commit c04b64d383cc3192c43bad941e36a04a20802122 · bretton.dev/coves

+68

internal/db/migrations/010_migrate_community_handles_to_singular.sql

···

       1
       +
       -- +goose Up

     

       2
       +
       -- +goose StatementBegin

     

       3
       +
       

     

       4
       +
       -- Migration: Rename community handles from .communities. to .community.

     

       5
       +
       -- This aligns with AT Protocol lexicon naming conventions (singular form)

     

       6
       +
       --

     

       7
       +
       -- Background:

     

       8
       +
       -- All atProto record types use singular form (app.bsky.feed.post, app.bsky.graph.follow)

     

       9
       +
       -- This migration updates existing community handles to follow the same pattern

     

       10
       +
       --

     

       11
       +
       -- Examples:

     

       12
       +
       --   gardening.communities.coves.social -> gardening.community.coves.social

     

       13
       +
       --   gaming.communities.coves.social -> gaming.community.coves.social

     

       14
       +
       --

     

       15
       +
       -- Safety: Uses REPLACE which only affects handles containing '.communities.'

     

       16
       +
       -- Rollback: Available via down migration below

     

       17
       +
       

     

       18
       +
       -- Update community handles in the communities table

     

       19
       +
       UPDATE communities

     

       20
       +
       SET handle = REPLACE(handle, '.communities.', '.community.')

     

       21
       +
       WHERE handle LIKE '%.communities.%';

     

       22
       +
       

     

       23
       +
       -- Verify the migration (optional - can be commented out in production)

     

       24
       +
       -- This will fail if any .communities. handles remain

     

       25
       +
       DO $$

     

       26
       +
       DECLARE

     

       27
       +
           old_format_count INTEGER;

     

       28
       +
       BEGIN

     

       29
       +
           SELECT COUNT(*) INTO old_format_count

     

       30
       +
           FROM communities

     

       31
       +
           WHERE handle LIKE '%.communities.%';

     

       32
       +
       

     

       33
       +
           IF old_format_count > 0 THEN

     

       34
       +
               RAISE EXCEPTION 'Migration incomplete: % communities still have .communities. format', old_format_count;

     

       35
       +
           END IF;

     

       36
       +
       

     

       37
       +
           RAISE NOTICE 'Migration successful: All community handles updated to .community. format';

     

       38
       +
       END $$;

     

       39
       +
       

     

       40
       +
       -- +goose StatementEnd

     

       41
       +
       

     

       42
       +
       -- +goose Down

     

       43
       +
       -- +goose StatementBegin

     

       44
       +
       

     

       45
       +
       -- Rollback: Revert handles from .community. back to .communities.

     

       46
       +
       -- Only use this if you need to rollback the naming convention change

     

       47
       +
       

     

       48
       +
       UPDATE communities

     

       49
       +
       SET handle = REPLACE(handle, '.community.', '.communities.')

     

       50
       +
       WHERE handle LIKE '%.community.%';

     

       51
       +
       

     

       52
       +
       -- Verify the rollback

     

       53
       +
       DO $$

     

       54
       +
       DECLARE

     

       55
       +
           new_format_count INTEGER;

     

       56
       +
       BEGIN

     

       57
       +
           SELECT COUNT(*) INTO new_format_count

     

       58
       +
           FROM communities

     

       59
       +
           WHERE handle LIKE '%.community.%';

     

       60
       +
       

     

       61
       +
           IF new_format_count > 0 THEN

     

       62
       +
               RAISE EXCEPTION 'Rollback incomplete: % communities still have .community. format', new_format_count;

     

       63
       +
           END IF;

     

       64
       +
       

     

       65
       +
           RAISE NOTICE 'Rollback successful: All community handles reverted to .communities. format';

     

       66
       +
       END $$;

     

       67
       +
       

     

       68
       +
       -- +goose StatementEnd