Migrating oracle to postgres stored procedures

Skill Pyfagorass/bookofspells/skills/githubcopilot/migrating-oracle-to-postgres-stored-procedures

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Install

npx -y skills add Pyfagorass/bookofspells --skill migrating-oracle-to-postgres-stored-procedures

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Migrates Oracle PL/SQL stored procedures to PostgreSQL PL/pgSQL. Translates Oracle-specific syntax, preserves method signatures and type-anchored parameters, leverages orafce where appropriate, and applies COLLATE "C" for Oracle-compatible text sorting. Use when converting Oracle stored procedures or functions to PostgreSQL equivalents during a database migration.

SKILL.md

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Migrating Stored Procedures from Oracle to PostgreSQL

Translate Oracle PL/SQL stored procedures and functions to PostgreSQL PL/pgSQL equivalents.

Workflow

Progress:
- [ ] Step 1: Read the Oracle source procedure
- [ ] Step 2: Translate to PostgreSQL PL/pgSQL
- [ ] Step 3: Write the migrated procedure to Postgres output directory

Step 1: Read the Oracle source procedure

Read the Oracle stored procedure from .github/oracle-to-postgres-migration/DDL/Oracle/Procedures and Functions/. Consult the Oracle table/view definitions at .github/oracle-to-postgres-migration/DDL/Oracle/Tables and Views/ for type resolution.

Step 2: Translate to PostgreSQL PL/pgSQL

Apply these translation rules:

Translate all Oracle-specific syntax to PostgreSQL equivalents.
Preserve original functionality and control flow logic.
Keep type-anchored input parameters (e.g., PARAM_NAME IN table_name.column_name%TYPE).
Use explicit types (NUMERIC, VARCHAR, INTEGER) for output parameters passed to other procedures — do not type-anchor these.
Do not alter method signatures.
Do not prefix object names with schema names unless already present in the Oracle source.
Leave exception handling and rollback logic unchanged.
Do not generate COMMENT or GRANT statements.
Use COLLATE "C" when ordering by text fields for Oracle-compatible sorting.
Leverage the orafce extension when it improves clarity or fidelity.

Consult the PostgreSQL table/view definitions at .github/oracle-to-postgres-migration/DDL/Postgres/Tables and Views/ for target schema details.

Step 3: Write the migrated procedure to Postgres output directory

Place each migrated procedure in its own file under .github/oracle-to-postgres-migration/DDL/Postgres/Procedures and Functions/{PACKAGE_NAME_IF_APPLICABLE}/. One procedure per file.

What ships with it

Read from the repository