|
|
@@ -0,0 +1,625 @@
|
|
|
+# -*- coding: utf-8 -*-
|
|
|
+# Author : Charley
|
|
|
+# Python : 3.10.8
|
|
|
+# Date : 2025/3/25 14:14
|
|
|
+import re
|
|
|
+import pymysql
|
|
|
+import YamlLoader
|
|
|
+from loguru import logger
|
|
|
+from dbutils.pooled_db import PooledDB
|
|
|
+
|
|
|
+# 获取yaml配置
|
|
|
+yaml = YamlLoader.readYaml()
|
|
|
+mysqlYaml = yaml.get("mysql")
|
|
|
+sql_host = mysqlYaml.getValueAsString("host")
|
|
|
+sql_port = mysqlYaml.getValueAsInt("port")
|
|
|
+sql_user = mysqlYaml.getValueAsString("username")
|
|
|
+sql_password = mysqlYaml.getValueAsString("password")
|
|
|
+sql_db = mysqlYaml.getValueAsString("db")
|
|
|
+
|
|
|
+
|
|
|
+class MySQLConnectionPool:
|
|
|
+ """
|
|
|
+ MySQL连接池
|
|
|
+ """
|
|
|
+
|
|
|
+ def __init__(self, mincached=4, maxcached=5, maxconnections=10, log=None):
|
|
|
+ """
|
|
|
+ 初始化连接池
|
|
|
+ :param mincached: 初始化时，链接池中至少创建的链接，0表示不创建
|
|
|
+ :param maxcached: 池中空闲连接的最大数目（0 或 None 表示池大小不受限制）
|
|
|
+ :param maxconnections: 允许的最大连接数（0 或 None 表示任意数量的连接）
|
|
|
+ :param log: 自定义日志记录器
|
|
|
+ """
|
|
|
+ # 使用 loguru 的 logger，如果传入了其他 logger，则使用传入的 logger
|
|
|
+ self.log = log or logger
|
|
|
+ self.pool = PooledDB(
|
|
|
+ creator=pymysql,
|
|
|
+ mincached=mincached,
|
|
|
+ maxcached=maxcached,
|
|
|
+ maxconnections=maxconnections,
|
|
|
+ blocking=True, # 连接池中如果没有可用连接后，是否阻塞等待。True，等待；False，不等待然后报错
|
|
|
+ host=sql_host,
|
|
|
+ port=sql_port,
|
|
|
+ user=sql_user,
|
|
|
+ password=sql_password,
|
|
|
+ database=sql_db,
|
|
|
+ ping=0 # 每次连接使用时自动检查有效性（0=不检查,1=执行query前检查,2=每次执行前检查）
|
|
|
+ )
|
|
|
+
|
|
|
+ def _execute(self, query, args=None, commit=False):
|
|
|
+ """
|
|
|
+ 执行SQL
|
|
|
+ :param query: SQL语句
|
|
|
+ :param args: SQL参数
|
|
|
+ :param commit: 是否提交事务
|
|
|
+ :return: 查询结果
|
|
|
+ """
|
|
|
+ try:
|
|
|
+ with self.pool.connection() as conn:
|
|
|
+ with conn.cursor() as cursor:
|
|
|
+ cursor.execute(query, args)
|
|
|
+ if commit:
|
|
|
+ conn.commit()
|
|
|
+ self.log.debug(f"sql _execute, Query: {query}, Rows: {cursor.rowcount}")
|
|
|
+ return cursor
|
|
|
+ except Exception as e:
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ self.log.exception(f"Error executing query: {e}, Query: {query}, Args: {args}")
|
|
|
+ raise e
|
|
|
+
|
|
|
+ def select_one(self, query, args=None):
|
|
|
+ """
|
|
|
+ 执行查询，返回单个结果
|
|
|
+ :param query: 查询语句
|
|
|
+ :param args: 查询参数
|
|
|
+ :return: 查询结果
|
|
|
+ """
|
|
|
+ cursor = self._execute(query, args)
|
|
|
+ return cursor.fetchone()
|
|
|
+
|
|
|
+ def select_all(self, query, args=None):
|
|
|
+ """
|
|
|
+ 执行查询，返回所有结果
|
|
|
+ :param query: 查询语句
|
|
|
+ :param args: 查询参数
|
|
|
+ :return: 查询结果
|
|
|
+ """
|
|
|
+ cursor = self._execute(query, args)
|
|
|
+ return cursor.fetchall()
|
|
|
+
|
|
|
+ def insert_one(self, query, args):
|
|
|
+ """
|
|
|
+ 执行单条插入语句
|
|
|
+ :param query: 插入语句
|
|
|
+ :param args: 插入参数
|
|
|
+ """
|
|
|
