18 lines
421 B
Python
18 lines
421 B
Python
"""查询 auth.users 表的 CHECK 约束"""
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import os
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import psycopg2
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from dotenv import load_dotenv
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load_dotenv()
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dsn = os.environ["APP_DB_DSN"]
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conn = psycopg2.connect(dsn)
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cur = conn.cursor()
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cur.execute("""
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SELECT conname, pg_get_constraintdef(oid)
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FROM pg_constraint
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WHERE conrelid = 'auth.users'::regclass AND contype = 'c'
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""")
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for row in cur.fetchall():
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print(f"{row[0]}: {row[1]}")
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conn.close()
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