173 lines
8.3 KiB
SQL
173 lines
8.3 KiB
SQL
-- ========================================
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-- 給与システム マイグレーション 2026-01-19
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-- Payroll System Migration Script
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-- ========================================
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-- このスクリプトは既存のpayroll_schema.sqlを適用済みのDBに対して実行してください
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-- This script should be run on databases that already have payroll_schema.sql applied
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-- ========================================
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-- 1. 既存テーブルへの列追加
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-- ========================================
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-- 従業員テーブルに新しい列を追加（介護保険判定用）
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-- Add new columns to employees table (for care insurance determination)
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ALTER TABLE employees
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ADD COLUMN IF NOT EXISTS birth_date DATE,
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ADD COLUMN IF NOT EXISTS gender VARCHAR(10),
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ADD COLUMN IF NOT EXISTS postal_code VARCHAR(10),
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ADD COLUMN IF NOT EXISTS address VARCHAR(200);
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COMMENT ON COLUMN employees.birth_date IS '生年月日（介護保険料計算に使用）';
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COMMENT ON COLUMN employees.gender IS '性別';
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COMMENT ON COLUMN employees.postal_code IS '郵便番号';
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COMMENT ON COLUMN employees.address IS '住所';
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-- 月次給与計算テーブルに介護保険列を追加
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-- Add care insurance column to monthly payroll table
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ALTER TABLE monthly_payroll
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ADD COLUMN IF NOT EXISTS care_insurance DECIMAL(12, 2) DEFAULT 0;
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COMMENT ON COLUMN monthly_payroll.care_insurance IS '介護保険料（40歳以上65歳未満対象）';
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-- ========================================
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-- 2. 介護保険料率の初期データを追加（まだ存在しない場合）
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-- ========================================
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INSERT INTO insurance_rates (rate_type, employee_rate, employer_rate, valid_from, notes)
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SELECT '介護保険', 0.0091, 0.0091, '2026-01-01', '介護保険料率 1.82% (労使折半、40歳以上対象)'
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WHERE NOT EXISTS (
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SELECT 1 FROM insurance_rates
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WHERE rate_type = '介護保険' AND valid_from = '2026-01-01'
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);
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-- ========================================
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-- 3. 新テーブル作成: 社会保険料上限設定
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-- ========================================
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CREATE TABLE IF NOT EXISTS insurance_limit_settings (
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limit_id SERIAL PRIMARY KEY,
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setting_type VARCHAR(50) NOT NULL, -- 健康保険上限/厚生年金上限/通勤手当非課税限度額
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limit_amount DECIMAL(12, 2) NOT NULL,
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valid_from DATE NOT NULL,
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valid_to DATE,
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notes TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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COMMENT ON TABLE insurance_limit_settings IS '社会保険料上限設定';
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COMMENT ON COLUMN insurance_limit_settings.setting_type IS '設定種別: 健康保険標準報酬月額上限/厚生年金標準報酬月額上限/通勤手当非課税限度額';
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COMMENT ON COLUMN insurance_limit_settings.limit_amount IS '上限額';
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-- ========================================
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-- 4. 新テーブル作成: 賞与計算
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-- ========================================
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CREATE TABLE IF NOT EXISTS bonus_payments (
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bonus_id SERIAL PRIMARY KEY,
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employee_id INTEGER NOT NULL REFERENCES employees(employee_id),
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bonus_year INTEGER NOT NULL,
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bonus_month INTEGER NOT NULL,
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bonus_type VARCHAR(50) NOT NULL, -- 夏季賞与/冬季賞与/決算賞与/その他
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payment_date DATE NOT NULL,
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status VARCHAR(20) DEFAULT 'draft', -- draft/calculated/approved/paid
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-- 支給項目
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base_bonus DECIMAL(12, 2) DEFAULT 0, -- 基本賞与額
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performance_bonus DECIMAL(12, 2) DEFAULT 0, -- 業績賞与
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other_bonus DECIMAL(12, 2) DEFAULT 0, -- その他賞与
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total_bonus DECIMAL(12, 2) DEFAULT 0, -- 総支給額
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-- 控除項目
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health_insurance DECIMAL(12, 2) DEFAULT 0,
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care_insurance DECIMAL(12, 2) DEFAULT 0, -- 介護保険（40歳以上）
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pension_insurance DECIMAL(12, 2) DEFAULT 0,
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employment_insurance DECIMAL(12, 2) DEFAULT 0,
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income_tax DECIMAL(12, 2) DEFAULT 0, -- 賞与所得税
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other_deduction DECIMAL(12, 2) DEFAULT 0,
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total_deduction DECIMAL(12, 2) DEFAULT 0,
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-- 差引支給額
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net_bonus DECIMAL(12, 2) DEFAULT 0,
