50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
#!/usr/bin/env python3
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import sqlite3
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from loguru import logger
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def check_interested_values():
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"""检查is_interested字段的值范围"""
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try:
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# 连接数据库
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conn = sqlite3.connect('tophub_data.db')
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cursor = conn.cursor()
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# 查询is_interested字段的最小值、最大值和平均值
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cursor.execute("SELECT MIN(is_interested), MAX(is_interested), AVG(is_interested) FROM articles")
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result = cursor.fetchone()
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min_val, max_val, avg_val = result
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logger.info(f"is_interested字段统计:")
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logger.info(f" 最小值: {min_val}")
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logger.info(f" 最大值: {max_val}")
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logger.info(f" 平均值: {avg_val:.2f}")
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# 查询不同值的分布
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cursor.execute("SELECT is_interested, COUNT(*) FROM articles GROUP BY is_interested ORDER BY is_interested")
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distribution = cursor.fetchall()
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logger.info("\nis_interested值分布:")
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for value, count in distribution:
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logger.info(f" {value}: {count} 条记录")
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# 查询一些示例记录
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cursor.execute("SELECT id, title, is_interested FROM articles ORDER BY is_interested DESC LIMIT 5")
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examples = cursor.fetchall()
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logger.info("\n示例记录:")
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for example in examples:
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logger.info(f" ID: {example[0]}, 标题: {example[1][:30]}..., is_interested: {example[2]}")
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conn.close()
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return True
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except sqlite3.Error as e:
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logger.error(f"数据库操作出错: {str(e)}")
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return False
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except Exception as e:
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logger.error(f"查询数据时出错: {str(e)}")
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return False
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if __name__ == "__main__":
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logger.add("check_interested_values.log", rotation="10 MB", level="INFO")
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check_interested_values() |