兼容性判定
公开资料依据 · 建议 PoC 复核支持度partial
严重度major
置信度medium
依据规则ora.plsql.predefined_exceptions
迁移建议
CURSOR_ALREADY_OPEN->duplicate_cursor/42P03; INVALID_CURSOR->invalid_cursor_state/24000; DUP_VAL_ON_INDEX->unique_violation/23505; TIMEOUT_ON_RESOURCE->lock_not_available/55P03; ZERO_DIVIDE->division_by_zero/22012; STORAGE_ERROR->out_of_memory/53200; INTEGRITY_ERROR->integrity_constraint_violation/23000; VALUE_ERROR、INVALID_NUMBER->data_exception/22000; NO_DATA_FOUND->no_data_found/P0002; LOGIN_DENIED->connection_exception/08000; TOO_MANY_ROWS->too_many_rows/P0003; NOT_LOGGED_ON->insufficient_privilege/42501; PROGRAM_ERROR->internal_error/XX000; ACCESS_INTO_NULL、COLLECTION_IS_NULL->object_not_in_prerequisite_state/55000; INVALID_USERENV_PARAMETER->invalid_parameter_value/22023
判定说明
17 项映射来自 Ora2Pg facts 并按 PostgreSQL 16 官方 SQLSTATE 表复核；名称相近不代表触发时机和回滚范围完全一致，建议 PoC 复核每个分支
库侧 / 应用侧路径
库侧改造
可行：建立异常名到 condition/SQLSTATE 的逐项映射
应用侧改造
可行：同步修改驱动侧按错误码分支的逻辑
推荐路线：db_side。验证建议：建议 PoC 复核每个候选映射的真实约束、游标与基数错误触发行为；类 SQLSTATE 不代表一一等价
规则样例
参考来源
- https://github.com/darold/ora2pg/blob/97015451a4d1cfbee888f2e6efe7ff68c239a9b5/lib/Ora2Pg/PLSQL.pm#L835-L1076
- https://www.postgresql.org/docs/16/errcodes-appendix.html
- https://github.com/orafce/orafce/blob/841978f4ec493492bb57fd12415959695cae1b64/orafce--4.16.sql
- https://github.com/orafce/orafce/blob/841978f4ec493492bb57fd12415959695cae1b64/LICENSE
- https://github.com/orafce/orafce/blob/841978f4ec493492bb57fd12415959695cae1b64/README.asciidoc#L9-L267
- https://github.com/orafce/orafce/blob/841978f4ec493492bb57fd12415959695cae1b64/README.asciidoc#L269-L546
- https://github.com/orafce/orafce/blob/841978f4ec493492bb57fd12415959695cae1b64/README.asciidoc#L786-L943
- https://github.com/darold/ora2pg/blob/610f114c97db7fbd3762bfaec8dd45b8adc74d2d/lib/Ora2Pg/PLSQL.pm#L401-L422
- https://docs.oracle.com/en/database/oracle/oracle-database/19/lnpls/predefined-exceptions.html
相关改造点
- Oracle 预定义异常名称 的 21 目标横向专业场景
- ORACLE → PostgreSQL 16 + orafce 4.16 全部改造点
- PostgreSQL 16 + orafce 4.16 兼容性总览
- ORACLE 迁移国产库总览
- ORACLE ADD_MONTHS 函数 迁移 PostgreSQL 16 + orafce 4.16 适配说明
- ORACLE ALTER SESSION SET 会话参数 迁移 PostgreSQL 16 + orafce 4.16 适配说明
- ORACLE ANYDATA 动态类型列 迁移 PostgreSQL 16 + orafce 4.16 适配说明
- ORACLE ASCIISTR Unicode 转义函数 迁移 PostgreSQL 16 + orafce 4.16 适配说明
- ORACLE 关联数组（INDEX BY 表） 迁移 PostgreSQL 16 + orafce 4.16 适配说明
- ORACLE AT TIME ZONE 时区表达式 迁移 PostgreSQL 16 + orafce 4.16 适配说明
