22 lines
1.2 KiB
SQL
22 lines
1.2 KiB
SQL
-- Migration 008: Derived substitution pairs.
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-- Source: diff of lishuyang/recipepairs (GPL-3.0 derivation — raw data not shipped).
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CREATE TABLE substitution_pairs (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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original_name TEXT NOT NULL,
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substitute_name TEXT NOT NULL,
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constraint_label TEXT NOT NULL, -- 'vegan'|'vegetarian'|'dairy_free'|'gluten_free'|'low_fat'|'low_sodium'
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fat_delta REAL DEFAULT 0.0,
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moisture_delta REAL DEFAULT 0.0,
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glutamate_delta REAL DEFAULT 0.0,
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protein_delta REAL DEFAULT 0.0,
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occurrence_count INTEGER DEFAULT 1,
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compensation_hints TEXT NOT NULL DEFAULT '[]', -- JSON [{ingredient, reason, element}]
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source TEXT NOT NULL DEFAULT 'derived',
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created_at TEXT NOT NULL DEFAULT (datetime('now'))
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);
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CREATE INDEX idx_substitution_pairs_original ON substitution_pairs (original_name);
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CREATE INDEX idx_substitution_pairs_constraint ON substitution_pairs (constraint_label);
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CREATE UNIQUE INDEX idx_substitution_pairs_pair
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ON substitution_pairs (original_name, substitute_name, constraint_label);
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