69 lines
2.5 KiB
MySQL
69 lines
2.5 KiB
MySQL
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-- Database Migration SQL Script
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-- Run this with a database user that has CREATE privilege
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-- Command: psql -U postgres -d church_songlyric -f migration.sql
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-- OR connect as the database owner:
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-- psql -U songlyric_user -d church_songlyric -f migration.sql
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BEGIN;
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-- Add indexes for performance (10-100x faster queries)
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CREATE INDEX IF NOT EXISTS idx_profile_name ON profiles(name);
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CREATE INDEX IF NOT EXISTS idx_song_title ON songs(title);
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CREATE INDEX IF NOT EXISTS idx_song_artist ON songs(artist);
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CREATE INDEX IF NOT EXISTS idx_song_band ON songs(band);
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CREATE INDEX IF NOT EXISTS idx_plan_date ON plans(date);
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CREATE INDEX IF NOT EXISTS idx_plan_profile ON plans(profile_id);
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CREATE INDEX IF NOT EXISTS idx_plan_songs_plan ON plan_songs(plan_id);
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CREATE INDEX IF NOT EXISTS idx_plan_songs_order ON plan_songs(plan_id, order_index);
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CREATE INDEX IF NOT EXISTS idx_profile_songs_profile ON profile_songs(profile_id);
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CREATE INDEX IF NOT EXISTS idx_profile_song_keys ON profile_song_keys(profile_id, song_id);
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-- Add unique constraints to prevent duplicates
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-- Note: These will fail if duplicate data exists - clean data first
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-- Check for duplicates first:
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-- SELECT plan_id, song_id, COUNT(*) FROM plan_songs GROUP BY plan_id, song_id HAVING COUNT(*) > 1;
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-- SELECT profile_id, song_id, COUNT(*) FROM profile_songs GROUP BY profile_id, song_id HAVING COUNT(*) > 1;
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-- SELECT profile_id, song_id, COUNT(*) FROM profile_song_keys GROUP BY profile_id, song_id HAVING COUNT(*) > 1;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint WHERE conname = 'uq_plan_song'
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) THEN
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ALTER TABLE plan_songs ADD CONSTRAINT uq_plan_song UNIQUE (plan_id, song_id);
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END IF;
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END $$;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint WHERE conname = 'uq_profile_song'
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) THEN
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ALTER TABLE profile_songs ADD CONSTRAINT uq_profile_song UNIQUE (profile_id, song_id);
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END IF;
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END $$;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint WHERE conname = 'uq_profile_song_key'
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) THEN
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ALTER TABLE profile_song_keys ADD CONSTRAINT uq_profile_song_key UNIQUE (profile_id, song_id);
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END IF;
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END $$;
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COMMIT;
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-- Verify indexes were created
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SELECT schemaname, tablename, indexname
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FROM pg_indexes
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WHERE tablename IN ('profiles', 'songs', 'plans', 'plan_songs', 'profile_songs', 'profile_song_keys')
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ORDER BY tablename, indexname;
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-- Verify constraints were created
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SELECT conname, contype, conrelid::regclass AS table_name
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FROM pg_constraint
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WHERE conname IN ('uq_plan_song', 'uq_profile_song', 'uq_profile_song_key');
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