+ self.log.info('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>data insert_one 入库中>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>')
|
|
|
+ cursor = self._execute(query, args, commit=True)
|
|
|
+ return cursor.lastrowid # 返回插入的ID
|
|
|
+
|
|
|
+ def insert_all(self, query, args_list):
|
|
|
+ """
|
|
|
+ 执行批量插入语句,如果失败则逐条插入
|
|
|
+ :param query: 插入语句
|
|
|
+ :param args_list: 插入参数列表
|
|
|
+ """
|
|
|
+ conn = None
|
|
|
+ cursor = None
|
|
|
+ try:
|
|
|
+ conn = self.pool.connection()
|
|
|
+ cursor = conn.cursor()
|
|
|
+ cursor.executemany(query, args_list)
|
|
|
+ conn.commit()
|
|
|
+ self.log.debug(f"sql insert_all, SQL: {query[:100]}..., Rows: {cursor.rowcount}")
|
|
|
+ self.log.info('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>data insert_all 入库中>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>')
|
|
|
+ except pymysql.err.IntegrityError as e:
|
|
|
+ if "Duplicate entry" in str(e):
|
|
|
+ conn.rollback()
|
|
|
+ self.log.warning(f"批量插入遇到重复,开始逐条插入。错误: {e}")
|
|
|
+ rowcount = 0
|
|
|
+ for args in args_list:
|
|
|
+ try:
|
|
|
+ self.insert_one(query, args)
|
|
|
+ rowcount += 1
|
|
|
+ except pymysql.err.IntegrityError as e2:
|
|
|
+ if "Duplicate entry" in str(e2):
|
|
|
+ self.log.debug(f"跳过重复条目: {e2}")
|
|
|
+ else:
|
|
|
+ self.log.error(f"插入失败: {e2}")
|
|
|
+ except Exception as e2:
|
|
|
+ self.log.error(f"插入失败: {e2}")
|
|
|
+ self.log.info(f"逐条插入完成: {rowcount}/{len(args_list)}条")
|
|
|
+ else:
|
|
|
+ conn.rollback()
|
|
|
+ self.log.exception(f"数据库完整性错误: {e}")
|
|
|
+ raise e
|
|
|
+ except Exception as e:
|
|
|
+ conn.rollback()
|
|
|
+ self.log.exception(f"批量插入失败: {e}")
|
|
|
+ raise e
|
|
|
+ finally:
|
|
|
+ if cursor:
|
|
|
+ cursor.close()
|
|
|
+ if conn:
|
|
|
+ conn.close()
|
|
|
+
|
|
|
+ def insert_one_or_dict(self, table=None, data=None, query=None, args=None, commit=True, ignore=False):
|
|
|
+ """
|
|
|
+ 单条插入（支持字典或原始SQL）
|
|
|
+ :param table: 表名（字典插入时必需）
|
|
|
+ :param data: 字典数据 {列名: 值}
|
|
|
+ :param query: 直接SQL语句（与data二选一）
|
|
|
+ :param args: SQL参数（query使用时必需）
|
|
|
+ :param commit: 是否自动提交
|
|
|
+ :param ignore: 是否使用ignore
|
|
|
+ :return: 最后插入ID
|
|
|
+ """
|
|
|
+ if data is not None:
|
|
|
+ if not isinstance(data, dict):
|
|
|
+ raise ValueError("Data must be a dictionary")
|
|
|
+
|
|
|
+ keys = ', '.join([self._safe_identifier(k) for k in data.keys()])
|
|
|
+ values = ', '.join(['%s'] * len(data))
|
|
|
+
|
|
|
+ # 构建 INSERT IGNORE 语句
|
|
|
+ ignore_clause = "IGNORE" if ignore else ""
|
|
|
+ query = f"INSERT {ignore_clause} INTO {self._safe_identifier(table)} ({keys}) VALUES ({values})"
|
|
|
+ args = tuple(data.values())
|
|
|
+ elif query is None:
|
|
|
+ raise ValueError("Either data or query must be provided")
|
|
|
+
|
|
|
+ try:
|
|
|
+ cursor = self._execute(query, args, commit)
|
|
|
+ self.log.info(f"sql insert_one_or_dict, Table: {table}, Rows: {cursor.rowcount}")
