cfdaily
55 lines
1.6 KiB
Python
Executable File
55 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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检查sqlite数据库中有多少bar数据 - vnpy_sqlite表名是dbbardata
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"""
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import sqlite3
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from vnpy.trader.constant import Exchange
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db_path = '/root/.vntrader/database.db'
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conn = sqlite3.connect(db_path)
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cursor = conn.cursor()
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print(f"📊 数据库: {db_path}")
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# 查看所有表
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cursor.execute("SELECT name FROM sqlite_master WHERE type='table';")
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tables = cursor.fetchall()
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print(f"\n📋 所有表:")
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for table in tables:
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print(f" {table[0]}")
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# 查看dbbardata表
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print(f"\n📊 dbbardata表统计:")
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try:
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cursor.execute("SELECT COUNT(*) FROM dbbardata;")
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count = cursor.fetchone()[0]
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print(f" 总共有 {count} 条bar数据")
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# 查看所有symbol
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cursor.execute("SELECT DISTINCT symbol, exchange FROM dbbardata;")
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symbols = cursor.fetchall()
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print(f" 标的列表:")
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for symbol, exchange_code in symbols:
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cursor.execute("SELECT COUNT(*) FROM dbbardata WHERE symbol = ? AND exchange = ?", (symbol, exchange_code))
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cnt = cursor.fetchone()[0]
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try:
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exchange = Exchange(exchange_code)
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except:
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exchange = exchange_code
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print(f" {symbol}.{exchange}: {cnt} 条")
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# 看一下时间范围
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cursor.execute("SELECT MIN(datetime), MAX(datetime) FROM dbbardata WHERE symbol = ? AND exchange = ?", (symbol, exchange_code))
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min_dt, max_dt = cursor.fetchone()
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print(f" 时间范围: {min_dt} ~ {max_dt}")
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except Exception as e:
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print(f"❌ 查询失败: {e}")
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import traceback
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traceback.print_exc()
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conn.close()
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print("\n✅ 查询完成")
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