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* Add the 'Oracle-to-PostgreSQL Migration Expert' Custom Agent, its associated skills, plugin manifest * Update READMEs using 'npm run build' * Resolve PR comments: - Fix BOM characters - Rerun 'npm run build' - Clarify timestampz date kind - Remove consufing text for SELECT INTO exception - Remove dangerous VB.NET example * Update README and refcursor handling documentation for clarity and consistency * Update skills/creating-oracle-to-postgres-master-migration-plan/SKILL.md Add .slnx to discovery of projects Co-authored-by: Aaron Powell <me@aaron-powell.com> --------- Co-authored-by: TCPrimedPaul <paul.delannoy@tc.gc.ca> Co-authored-by: Aaron Powell <me@aaron-powell.com>
68 lines
3.0 KiB
Markdown
68 lines
3.0 KiB
Markdown
---
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name: reviewing-oracle-to-postgres-migration
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description: 'Identifies Oracle-to-PostgreSQL migration risks by cross-referencing code against known behavioral differences (empty strings, refcursors, type coercion, sorting, timestamps, concurrent transactions, etc.). Use when planning a database migration, reviewing migration artifacts, or validating that integration tests cover Oracle/PostgreSQL differences.'
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---
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# Oracle-to-PostgreSQL Database Migration
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Surfaces migration risks and validates migration work against known Oracle/PostgreSQL behavioral differences documented in the `references/` folder.
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## When to use
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1. **Planning** — Before starting migration work on a procedure, trigger, query, or refcursor client. Identify which reference insights apply so risks are addressed up front.
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2. **Validating** — After migration work is done, confirm every applicable insight was addressed and integration tests cover the new PostgreSQL semantics.
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## Workflow
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Determine the task type:
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**Planning a migration?** Follow the risk assessment workflow.
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**Validating completed work?** Follow the validation workflow.
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### Risk assessment workflow (planning)
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```
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Risk Assessment:
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- [ ] Step 1: Identify the migration scope
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- [ ] Step 2: Screen each insight for applicability
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- [ ] Step 3: Document risks and recommended actions
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```
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**Step 1: Identify the migration scope**
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List the affected database objects (procedures, triggers, queries, views) and the application code that calls them.
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**Step 2: Screen each insight for applicability**
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Review the reference index in [references/REFERENCE.md](references/REFERENCE.md). For each entry, determine whether the migration scope contains patterns affected by that insight. Read the full reference file only when the insight is potentially relevant.
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**Step 3: Document risks and recommended actions**
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For each applicable insight, note the specific risk and the recommended fix pattern from the reference file. Flag any insight that requires a design decision (e.g., whether to preserve Oracle empty-string-as-NULL semantics or adopt PostgreSQL behavior).
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### Validation workflow (post-migration)
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```
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Validation:
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- [ ] Step 1: Map the migration artifact
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- [ ] Step 2: Cross-check applicable insights
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- [ ] Step 3: Verify integration test coverage
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- [ ] Step 4: Gate the result
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```
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**Step 1: Map the migration artifact**
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Identify the migrated object and summarize the change set.
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**Step 2: Cross-check applicable insights**
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For each reference in [references/REFERENCE.md](references/REFERENCE.md), confirm the behavior or test requirement is acknowledged and addressed in the migration work.
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**Step 3: Verify integration test coverage**
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Confirm tests exercise both the happy path and the failure scenarios highlighted in applicable insights (exceptions, sorting, refcursor consumption, concurrent transactions, timestamps, etc.).
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**Step 4: Gate the result**
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Return a checklist asserting each applicable insight was addressed, migration scripts run, and integration tests pass.
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