32 lines
801 B
Python
32 lines
801 B
Python
import psycopg2
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import sys
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sys.stdout.reconfigure(encoding='utf-8')
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dsn = 'postgresql://local-Python:Neo-local-1991125@100.64.0.4:5432/LLZQ-test'
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conn = psycopg2.connect(dsn)
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cur = conn.cursor()
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# 查询 skill_id 和 skill_name 的对应关系及数量
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cur.execute("""
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SELECT
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skill_id,
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skill_name,
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COUNT(*) as count
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FROM billiards_dwd.dwd_assistant_service_log
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GROUP BY skill_id, skill_name
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ORDER BY skill_id, count DESC
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""")
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results = cur.fetchall()
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print("| skill_id | skill_name | 记录数 |")
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print("|----------|------------|--------|")
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for row in results:
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skill_id, skill_name, count = row
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name = skill_name if skill_name else "(NULL)"
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print(f"| {skill_id} | {name} | {count} |")
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print(f"\n共 {len(results)} 种组合")
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conn.close()
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