35 lines
1.1 KiB
MySQL
35 lines
1.1 KiB
MySQL
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-- Migration 012: Unique constraint on (profile_id, date, focus)
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-- v9d Phase 2a: Prevent duplicate rest day types per date
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-- Date: 2026-03-22
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-- Add focus column (extracted from rest_config for performance + constraints)
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ALTER TABLE rest_days
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ADD COLUMN IF NOT EXISTS focus VARCHAR(20);
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-- Populate from existing JSONB data
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UPDATE rest_days
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SET focus = rest_config->>'focus'
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WHERE focus IS NULL;
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-- Make NOT NULL (safe because we just populated all rows)
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ALTER TABLE rest_days
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ALTER COLUMN focus SET NOT NULL;
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-- Add CHECK constraint for valid focus values
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ALTER TABLE rest_days
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ADD CONSTRAINT valid_focus CHECK (
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focus IN ('muscle_recovery', 'cardio_recovery', 'mental_rest', 'deload', 'injury')
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);
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-- Add UNIQUE constraint: Same profile + date + focus = duplicate
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ALTER TABLE rest_days
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ADD CONSTRAINT unique_rest_day_per_focus
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UNIQUE (profile_id, date, focus);
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-- Add index for efficient queries by focus
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CREATE INDEX IF NOT EXISTS idx_rest_days_focus
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ON rest_days(focus);
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-- Comment for documentation
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COMMENT ON COLUMN rest_days.focus IS 'Extracted from rest_config.focus for performance and constraints. Prevents duplicate rest day types per date.';
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