import psycopg2
from collections import defaultdict

conn = psycopg2.connect('postgresql://local-Python:Neo-local-1991125@100.64.0.4:5432/LLZQ-test')
cur = conn.cursor()
cur.execute("SELECT table_name, column_name, data_type, ordinal_position FROM information_schema.columns WHERE table_schema = 'billiards_dwd' ORDER BY table_name, ordinal_position")
results = cur.fetchall()
tables = defaultdict(list)
for row in results:
    tables[row[0]].append((row[1], row[2], row[3]))

for table in sorted(tables.keys()):
    print(f'\n琛ㄥ悕: {table}')
    cols = tables[table]
    for col, dtype, pos in cols:
        print(f'  {pos}. {col} ({dtype})')

cur.close()
conn.close()