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notes TEXT,
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calculated_at TIMESTAMP,
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calculated_by VARCHAR(100),
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approved_at TIMESTAMP,
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approved_by VARCHAR(100),
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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CONSTRAINT uc_bonus_employee_payment UNIQUE (employee_id, bonus_year, bonus_month, bonus_type)
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);
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COMMENT ON TABLE bonus_payments IS '賞与計算';
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COMMENT ON COLUMN bonus_payments.bonus_type IS '賞与種別: 夏季賞与/冬季賞与/決算賞与/その他';
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COMMENT ON COLUMN bonus_payments.status IS 'ステータス: draft/calculated/approved/paid';
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-- ========================================
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-- 5. 新テーブル作成: 扶養家族判定条件
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-- ========================================
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CREATE TABLE IF NOT EXISTS dependent_rules (
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rule_id SERIAL PRIMARY KEY,
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rule_type VARCHAR(50) NOT NULL, -- 所得限度額/年齢条件/同一生計
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rule_value VARCHAR(100) NOT NULL,
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valid_from DATE NOT NULL,
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valid_to DATE,
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description TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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COMMENT ON TABLE dependent_rules IS '扶養家族判定条件';
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COMMENT ON COLUMN dependent_rules.rule_type IS 'ルール種別: 所得限度額/年齢条件/同一生計';
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-- ========================================
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-- 6. インデックス作成
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-- ========================================
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CREATE INDEX IF NOT EXISTS idx_insurance_limits_valid ON insurance_limit_settings(valid_from, valid_to);
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CREATE INDEX IF NOT EXISTS idx_bonus_employee_year ON bonus_payments(employee_id, bonus_year);
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CREATE INDEX IF NOT EXISTS idx_bonus_status ON bonus_payments(status);
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CREATE INDEX IF NOT EXISTS idx_dependent_rules_valid ON dependent_rules(valid_from, valid_to);
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-- ========================================
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-- 7. トリガー: 更新日時の自動更新
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-- ========================================
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CREATE TRIGGER trg_insurance_limits_updated_at BEFORE UPDATE ON insurance_limit_settings
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FOR EACH ROW EXECUTE FUNCTION update_updated_at();
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CREATE TRIGGER trg_bonus_payments_updated_at BEFORE UPDATE ON bonus_payments
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FOR EACH ROW EXECUTE FUNCTION update_updated_at();
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-- ========================================
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-- 8. 初期データ: 社会保険料上限設定 (2026年度)
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-- ========================================
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INSERT INTO insurance_limit_settings (setting_type, limit_amount, valid_from, notes) VALUES
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('健康保険標準報酬月額上限', 1390000, '2026-01-01', '健康保険の標準報酬月額上限（第50級）'),
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('厚生年金標準報酬月額上限', 650000, '2026-01-01', '厚生年金保険の標準報酬月額上限（第32級）'),
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('通勤手当非課税限度額', 150000, '2026-01-01', '通勤手当の非課税限度額（月額）')
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ON CONFLICT DO NOTHING;
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-- ========================================
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-- 9. 初期データ: 扶養家族判定条件 (2026年度)
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-- ========================================
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INSERT INTO dependent_rules (rule_type, rule_value, valid_from, description) VALUES
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('所得限度額_一般', '480000', '2026-01-01', '一般扶養親族の所得限度額（年間48万円）'),
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('所得限度額_配偶者', '480000', '2026-01-01', '配偶者の所得限度額（年間48万円）'),
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('所得限度額_配偶者特別', '1330000', '2026-01-01', '配偶者特別控除の所得限度額（年間133万円）'),
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('年齢_特定扶養親族', '19-23', '2026-01-01', '特定扶養親族の年齢範囲（19歳以上23歳未満）'),
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('年齢_老人扶養親族', '70-', '2026-01-01', '老人扶養親族の年齢（70歳以上）')
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ON CONFLICT DO NOTHING;
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-- ========================================
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-- マイグレーション完了
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-- ========================================
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-- 以下のコマンドで適用状態を確認できます：
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-- Verify migration with the following commands:
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--
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-- \d employees -- 従業員テーブルの構造確認
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-- \d monthly_payroll -- 月次給与テーブルの構造確認
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-- \dt *bonus* -- 賞与テーブルの確認
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-- \dt *insurance_limit* -- 保険上限テーブルの確認
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-- \dt *dependent_rule* -- 扶養判定テーブルの確認
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--
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-- SELECT * FROM insurance_limit_settings; -- 保険上限設定の確認
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-- SELECT * FROM dependent_rules; -- 扶養判定条件の確認
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-- SELECT * FROM insurance_rates WHERE rate_type = '介護保険'; -- 介護保険料率の確認
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