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# PhoenixKit.Migrations.Postgres.V73 (phoenix_kit v1.7.87)

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V73: Pre-drop prerequisites for Category B tables.

Prepares Category B tables for the eventual `DROP COLUMN id` (V74) by:

1. SET NOT NULL on 7 uuid columns that currently allow NULLs
2. CREATE UNIQUE INDEX on 3 tables missing unique indexes on `uuid`
3. ALTER INDEX RENAME on 4 indexes to match renamed columns

All operations are idempotent — safe to re-run.

## Summary

### Functions

down(opts)
up(opts)

## Functions

# down(opts)

# up(opts)