Commit ddf9a79d authored by jan.koester's avatar jan.koester
Browse files

test

parent 3f47409b

migrate_int_to_uuid.sql

0 → 100644
+479 −0
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-- =============================================================================

-- Blogi Migration: INTEGER id -> UUID

-- Database: PostgreSQL (requires 13+ for gen_random_uuid())

-- =============================================================================

--

-- Run: psql -d <dbname> -f migrate_int_to_uuid.sql

--

-- This script converts all integer primary keys and foreign keys to UUID.

-- It preserves existing data and relationships.

-- Back up your database before running!

--

-- =============================================================================



BEGIN;



-- ---------------------------------------------------------------------------

-- 0. Prerequisites (gen_random_uuid() is built-in since PostgreSQL 13)

-- ---------------------------------------------------------------------------



-- ---------------------------------------------------------------------------

-- 1. Add UUID columns to all tables (parent tables first)

-- ---------------------------------------------------------------------------



-- == Level 0: Independent tables (no FK to other migrated tables) ==



ALTER TABLE users              ADD COLUMN id_new UUID;

ALTER TABLE session            ADD COLUMN id_new UUID;

ALTER TABLE options            ADD COLUMN id_new UUID;

ALTER TABLE theme_colors       ADD COLUMN id_new UUID;

ALTER TABLE cookie_rules       ADD COLUMN id_new UUID;

ALTER TABLE tags               ADD COLUMN id_new UUID;

ALTER TABLE gameserver_protocols ADD COLUMN id_new UUID;

ALTER TABLE navbar             ADD COLUMN id_new UUID;

ALTER TABLE youtube_channels   ADD COLUMN id_new UUID;

ALTER TABLE templates          ADD COLUMN id_new UUID;

ALTER TABLE static_content     ADD COLUMN id_new UUID;

ALTER TABLE survey_results     ADD COLUMN id_new UUID;

ALTER TABLE editor_templates   ADD COLUMN id_new UUID;



-- contact_pending.token is already the PK; if it's INTEGER, migrate it too

DO $$

BEGIN

    IF EXISTS (

        SELECT 1 FROM information_schema.columns

        WHERE table_name = 'contact_pending' AND column_name = 'token'

        AND data_type IN ('integer','bigint','smallint')

    ) THEN

        EXECUTE 'ALTER TABLE contact_pending ADD COLUMN token_new UUID';

    END IF;

END$$;



-- == Level 1: Tables with FK to level 0 ==



ALTER TABLE session_data       ADD COLUMN sessionid_new UUID;

ALTER TABLE content            ADD COLUMN id_new UUID;

ALTER TABLE content            ADD COLUMN author_new UUID;

ALTER TABLE gameserver         ADD COLUMN id_new UUID;

ALTER TABLE gameserver         ADD COLUMN protocol_new UUID;

ALTER TABLE navbar_items       ADD COLUMN id_new UUID;

ALTER TABLE navbar_items       ADD COLUMN navbar_id_new UUID;

ALTER TABLE youtube_videos     ADD COLUMN id_new UUID;

ALTER TABLE youtube_videos     ADD COLUMN youtube_channels_pkey_new UUID;

ALTER TABLE editor_template_revisions ADD COLUMN id_new UUID;

ALTER TABLE editor_template_revisions ADD COLUMN template_id_new UUID;



-- == Level 2: Tables with FK to level 1 ==



ALTER TABLE tags_content       ADD COLUMN tag_id_new UUID;

ALTER TABLE tags_content       ADD COLUMN content_id_new UUID;

ALTER TABLE comments           ADD COLUMN id_new UUID;

ALTER TABLE comments           ADD COLUMN content_id_new UUID;

ALTER TABLE comments           ADD COLUMN user_id_new UUID;



-- ---------------------------------------------------------------------------

-- 2. Generate UUIDs for primary keys

-- ---------------------------------------------------------------------------



UPDATE users              SET id_new = gen_random_uuid();

UPDATE session            SET id_new = gen_random_uuid();

UPDATE options            SET id_new = gen_random_uuid();

UPDATE theme_colors       SET id_new = gen_random_uuid();

UPDATE cookie_rules       SET id_new = gen_random_uuid();

UPDATE tags               SET id_new = gen_random_uuid();

UPDATE gameserver_protocols SET id_new = gen_random_uuid();

UPDATE navbar             SET id_new = gen_random_uuid();

