141 lines
6.3 KiB
SQL
141 lines
6.3 KiB
SQL
-- 将旧版 tt_code.code_technology 中的混合技术栈拆分到前端、后端和数据库字段。
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--
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-- 安全性：
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-- 1. 只填充 NULL 或空字符串，不覆盖已经维护的新字段；
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-- 2. 保留 code_technology 原值，便于核对和回退；
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-- 3. 可重复执行，第二次执行不会再次修改已经填充的数据。
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START TRANSACTION;
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UPDATE `tt_code`
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SET
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`frontend_technology` = CASE
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WHEN NULLIF(TRIM(`frontend_technology`), '') IS NOT NULL
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THEN `frontend_technology`
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WHEN LOWER(`code_technology`) LIKE '%vue3%'
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THEN CONCAT(
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'Vue 3',
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IF(LOWER(`code_technology`) LIKE '%elementui%', ' + Element UI', ''),
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IF(LOWER(`code_technology`) LIKE '%nodejs14%', ' + Node.js 14',
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IF(LOWER(`code_technology`) LIKE '%nodejs%', ' + Node.js', '')),
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IF(`code_technology` LIKE '%微信小程序%', ' + 微信小程序', ''),
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IF(`code_technology` LIKE '%原生小程序%', ' + 原生小程序', '')
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)
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WHEN LOWER(`code_technology`) LIKE '%vue2%'
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THEN CONCAT(
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'Vue 2',
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IF(LOWER(`code_technology`) LIKE '%elementui%', ' + Element UI', ''),
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IF(LOWER(`code_technology`) LIKE '%nodejs14%', ' + Node.js 14',
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IF(LOWER(`code_technology`) LIKE '%nodejs%', ' + Node.js', '')),
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IF(`code_technology` LIKE '%微信小程序%', ' + 微信小程序', ''),
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IF(`code_technology` LIKE '%原生小程序%', ' + 原生小程序', '')
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)
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WHEN LOWER(`code_technology`) LIKE '%vue%'
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THEN CONCAT(
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'Vue',
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IF(LOWER(`code_technology`) LIKE '%elementui%', ' + Element UI', ''),
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IF(LOWER(`code_technology`) LIKE '%nodejs14%', ' + Node.js 14',
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IF(LOWER(`code_technology`) LIKE '%nodejs%', ' + Node.js', ''))
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)
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WHEN LOWER(`code_technology`) LIKE '%thymeleaf%'
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THEN CONCAT(
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'Thymeleaf',
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IF(LOWER(`code_technology`) LIKE '%bootstrap%', ' + Bootstrap', ''),
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IF(LOWER(`code_technology`) LIKE '%jquery%', ' + jQuery', '')
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)
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WHEN LOWER(`code_technology`) LIKE '%jsp%'
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THEN CONCAT(
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'JSP',
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IF(LOWER(`code_technology`) LIKE '%jstl%', ' + JSTL', ''),
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IF(LOWER(`code_technology`) LIKE '%bootstrap%', ' + Bootstrap', ''),
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IF(LOWER(`code_technology`) LIKE '%layui%', ' + Layui', '')
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)
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WHEN LOWER(`code_technology`) LIKE '%html%'
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THEN 'HTML'
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WHEN LOWER(`code_technology`) LIKE '%bootstrap%'
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THEN CONCAT(
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'Bootstrap',
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IF(LOWER(`code_technology`) LIKE '%highcharts%', ' + Highcharts', '')
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)
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ELSE '未单独记录'
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END,
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`backend_technology` = CASE
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WHEN NULLIF(TRIM(`backend_technology`), '') IS NOT NULL
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THEN `backend_technology`
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WHEN LOWER(`code_technology`) LIKE '%php%'
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THEN 'PHP'
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WHEN LOWER(`code_technology`) LIKE '%servlet%'
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THEN CONCAT(
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'Java 8 + Servlet',
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IF(LOWER(`code_technology`) LIKE '%jdbc%', ' + JDBC', '')
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)
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WHEN LOWER(`code_technology`) LIKE '%springboot2%'
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THEN CONCAT(
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'Java 8 + Spring Boot 2',
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IF(LOWER(`code_technology`) LIKE '%mybatis-plus%'
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OR LOWER(`code_technology`) LIKE '%mybatisplus%', ' + MyBatis-Plus',
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IF(LOWER(`code_technology`) LIKE '%mybatis%', ' + MyBatis', ''))
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)
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WHEN LOWER(`code_technology`) LIKE '%springboot%'
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THEN CONCAT(
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'Java 8 + Spring Boot',
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IF(LOWER(`code_technology`) LIKE '%mybatis-plus%'
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OR LOWER(`code_technology`) LIKE '%mybatisplus%', ' + MyBatis-Plus',
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IF(LOWER(`code_technology`) LIKE '%mybatis%', ' + MyBatis', ''))
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)
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WHEN LOWER(`code_technology`) LIKE '%springmvc%'
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OR LOWER(`code_technology`) LIKE '%springmmvc%'
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OR LOWER(`code_technology`) LIKE '%ssm%'
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THEN CONCAT(
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'Java 8 + Spring + Spring MVC',
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IF(LOWER(`code_technology`) LIKE '%mybatis-plus%'
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OR LOWER(`code_technology`) LIKE '%mybatisplus%', ' + MyBatis-Plus',
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IF(LOWER(`code_technology`) LIKE '%mybatis%'
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OR LOWER(`code_technology`) LIKE '%mabtis%', ' + MyBatis', ''))
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)
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ELSE '未单独记录'
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END,
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`database_technology` = CASE
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WHEN NULLIF(TRIM(`database_technology`), '') IS NOT NULL
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THEN `database_technology`
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WHEN LOWER(`code_environment`) LIKE '%mysql8.0%'
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OR LOWER(`code_environment`) LIKE '%mysql 8.0%'
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OR LOWER(`code_environment`) LIKE '%mysql8%'
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OR LOWER(`code_environment`) LIKE '%mysql 8%'
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THEN CONCAT(
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'MySQL 8.0',
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IF(LOWER(`code_environment`) LIKE '%redis%', ' + Redis', '')
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)
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WHEN LOWER(`code_environment`) LIKE '%mysql5.7%'
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OR LOWER(`code_environment`) LIKE '%mysql 5.7%'
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THEN CONCAT(
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'MySQL 5.7',
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IF(LOWER(`code_environment`) LIKE '%redis%', ' + Redis', '')
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)
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WHEN LOWER(`code_environment`) LIKE '%mysql%'
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OR LOWER(`code_technology`) LIKE '%mysql%'
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THEN CONCAT(
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'MySQL',
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IF(LOWER(`code_environment`) LIKE '%redis%', ' + Redis', '')
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)
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ELSE '未单独记录'
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END
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WHERE NULLIF(TRIM(`code_technology`), '') IS NOT NULL
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AND (
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NULLIF(TRIM(`frontend_technology`), '') IS NULL
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OR NULLIF(TRIM(`backend_technology`), '') IS NULL
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OR NULLIF(TRIM(`database_technology`), '') IS NULL
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);
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SELECT ROW_COUNT() AS `backfilled_rows`;
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COMMIT;
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-- 执行结果检查：三个 blank_* 都应为 0。
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SELECT
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COUNT(*) AS `total`,
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SUM(NULLIF(TRIM(`frontend_technology`), '') IS NULL) AS `frontend_blank`,
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SUM(NULLIF(TRIM(`backend_technology`), '') IS NULL) AS `backend_blank`,
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SUM(NULLIF(TRIM(`database_technology`), '') IS NULL) AS `database_blank`
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FROM `tt_code`;
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