15 lines
916 B
SQL
15 lines
916 B
SQL
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-- ============================================================
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-- B8: 选择强度链接线 —— seedling/planting 挂 seed_lot_id（规格 §3.13）
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-- ------------------------------------------------------------
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-- 幂等。bre_seed_lot 表已由 bre_tables.sql 建好。
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-- 链：seed_lot.seed_count → used_count(seedling 按出苗数累加) →
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-- COUNT(seedling WHERE seed_lot_id) → COUNT(tree WHERE planting.seed_lot_id)
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-- → COUNT(selection_result 入选)
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-- ============================================================
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ALTER TABLE bre_seedling ADD COLUMN IF NOT EXISTS seed_lot_id integer REFERENCES bre_seed_lot(id);
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CREATE INDEX IF NOT EXISTS ix_bre_seedling_seed_lot_id ON bre_seedling (seed_lot_id);
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ALTER TABLE bre_planting ADD COLUMN IF NOT EXISTS seed_lot_id integer REFERENCES bre_seed_lot(id);
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CREATE INDEX IF NOT EXISTS ix_bre_planting_seed_lot_id ON bre_planting (seed_lot_id);
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