UPDATE youtube_channels   SET id_new = gen_random_uuid();

UPDATE templates          SET id_new = gen_random_uuid();

UPDATE static_content     SET id_new = gen_random_uuid();

UPDATE survey_results     SET id_new = gen_random_uuid();

UPDATE editor_templates   SET id_new = gen_random_uuid();



-- contact_pending (only if token was integer)

DO $$

BEGIN

    IF EXISTS (

        SELECT 1 FROM information_schema.columns

        WHERE table_name = 'contact_pending' AND column_name = 'token_new'

    ) THEN

        EXECUTE 'UPDATE contact_pending SET token_new = gen_random_uuid()';

    END IF;

END$$;



UPDATE content                    SET id_new = gen_random_uuid();

UPDATE gameserver                 SET id_new = gen_random_uuid();

UPDATE navbar_items               SET id_new = gen_random_uuid();

UPDATE youtube_videos             SET id_new = gen_random_uuid();

UPDATE editor_template_revisions  SET id_new = gen_random_uuid();

UPDATE tags_content               SET tag_id_new = NULL;  -- FK only, set below

UPDATE tags_content               SET content_id_new = NULL;

UPDATE comments                   SET id_new = gen_random_uuid();



-- ---------------------------------------------------------------------------

-- 3. Propagate UUIDs through foreign key references

-- ---------------------------------------------------------------------------



-- session_data.sessionid -> session.id

UPDATE session_data sd

   SET sessionid_new = s.id_new

  FROM session s

 WHERE sd.sessionid::text = s.id::text;



-- content.author -> users.id

UPDATE content c

   SET author_new = u.id_new

  FROM users u

 WHERE c.author::text = u.id::text;



-- gameserver.protocol -> gameserver_protocols.id

UPDATE gameserver g

   SET protocol_new = gp.id_new

  FROM gameserver_protocols gp

 WHERE g.protocol::text = gp.id::text;



-- navbar_items.navbar_id -> navbar.id

UPDATE navbar_items ni

   SET navbar_id_new = n.id_new

  FROM navbar n

 WHERE ni.navbar_id::text = n.id::text;



-- youtube_videos.youtube_channels_pkey -> youtube_channels.id

UPDATE youtube_videos yv

   SET youtube_channels_pkey_new = yc.id_new

  FROM youtube_channels yc

 WHERE yv.youtube_channels_pkey::text = yc.id::text;



-- editor_template_revisions.template_id -> editor_templates.id

UPDATE editor_template_revisions etr

   SET template_id_new = et.id_new

  FROM editor_templates et

 WHERE etr.template_id::text = et.id::text;



-- tags_content.tag_id -> tags.id

UPDATE tags_content tc

   SET tag_id_new = t.id_new

  FROM tags t

 WHERE tc.tag_id::text = t.id::text;



-- tags_content.content_id -> content.id

UPDATE tags_content tc

   SET content_id_new = c.id_new

  FROM content c

 WHERE tc.content_id::text = c.id::text;



-- comments.content_id -> content.id

UPDATE comments cm

   SET content_id_new = c.id_new

  FROM content c

 WHERE cm.content_id::text = c.id::text;



-- comments.user_id -> users.id

UPDATE comments cm

   SET user_id_new = u.id_new

  FROM users u

 WHERE cm.user_id::text = u.id::text;



-- ---------------------------------------------------------------------------

-- 4. Drop ALL foreign key constraints referencing migrated tables

-- ---------------------------------------------------------------------------



DO $$

DECLARE

    r RECORD;

BEGIN

    -- Drop all FK constraints that reference any of the tables being migrated

    FOR r IN (

        SELECT con.conname, con.conrelid::regclass AS tbl

          FROM pg_constraint con

          JOIN pg_constraint ref ON con.confrelid = ref.conrelid

         WHERE con.contype = 'f'

           AND con.confrelid::regclass::text IN (

               'users', 'session', 'options', 'theme_colors', 'cookie_rules',

               'tags', 'gameserver_protocols', 'navbar', 'youtube_channels',

               'templates', 'static_content', 'survey_results',

               'editor_templates', 'content', 'gameserver', 'navbar_items',

               'youtube_videos', 'editor_template_revisions', 'comments'

           )

           AND ref.contype = 'p'

    ) LOOP

        EXECUTE format('ALTER TABLE %s DROP CONSTRAINT IF EXISTS %I', r.tbl, r.conname);

