Lars
ae6c089366
- Incremented application version to 0.8.7 and updated database schema version to 20260430034. - Enhanced exercise progression graph functionality by adding support for exercise variants as node endpoints and bulk creation of progression sequences. - Updated changelog to reflect new features and improvements related to progression graphs and API enhancements.
46 lines
1.7 KiB
SQL
46 lines
1.7 KiB
SQL
-- Migration 034: Progressionskanten optional mit Übungsvarianten (Knoten = Übung oder konkrete Variante).
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-- UNIQUE und CHECK angepasst; Kanten innerhalb derselben Übung nur zwischen verschiedenen Varianten.
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ALTER TABLE exercise_progression_edges
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ADD COLUMN IF NOT EXISTS from_exercise_variant_id INT REFERENCES exercise_variants(id) ON DELETE CASCADE,
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ADD COLUMN IF NOT EXISTS to_exercise_variant_id INT REFERENCES exercise_variants(id) ON DELETE CASCADE;
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CREATE INDEX IF NOT EXISTS idx_progression_edges_from_variant ON exercise_progression_edges(from_exercise_variant_id)
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WHERE from_exercise_variant_id IS NOT NULL;
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CREATE INDEX IF NOT EXISTS idx_progression_edges_to_variant ON exercise_progression_edges(to_exercise_variant_id)
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WHERE to_exercise_variant_id IS NOT NULL;
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DO $$
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BEGIN
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ALTER TABLE exercise_progression_edges
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DROP CONSTRAINT exercise_progression_edges_graph_id_from_exercise_id_to_exercise_id_edge_type_key;
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EXCEPTION
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WHEN undefined_object THEN NULL;
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END $$;
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DO $$
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BEGIN
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ALTER TABLE exercise_progression_edges DROP CONSTRAINT exercise_progression_edges_check;
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EXCEPTION
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WHEN undefined_object THEN NULL;
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END $$;
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ALTER TABLE exercise_progression_edges ADD CONSTRAINT exercise_progression_edges_endpoints_distinct CHECK (
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(from_exercise_id <> to_exercise_id)
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OR (
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from_exercise_variant_id IS NOT NULL
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AND to_exercise_variant_id IS NOT NULL
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AND from_exercise_variant_id <> to_exercise_variant_id
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)
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);
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CREATE UNIQUE INDEX IF NOT EXISTS exercise_progression_edges_unique_endpoints
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ON exercise_progression_edges (
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graph_id,
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from_exercise_id,
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COALESCE(from_exercise_variant_id, 0),
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to_exercise_id,
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COALESCE(to_exercise_variant_id, 0),
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edge_type
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);
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