|
|
|
+ self.log.info('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>data insert_one_or_dict 入库中>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>')
|
|
|
+ return cursor.lastrowid
|
|
|
+ except pymysql.err.IntegrityError as e:
|
|
|
+ if "Duplicate entry" in str(e):
|
|
|
+ self.log.warning(f"插入失败：重复条目，已跳过。错误详情: {e}")
|
|
|
+ return -1 # 返回 -1 表示重复条目被跳过
|
|
|
+ else:
|
|
|
+ self.log.exception(f"数据库完整性错误: {e}")
|
|
|
+ raise
|
|
|
+ except Exception as e:
|
|
|
+ self.log.exception(f"未知错误: {e}")
|
|
|
+ raise
|
|
|
+
|
|
|
+ def insert_many(self, table=None, data_list=None, query=None, args_list=None, batch_size=1000, commit=True,
|
|
|
+ ignore=False):
|
|
|
+ """
|
|
|
+ 批量插入（支持字典列表或原始SQL）
|
|
|
+ :param table: 表名（字典插入时必需）
|
|
|
+ :param data_list: 字典列表 [{列名: 值}]
|
|
|
+ :param query: 直接SQL语句（与data_list二选一）
|
|
|
+ :param args_list: SQL参数列表（query使用时必需）
|
|
|
+ :param batch_size: 分批大小
|
|
|
+ :param commit: 是否自动提交
|
|
|
+ :param ignore: 是否使用ignore
|
|
|
+ :return: 影响行数
|
|
|
+ """
|
|
|
+ if data_list is not None:
|
|
|
+ if not data_list or not isinstance(data_list[0], dict):
|
|
|
+ raise ValueError("Data_list must be a non-empty list of dictionaries")
|
|
|
+
|
|
|
+ keys = ', '.join([self._safe_identifier(k) for k in data_list[0].keys()])
|
|
|
+ values = ', '.join(['%s'] * len(data_list[0]))
|
|
|
+
|
|
|
+ # 构建 INSERT IGNORE 语句
|
|
|
+ ignore_clause = "IGNORE" if ignore else ""
|
|
|
+ query = f"INSERT {ignore_clause} INTO {self._safe_identifier(table)} ({keys}) VALUES ({values})"
|
|
|
+ args_list = [tuple(d.values()) for d in data_list]
|
|
|
+ elif query is None:
|
|
|
+ raise ValueError("Either data_list or query must be provided")
|
|
|
+
|
|
|
+ total = 0
|
|
|
+ for i in range(0, len(args_list), batch_size):
|
|
|
+ batch = args_list[i:i + batch_size]
|
|
|
+ try:
|
|
|
+ with self.pool.connection() as conn:
|
|
|
+ with conn.cursor() as cursor:
|
|
|
+ cursor.executemany(query, batch)
|
|
|
+ if commit:
|
|
|
+ conn.commit()
|
|
|
+ total += cursor.rowcount
|
|
|
+ except pymysql.err.IntegrityError as e:
|
|
|
+ # 处理唯一索引冲突
|
|
|
+ if "Duplicate entry" in str(e):
|
|
|
+ if ignore:
|
|
|
+ # 如果使用了 INSERT IGNORE,理论上不会进这里,但以防万一
|
|
|
+ self.log.warning(f"批量插入遇到重复条目(ignore模式): {e}")
|
|
|
+ else:
|
|
|
+ # 没有使用 IGNORE,降级为逐条插入
|
|
|
+ self.log.warning(f"批量插入遇到重复条目,开始逐条插入。错误: {e}")
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+
|
|
|
+ rowcount = 0
|
|
|
+ for j, args in enumerate(batch):
|
|
|
+ try:
|
|
|
+ if data_list:
|
|
|
+ # 字典模式
|
|
|
+ self.insert_one_or_dict(
|
|
|
+ table=table,
|
|
|
+ data=dict(zip(data_list[0].keys(), args)),
|
|
|
+ commit=commit,
|
|
|
+ ignore=False # 单条插入时手动捕获重复
|
|
|
+ )
|
|
|
+ else:
|
|
|
+ # 原始SQL模式
|
|
|
+ self.insert_one(query, args)
|
|
|
+ rowcount += 1
|
|
|
+ except pymysql.err.IntegrityError as e2:
|
|
|
+ if "Duplicate entry" in str(e2):
|
|
|