    END LOOP;



    -- Also drop FK constraints ON the migrated tables themselves

    FOR r IN (

        SELECT conname, conrelid::regclass AS tbl

          FROM pg_constraint

         WHERE contype = 'f'

           AND conrelid::regclass::text IN (

               'session_data', 'content', 'gameserver',

               'navbar_items', 'youtube_videos',

               'editor_template_revisions', 'tags_content', 'comments',

               'media_albums'

           )

    ) LOOP

        EXECUTE format('ALTER TABLE %s DROP CONSTRAINT IF EXISTS %I', r.tbl, r.conname);

    END LOOP;

END$$;



-- ---------------------------------------------------------------------------

-- 5. Drop old primary key constraints

-- ---------------------------------------------------------------------------



DO $$

DECLARE

    r RECORD;

BEGIN

    FOR r IN (

        SELECT conname, conrelid::regclass AS tbl

          FROM pg_constraint

         WHERE contype = 'p'

           AND conrelid::regclass::text IN (

               'users', 'session', 'options', 'theme_colors', 'cookie_rules',

               'tags', 'gameserver_protocols', 'navbar', 'youtube_channels',

               'templates', 'static_content', 'survey_results',

               'editor_templates', 'content', 'gameserver', 'navbar_items',

               'youtube_videos', 'editor_template_revisions', 'comments'

           )

    ) LOOP

        EXECUTE format('ALTER TABLE %s DROP CONSTRAINT %I', r.tbl, r.conname);

    END LOOP;

END$$;



-- ---------------------------------------------------------------------------

-- 6. Drop old columns, rename new columns

-- ---------------------------------------------------------------------------



-- == Level 0 tables ==



ALTER TABLE users              DROP COLUMN id CASCADE;

ALTER TABLE users              RENAME COLUMN id_new TO id;



ALTER TABLE session            DROP COLUMN id CASCADE;

ALTER TABLE session            RENAME COLUMN id_new TO id;



ALTER TABLE options            DROP COLUMN id CASCADE;

ALTER TABLE options            RENAME COLUMN id_new TO id;



ALTER TABLE theme_colors       DROP COLUMN id CASCADE;

ALTER TABLE theme_colors       RENAME COLUMN id_new TO id;



ALTER TABLE cookie_rules       DROP COLUMN id CASCADE;

ALTER TABLE cookie_rules       RENAME COLUMN id_new TO id;



ALTER TABLE tags               DROP COLUMN id CASCADE;

ALTER TABLE tags               RENAME COLUMN id_new TO id;



ALTER TABLE gameserver_protocols DROP COLUMN id CASCADE;

ALTER TABLE gameserver_protocols RENAME COLUMN id_new TO id;



ALTER TABLE navbar             DROP COLUMN id CASCADE;

ALTER TABLE navbar             RENAME COLUMN id_new TO id;



ALTER TABLE youtube_channels   DROP COLUMN id CASCADE;

ALTER TABLE youtube_channels   RENAME COLUMN id_new TO id;



ALTER TABLE templates          DROP COLUMN id CASCADE;

ALTER TABLE templates          RENAME COLUMN id_new TO id;



ALTER TABLE static_content     DROP COLUMN id CASCADE;

ALTER TABLE static_content     RENAME COLUMN id_new TO id;



ALTER TABLE survey_results     DROP COLUMN id CASCADE;

ALTER TABLE survey_results     RENAME COLUMN id_new TO id;



ALTER TABLE editor_templates   DROP COLUMN id CASCADE;

ALTER TABLE editor_templates   RENAME COLUMN id_new TO id;



-- contact_pending (conditional)

DO $$

BEGIN

    IF EXISTS (

        SELECT 1 FROM information_schema.columns

        WHERE table_name = 'contact_pending' AND column_name = 'token_new'

    ) THEN

        EXECUTE 'ALTER TABLE contact_pending DROP COLUMN token CASCADE';

        EXECUTE 'ALTER TABLE contact_pending RENAME COLUMN token_new TO token';

    END IF;

END$$;



-- == Level 1 tables ==



ALTER TABLE session_data       DROP COLUMN sessionid CASCADE;

ALTER TABLE session_data       RENAME COLUMN sessionid_new TO sessionid;



ALTER TABLE content            DROP COLUMN id CASCADE;

ALTER TABLE content            RENAME COLUMN id_new TO id;

ALTER TABLE content            DROP COLUMN author CASCADE;

