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68
Tools/T1_CreateTable.py
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68
Tools/T1_CreateTable.py
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import asyncio
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import os
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import sys
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import logging
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# 配置日志
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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# 将项目根目录添加到系统路径,以便能够导入 DbKit 和 Config 等模块
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project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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if project_root not in sys.path:
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sys.path.append(project_root)
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from Util import Win32Patch
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# 应用 Windows 平台的异步策略补丁
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Win32Patch.patch()
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from DbKit.Db import Db
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from Config.Config import DB_URL
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async def init_tables():
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"""
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初始化数据库表结构:读取 SQL 文件并逐条执行。
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"""
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logger.info("正在初始化数据库连接...")
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db = Db(db_url=DB_URL)
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await db.init_db()
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logger.info("正在读取 SQL 文件...")
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# SQL 文件路径:相对于当前脚本所在目录 (DbKit/)
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sql_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), '', 'Sql/doris_ddl.sql')
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logger.info(f"使用 SQL 文件: {sql_path}")
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with open(sql_path, 'r', encoding='utf-8') as f:
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sql_content = f.read()
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# 使用分号分割 SQL 语句,并过滤掉空行和空白语句
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statements = [s.strip() for s in sql_content.split(';') if s.strip()]
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logger.info(f"共找到 {len(statements)} 条 SQL 语句。")
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async with await db.get_session() as session:
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for i, stmt in enumerate(statements):
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logger.info(f"正在执行第 {i + 1} 条语句...")
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# 使用 SQLAlchemy 的 text() 函数执行原生 SQL
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from sqlalchemy import text
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try:
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await session.execute(text(stmt))
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logger.info(f"第 {i + 1} 条语句执行成功。")
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except Exception as e:
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logger.error(f"执行第 {i + 1} 条语句时出错: {e}")
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# 虽然大多数数据库的 DDL 语句是自动提交的,但显式提交是一个好习惯
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await session.commit()
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logger.info("数据库表初始化完成。")
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# 优雅地关闭数据库引擎并释放连接
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await db.engine.dispose()
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if __name__ == "__main__":
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# 再次确保补丁已应用
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Win32Patch.patch()
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# 运行异步初始化函数
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asyncio.run(init_tables())
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