+ self.log.debug(f"跳过重复条目[{i+j+1}]: {e2}")
|
|
|
+ else:
|
|
|
+ self.log.error(f"插入失败[{i+j+1}]: {e2}")
|
|
|
+ except Exception as e2:
|
|
|
+ self.log.error(f"插入失败[{i+j+1}]: {e2}")
|
|
|
+ total += rowcount
|
|
|
+ self.log.info(f"批次逐条插入完成: 成功{rowcount}/{len(batch)}条")
|
|
|
+ else:
|
|
|
+ # 其他完整性错误
|
|
|
+ self.log.exception(f"数据库完整性错误: {e}")
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ raise e
|
|
|
+ except Exception as e:
|
|
|
+ # 其他数据库错误
|
|
|
+ self.log.exception(f"批量插入失败: {e}")
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ raise e
|
|
|
+ if table:
|
|
|
+ self.log.info(f"sql insert_many, Table: {table}, Total Rows: {total}")
|
|
|
+ else:
|
|
|
+ self.log.info(f"sql insert_many, Query: {query}, Total Rows: {total}")
|
|
|
+ return total
|
|
|
+
|
|
|
+ def insert_many_two(self, table=None, data_list=None, query=None, args_list=None, batch_size=1000, commit=True,
|
|
|
+ ignore=False):
|
|
|
+ """
|
|
|
+ 批量插入(支持字典列表或原始SQL) - 备用方法
|
|
|
+ :param table: 表名(字典插入时必需)
|
|
|
+ :param data_list: 字典列表 [{列名: 值}]
|
|
|
+ :param query: 直接SQL语句(与data_list二选一)
|
|
|
+ :param args_list: SQL参数列表(query使用时必需)
|
|
|
+ :param batch_size: 分批大小
|
|
|
+ :param commit: 是否自动提交
|
|
|
+ :param ignore: 是否使用INSERT IGNORE
|
|
|
+ :return: 影响行数
|
|
|
+ """
|
|
|
+ if data_list is not None:
|
|
|
+ if not data_list or not isinstance(data_list[0], dict):
|
|
|
+ raise ValueError("Data_list must be a non-empty list of dictionaries")
|
|
|
+ keys = ', '.join([self._safe_identifier(k) for k in data_list[0].keys()])
|
|
|
+ values = ', '.join(['%s'] * len(data_list[0]))
|
|
|
+ ignore_clause = "IGNORE" if ignore else ""
|
|
|
+ query = f"INSERT {ignore_clause} INTO {self._safe_identifier(table)} ({keys}) VALUES ({values})"
|
|
|
+ args_list = [tuple(d.values()) for d in data_list]
|
|
|
+ elif query is None:
|
|
|
+ raise ValueError("Either data_list or query must be provided")
|
|
|
+
|
|
|
+ total = 0
|
|
|
+ for i in range(0, len(args_list), batch_size):
|
|
|
+ batch = args_list[i:i + batch_size]
|
|
|
+ try:
|
|
|
+ with self.pool.connection() as conn:
|
|
|
+ with conn.cursor() as cursor:
|
|
|
+ cursor.executemany(query, batch)
|
|
|
+ if commit:
|
|
|
+ conn.commit()
|
|
|
+ total += cursor.rowcount
|
|
|
+ except pymysql.err.IntegrityError as e:
|
|
|
+ if "Duplicate entry" in str(e) and not ignore:
|
|
|
+ self.log.warning(f"批量插入遇到重复,降级为逐条插入: {e}")
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ rowcount = 0
|
|
|
+ for args in batch:
|
|
|
+ try:
|
|
|
+ self.insert_one(query, args)
|
|
|
+ rowcount += 1
|
|
|
+ except pymysql.err.IntegrityError as e2:
|
|
|
+ if "Duplicate entry" in str(e2):
|
|
|
+ self.log.debug(f"跳过重复条目: {e2}")
|
|
|
+ else:
|
|
|
+ self.log.error(f"插入失败: {e2}")
|
|
|
+ except Exception as e2:
|
|
|
+ self.log.error(f"插入失败: {e2}")
|
|
|
+ total += rowcount
|
|
|
+ else:
|
|
|
+ self.log.exception(f"数据库完整性错误: {e}")