ALTER TABLE content            RENAME COLUMN author_new TO author;



ALTER TABLE gameserver         DROP COLUMN id CASCADE;

ALTER TABLE gameserver         RENAME COLUMN id_new TO id;

ALTER TABLE gameserver         DROP COLUMN protocol CASCADE;

ALTER TABLE gameserver         RENAME COLUMN protocol_new TO protocol;



ALTER TABLE navbar_items       DROP COLUMN id CASCADE;

ALTER TABLE navbar_items       RENAME COLUMN id_new TO id;

ALTER TABLE navbar_items       DROP COLUMN navbar_id CASCADE;

ALTER TABLE navbar_items       RENAME COLUMN navbar_id_new TO navbar_id;



ALTER TABLE youtube_videos     DROP COLUMN id CASCADE;

ALTER TABLE youtube_videos     RENAME COLUMN id_new TO id;

ALTER TABLE youtube_videos     DROP COLUMN youtube_channels_pkey CASCADE;

ALTER TABLE youtube_videos     RENAME COLUMN youtube_channels_pkey_new TO youtube_channels_pkey;



ALTER TABLE editor_template_revisions DROP COLUMN id CASCADE;

ALTER TABLE editor_template_revisions RENAME COLUMN id_new TO id;

ALTER TABLE editor_template_revisions DROP COLUMN template_id CASCADE;

ALTER TABLE editor_template_revisions RENAME COLUMN template_id_new TO template_id;



-- == Level 2 tables ==



ALTER TABLE tags_content       DROP COLUMN tag_id CASCADE;

ALTER TABLE tags_content       RENAME COLUMN tag_id_new TO tag_id;

ALTER TABLE tags_content       DROP COLUMN content_id CASCADE;

ALTER TABLE tags_content       RENAME COLUMN content_id_new TO content_id;



ALTER TABLE comments           DROP COLUMN id CASCADE;

ALTER TABLE comments           RENAME COLUMN id_new TO id;

ALTER TABLE comments           DROP COLUMN content_id CASCADE;

ALTER TABLE comments           RENAME COLUMN content_id_new TO content_id;

ALTER TABLE comments           DROP COLUMN user_id CASCADE;

ALTER TABLE comments           RENAME COLUMN user_id_new TO user_id;



-- ---------------------------------------------------------------------------

-- 7. Re-add primary key constraints

-- ---------------------------------------------------------------------------



ALTER TABLE users              ADD PRIMARY KEY (id);

ALTER TABLE session            ADD PRIMARY KEY (id);

ALTER TABLE options            ADD PRIMARY KEY (id);

ALTER TABLE theme_colors       ADD PRIMARY KEY (id);

ALTER TABLE cookie_rules       ADD PRIMARY KEY (id);

ALTER TABLE tags               ADD PRIMARY KEY (id);

ALTER TABLE gameserver_protocols ADD PRIMARY KEY (id);

ALTER TABLE navbar             ADD PRIMARY KEY (id);

ALTER TABLE youtube_channels   ADD PRIMARY KEY (id);

ALTER TABLE templates          ADD PRIMARY KEY (id);

ALTER TABLE static_content     ADD PRIMARY KEY (id);

ALTER TABLE survey_results     ADD PRIMARY KEY (id);

ALTER TABLE editor_templates   ADD PRIMARY KEY (id);

ALTER TABLE content            ADD PRIMARY KEY (id);

ALTER TABLE gameserver         ADD PRIMARY KEY (id);

ALTER TABLE navbar_items       ADD PRIMARY KEY (id);

ALTER TABLE youtube_videos     ADD PRIMARY KEY (id);

ALTER TABLE editor_template_revisions ADD PRIMARY KEY (id);

ALTER TABLE comments           ADD PRIMARY KEY (id);



-- contact_pending: only add PK if we migrated it (token_new existed)

DO $$

BEGIN

    IF NOT EXISTS (

        SELECT 1 FROM pg_constraint

        WHERE conrelid = 'contact_pending'::regclass AND contype = 'p'

    ) THEN

        EXECUTE 'ALTER TABLE contact_pending ADD PRIMARY KEY (token)';

    END IF;

END$$;



-- ---------------------------------------------------------------------------

-- 8. Re-add foreign key constraints

-- ---------------------------------------------------------------------------



ALTER TABLE session_data

    ADD CONSTRAINT session_data_sessionid_fkey

    FOREIGN KEY (sessionid) REFERENCES session (id);



