{"slug":"timescale-postgres-database-migration","source_name":"timescale/postgres-database-migration","name":"Timescale/Postgres Database Migration","description":"Use this skill for planning, testing, and safely executing PostgreSQL schema migrations — especially when working with production data or shared databases.\n\n**Trigger when user asks to:**\n- Test a schema migration before applying it to production\n- Add, remove, or rename columns safely on a live table\n- Change a column's data type without downtime\n- Add or drop indexes, constraints, or foreign keys on large tables\n- Understand which ALTER TABLE operations lock the table\n- Roll back a failed migr","version":1,"lift":{"pass_rate_delta_pts":12,"pass_rate_pct":96,"total_cases":25,"passed_cases":24,"tokens_delta_pct":243.7,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-12T05:22:20.089845+00:00"},"skill_score":null,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":12,"with_pass_pct":96,"without_pass_pct":84,"tokens_delta_pct":243.7,"turns_delta_pct":0,"total_cases":25,"cases_aggregated":25,"verdict":"mixed","never_hurt":true,"completed_at":"2026-08-12T05:22:20.089845+00:00","run_id":"b45758f6-4c5b-45d9-8474-fd07f3b78fa3","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"Apache-2.0","install_count":0,"manifest_hash":"97f3507b23dfd81087431ad1042b67b09f6e3a74353c5ced1b85c818b86c49ad","raw_url":"https://app.decimal.ai/s/timescale-postgres-database-migration/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/timescale-postgres-database-migration"}