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'Oracle-to-PostgreSQL Migration Expert' Custom Agent: Update Custom Agent & Plugin & Skills (#2566)

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* Enhance Oracle-to-PostgreSQL migration skills and documentation

- Update migration agent guidelines to prioritize extension tool usage for code migration.
- Refine migration phases with detailed steps for pre-migration review and schema migration.
- Add new reviewing skill references for PostgreSQL materialized view refresh and UNION ALL planner risks.
- Ensure consistency in collation handling and testing strategies across skills.

* - Review migration phases to ensure correct order of execution
- Add exit criteria to each migration phase
- Remove invocation of `ms-ossdata.vscode-pgsql` extension due to dependency on VSCode
- Update README.md to reflect changes in migration phases and exit criteria
- Update broken reference to custom agent in plugin.json

* Enhance downstream migration skills and following custom agent improvements

- Added new skill for migrating .NET data access code from Oracle to PostgreSQL.
- Updated README to include new migration skill.
- Improved existing skills with clearer file naming conventions and migration actions.
- Added reference documents for handling Oracle-specific functions and pagination.
- Created detailed guides for NVL, DECODE, ROWNUM, SYSDATE, and DUAL replacements.

* Clarify PostgreSQL schema immutability and stored procedure migration risks

* Update target schema path in migration documentation for clarity

* fix(skills): clarify Phase 3-only scope for Oracle test skills

Both Oracle test skills were ambiguously worded in ways that could
cause a model to invoke them during Phase 6 (PostgreSQL test migration)
instead of using them exclusively in Phase 3.

Key changes:
- Rewrite descriptions to explicitly state Phase 3-only usage and
  warn against invoking during Phase 6
- Replace "scaffold for Oracle first" with "Oracle only" to remove
  the false implication of a second PostgreSQL scaffolding step
- Replace "Tests validate behavior consistency when running against
  Oracle or PostgreSQL" with clear Oracle-only framing
- Rename "DB-agnostic assertions" → "Assertion portability" and
  explain the why (survive Phase 6 migration without rewrites)
- Fix datetime bullet in integration tests skill to use generic
  Oracle column precision language instead of PostgreSQL type syntax
- Name Oracle NuGet package explicitly (Oracle.ManagedDataAccess.Core)

* feat(oracle-to-postgres): gate Phase 1 on DDL presence; add DDL scan to Phase 2 risk analysis

- Phase 1 success criteria now requires Oracle DDL artifacts to be
  confirmed present at the recorded location before proceeding.
  If missing, the agent stops and prompts the user to provide them.

- Phase 2 risk analysis now explicitly scans DDL/Oracle/{ProjectName}/
  as supplemental context, summarising procedure complexity indicators
  (dynamic SQL, DBMS_* / UTL_* references, autonomous transactions,
  pipelined functions, BULK COLLECT/FORALL, REF CURSOR, TYPE bodies)
  rather than ingesting DDL files wholesale. This ensures schema-level
  migration risk is captured even when it isn't visible in application
  code alone.

* - Merge in latest 'main' changes
- Update custom agent plugin (eg resolve conflict and add new skill)
- Validate skills
- Run build

* chore(plugin.json): update version to 1.1.0

* feat(oracle-to-postgres): update version to 1.1.0 for migration expert plugin

* fix: add INOUT to ignore-words-list for PostgreSQL migration

---------

Co-authored-by: TCPrimedPaul <paul.delannoy@tc.gc.ca>
This commit is contained in:
Paul Delannoy
2026-08-10 22:47:51 -04:00
committed by GitHub
parent 3f0bba475e
commit f7e8aaa2d8
18 changed files with 562 additions and 89 deletions
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