT TABLE_NAME
|
||
|
|
FROM USER_TABLES
|
||
|
|
WHERE TABLE_NAME = 'DEVICE_DEVICE';
|
||
|
|
|
||
|
|
-- 2. 记录升级前设备总数、有效设备数，供升级后核对。
|
||
|
|
SELECT COUNT(*) AS DEVICE_TOTAL
|
||
|
|
FROM DEVICE_DEVICE;
|
||
|
|
|
||
|
|
SELECT COUNT(*) AS ACTIVE_DEVICE_TOTAL
|
||
|
|
FROM DEVICE_DEVICE
|
||
|
|
WHERE DELETED_AT IS NULL
|
||
|
|
AND (DEL_FLAG IS NULL OR DEL_FLAG = '0');
|
||
|
|
|
||
|
|
-- 3. 目标字段应不存在。首次升级时预期返回 0 行；若已有记录，停止执行升级脚本并先核实。
|
||
|
|
SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_DEFAULT
|
||
|
|
FROM USER_TAB_COLUMNS
|
||
|
|
WHERE TABLE_NAME = 'DEVICE_DEVICE'
|
||
|
|
AND COLUMN_NAME = 'COLLECTION_MODE';
|
||
|
|
|
||
|
|
-- 4. 约束名应未被占用。首次升级时预期返回 0 行。
|
||
|
|
SELECT CONSTRAINT_NAME, CONSTRAINT_TYPE, STATUS
|
||
|
|
FROM USER_CONSTRAINTS
|
||
|
|
WHERE CONSTRAINT_NAME = 'CK_DEVICE_COLLECTION_MODE';
|
||
|
|
|
||
|
|
-- 5. 执行 DDL 前必须完成 DEVICE_DEVICE 可恢复备份，并确认没有未结束的长事务或表锁。
|
||
|
|
-- 数据库脚本不得写死现场 device_id；具体设备模式在新版 JAR 启动后通过管理 API 设置。
|