68 lines
2.2 KiB
PL/PgSQL
68 lines
2.2 KiB
PL/PgSQL
-- Reverse: recreate metadata_providers and remap chain entries back.
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-- Note: display_name may not round-trip perfectly.
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BEGIN;
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-- Step 1: Recreate the metadata_providers table.
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CREATE TABLE metadata_providers (
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id SERIAL PRIMARY KEY,
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slug TEXT NOT NULL UNIQUE,
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provider_type TEXT NOT NULL DEFAULT 'plugin',
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enabled BOOLEAN NOT NULL DEFAULT true,
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settings JSONB,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- Step 2: Populate from plugin_capabilities.
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INSERT INTO metadata_providers (slug, provider_type, settings)
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SELECT
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pc.capability_id,
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'plugin',
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jsonb_build_object(
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'plugin_installation_id', pc.plugin_installation_id::text,
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'capability_id', pc.capability_id,
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'display_name', COALESCE(pc.metadata->>'display_name', pc.capability_id)
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)
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FROM plugin_capabilities pc
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WHERE pc.capability_type = 'metadata_provider.v1';
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-- Step 3: Add provider_id column back to chain entries.
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ALTER TABLE library_provider_chains
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ADD COLUMN provider_id INTEGER;
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-- Step 4: Map composite key back to provider_id.
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UPDATE library_provider_chains lpc
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SET provider_id = mp.id
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FROM metadata_providers mp
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WHERE (mp.settings->>'plugin_installation_id')::bigint = lpc.plugin_installation_id
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AND mp.settings->>'capability_id' = lpc.capability_id;
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-- Step 5: Delete any unmappable rows.
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DELETE FROM library_provider_chains WHERE provider_id IS NULL;
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ALTER TABLE library_provider_chains
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ALTER COLUMN provider_id SET NOT NULL;
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-- Step 6: Drop composite key columns and constraints.
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ALTER TABLE library_provider_chains
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DROP CONSTRAINT library_provider_chains_installation_fkey;
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ALTER TABLE library_provider_chains
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DROP CONSTRAINT library_provider_chains_pkey;
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ALTER TABLE library_provider_chains
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DROP COLUMN plugin_installation_id,
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DROP COLUMN capability_id,
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DROP COLUMN capability_type;
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-- Step 7: Restore original PK and FK.
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ALTER TABLE library_provider_chains
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ADD PRIMARY KEY (media_folder_id, provider_id, content_level);
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ALTER TABLE library_provider_chains
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ADD CONSTRAINT library_provider_chains_provider_id_fkey
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FOREIGN KEY (provider_id) REFERENCES metadata_providers(id) ON DELETE CASCADE;
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COMMIT;
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