57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
import os
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import psycopg2
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from dotenv import load_dotenv
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# Load environment variables
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root_env = os.path.join(os.path.dirname(os.path.dirname(__file__)), '.env')
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load_dotenv(root_env)
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# Connect to database
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conn = psycopg2.connect(
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host=os.getenv('DB_HOST', '192.168.0.61'),
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port=os.getenv('DB_PORT', '55432'),
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dbname=os.getenv('DB_NAME', 'njts_acct'),
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user=os.getenv('DB_USER', 'njts_app'),
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password=os.getenv('DB_PASSWORD')
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)
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cur = conn.cursor()
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print("保険率カラムを DECIMAL(6,4) に戻しています...")
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# Alter insurance_rates table back to DECIMAL(6,4)
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cur.execute("""
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ALTER TABLE insurance_rates
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ALTER COLUMN employee_rate TYPE DECIMAL(6, 4),
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ALTER COLUMN employer_rate TYPE DECIMAL(6, 4)
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""")
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# Alter child_support_contribution_rates table
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cur.execute("""
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ALTER TABLE child_support_contribution_rates
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ALTER COLUMN contribution_rate TYPE DECIMAL(6, 4)
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""")
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conn.commit()
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print("OK データベース変更完了")
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# Verify
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cur.execute("""
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SELECT column_name, numeric_precision, numeric_scale
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FROM information_schema.columns
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WHERE table_name='insurance_rates'
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AND column_name IN ('employee_rate', 'employer_rate')
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ORDER BY column_name
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""")
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print("\n変更後:")
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for row in cur.fetchall():
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print(f" {row[0]}: numeric({row[1]},{row[2]})")
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cur.close()
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conn.close()
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print("\nデータベースは DECIMAL(6,4) で、フロントエンドの表示を小数点以下3桁にします。")
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print("これにより、4.955% のような値を正確に保存しつつ、表示は3桁に丸めることができます。")
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