ALTER TABLE content

    ADD CONSTRAINT content_author_fkey

    FOREIGN KEY (author) REFERENCES users (id);



ALTER TABLE gameserver

    ADD CONSTRAINT gameserver_protocol_fkey

    FOREIGN KEY (protocol) REFERENCES gameserver_protocols (id);



ALTER TABLE navbar_items

    ADD CONSTRAINT navbar_items_navbar_id_fkey

    FOREIGN KEY (navbar_id) REFERENCES navbar (id);



ALTER TABLE youtube_videos

    ADD CONSTRAINT youtube_videos_youtube_channels_pkey_fkey

    FOREIGN KEY (youtube_channels_pkey) REFERENCES youtube_channels (id);



ALTER TABLE editor_template_revisions

    ADD CONSTRAINT editor_template_revisions_template_id_fkey

    FOREIGN KEY (template_id) REFERENCES editor_templates (id);



ALTER TABLE tags_content

    ADD CONSTRAINT tags_content_tag_id_fkey

    FOREIGN KEY (tag_id) REFERENCES tags (id);



ALTER TABLE tags_content

    ADD CONSTRAINT tags_content_content_id_fkey

    FOREIGN KEY (content_id) REFERENCES content (id);



ALTER TABLE comments

    ADD CONSTRAINT comments_content_id_fkey

    FOREIGN KEY (content_id) REFERENCES content (id);



ALTER TABLE comments

    ADD CONSTRAINT comments_user_id_fkey

    FOREIGN KEY (user_id) REFERENCES users (id);



-- ---------------------------------------------------------------------------

-- 9. Set NOT NULL constraints where required

-- ---------------------------------------------------------------------------



ALTER TABLE users              ALTER COLUMN id SET NOT NULL;

ALTER TABLE session            ALTER COLUMN id SET NOT NULL;

ALTER TABLE options            ALTER COLUMN id SET NOT NULL;

ALTER TABLE theme_colors       ALTER COLUMN id SET NOT NULL;

ALTER TABLE cookie_rules       ALTER COLUMN id SET NOT NULL;

ALTER TABLE tags               ALTER COLUMN id SET NOT NULL;

ALTER TABLE gameserver_protocols ALTER COLUMN id SET NOT NULL;

ALTER TABLE navbar             ALTER COLUMN id SET NOT NULL;

ALTER TABLE youtube_channels   ALTER COLUMN id SET NOT NULL;

ALTER TABLE templates          ALTER COLUMN id SET NOT NULL;

ALTER TABLE static_content     ALTER COLUMN id SET NOT NULL;

ALTER TABLE survey_results     ALTER COLUMN id SET NOT NULL;

ALTER TABLE editor_templates   ALTER COLUMN id SET NOT NULL;

ALTER TABLE content            ALTER COLUMN id SET NOT NULL;

ALTER TABLE gameserver         ALTER COLUMN id SET NOT NULL;

ALTER TABLE navbar_items       ALTER COLUMN id SET NOT NULL;

ALTER TABLE youtube_videos     ALTER COLUMN id SET NOT NULL;

ALTER TABLE editor_template_revisions ALTER COLUMN id SET NOT NULL;

ALTER TABLE comments           ALTER COLUMN id SET NOT NULL;



ALTER TABLE tags_content       ALTER COLUMN tag_id SET NOT NULL;

ALTER TABLE tags_content       ALTER COLUMN content_id SET NOT NULL;

ALTER TABLE comments           ALTER COLUMN content_id SET NOT NULL;

ALTER TABLE editor_template_revisions ALTER COLUMN template_id SET NOT NULL;



-- ---------------------------------------------------------------------------

-- 10. Set defaults for new inserts

-- ---------------------------------------------------------------------------



ALTER TABLE users              ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE session            ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE options            ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE theme_colors       ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE cookie_rules       ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE tags               ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE gameserver_protocols ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE navbar             ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE youtube_channels   ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE templates          ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE static_content     ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE survey_results     ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE editor_templates   ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE content            ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE gameserver         ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE navbar_items       ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE youtube_videos     ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE editor_template_revisions ALTER COLUMN id SET DEFAULT gen_random_uuid();

ALTER TABLE comments           ALTER COLUMN id SET DEFAULT gen_random_uuid();



-- ---------------------------------------------------------------------------

-- Done

-- ---------------------------------------------------------------------------



COMMIT;