feat(2868): ParseDBType supports GaussDB/openGauss aliases#620
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feat(2868): ParseDBType supports GaussDB/openGauss aliases#620actiontech-bot wants to merge 2 commits into
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- 在原有 case "GaussDB for MySQL" 基础上扩展为四字面量并列匹配： "GaussDB" / "openGauss" / "GaussDB / openGauss" / "GaussDB for MySQL" 均映射到 DBTypeGaussDB - 字面量严格大小写敏感，未引入 ToLower/ToUpper 归一化 （与 design.md §3.3 / §3.8 一致；db_conn_ee.go switch 走 ToUpper 是另一套规则） - 新增 TestParseDBType_GaussDB_Aliases 正反双向覆盖 - 涉及 compat-RISK-1（决策 B：保留 ADR-004 历史命名兼容） Fixes actiontech/sqle-ee#2868
…pplied in code review after dms-ee validation This revert removes: - 67d9c80 feat(dms-ee): ParseDBType 支持 GaussDB/openGauss 4 种字符串别名 Reason: The new fix strategy keeps all GaussDB / openGauss data export logic in dms-ee only. The CE-side ParseDBType alias mirror will be re-introduced by the code_review stage once the dms-ee implementation is validated. Decision: User instruction in fix_session_20260520_073030 (see docs/dev/last_fix_issues.md): > "当前实现有误，回退所有代码变更。该需求应该只需要修改dms-ee代码..." Fixes actiontech/sqle-ee#2868
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Summary
Issue: actiontech/sqle-ee#2868 — 数据导出功能支持 GaussDB/openGauss 数据源。
DMS 侧
internal/dms/pkg/constant/const.goParseDBType新增 4 个 GaussDB 系列字符串别名 (compat-RISK-1 决策 B)：GaussDB/openGauss/GaussDB / openGauss（新增三种 UI/常量字符串）GaussDB for MySQL（ADR-004 历史命名，回归保留）4 个字符串全部映射到
DBTypeGaussDB。字面量敏感匹配，无 ToLower/ToUpper 归一化。Tests
TestParseDBType_GaussDB_Aliases覆盖 4 个正向别名 + 5 个反向 case（大小写差异、空格差异等）db_conn_ee.goswitch case 中的字面量字符串保持一致Fixes actiontech/sqle-ee#2868