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ raise e
|
|
|
+ except Exception as e:
|
|
|
+ self.log.exception(f"批量插入失败: {e}")
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ raise e
|
|
|
+ self.log.info(f"sql insert_many_two, Table: {table}, Total Rows: {total}")
|
|
|
+ return total
|
|
|
+
|
|
|
+ def insert_too_many(self, query, args_list, batch_size=1000):
|
|
|
+ """
|
|
|
+ 执行批量插入语句，分片提交, 单次插入大于十万+时可用, 如果失败则降级为逐条插入
|
|
|
+ :param query: 插入语句
|
|
|
+ :param args_list: 插入参数列表
|
|
|
+ :param batch_size: 每次插入的条数
|
|
|
+ """
|
|
|
+ self.log.info(f"sql insert_too_many, Query: {query}, Total Rows: {len(args_list)}")
|
|
|
+ for i in range(0, len(args_list), batch_size):
|
|
|
+ batch = args_list[i:i + batch_size]
|
|
|
+ try:
|
|
|
+ with self.pool.connection() as conn:
|
|
|
+ with conn.cursor() as cursor:
|
|
|
+ cursor.executemany(query, batch)
|
|
|
+ conn.commit()
|
|
|
+ self.log.debug(f"insert_too_many -> Total Rows: {len(batch)}")
|
|
|
+ except Exception as e:
|
|
|
+ self.log.error(f"insert_too_many error. Trying single insert. Error: {e}")
|
|
|
+ # 当前批次降级为单条插入
|
|
|
+ for args in batch:
|
|
|
+ self.insert_one(query, args)
|
|
|
+
|
|
|
+ def update_one(self, query, args):
|
|
|
+ """
|
|
|
+ 执行单条更新语句
|
|
|
+ :param query: 更新语句
|
|
|
+ :param args: 更新参数
|
|
|
+ """
|
|
|
+ self.log.info('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>data update_one 更新中>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>')
|
|
|
+ return self._execute(query, args, commit=True)
|
|
|
+
|
|
|
+ def update_all(self, query, args_list):
|
|
|
+ """
|
|
|
+ 执行批量更新语句，如果失败则逐条更新
|
|
|
+ :param query: 更新语句
|
|
|
+ :param args_list: 更新参数列表
|
|
|
+ """
|
|
|
+ conn = None
|
|
|
+ cursor = None
|
|
|
+ try:
|
|
|
+ conn = self.pool.connection()
|
|
|
+ cursor = conn.cursor()
|
|
|
+ cursor.executemany(query, args_list)
|
|
|
+ conn.commit()
|
|
|
+ self.log.debug(f"sql update_all, SQL: {query}, Rows: {len(args_list)}")
|
|
|
+ self.log.info('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>data update_all 更新中>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>')
|
|
|
+ except Exception as e:
|
|
|
+ conn.rollback()
|
|
|
+ self.log.error(f"Error executing query: {e}")
|
|
|
+ # 如果批量更新失败，则逐条更新
|
|
|
+ rowcount = 0
|
|
|
+ for args in args_list:
|
|
|
+ self.update_one(query, args)
|
|
|
+ rowcount += 1
|
|
|
+ self.log.debug(f'Batch update failed. Updated {rowcount} rows individually.')
|
|
|
+ finally:
|
|
|
+ if cursor:
|
|
|
+ cursor.close()
|
|
|
+ if conn:
|
|
|
+ conn.close()
|
|
|
+
|
|
|
+ def update_one_or_dict(self, table=None, data=None, condition=None, query=None, args=None, commit=True):
|
|
|
+ """
|
|
|
+ 单条更新（支持字典或原始SQL）
|
|
|
+ :param table: 表名（字典模式必需）
|
|
|
+ :param data: 字典数据 {列名: 值}（与 query 二选一）
|
|
|
+ :param condition: 更新条件，支持以下格式：
|
|
|
+ - 字典: {"id": 1} → "WHERE id = %s"
|
|
|
+ - 字符串: "id = 1" → "WHERE id = 1"（需自行确保安全）
|
|
|
+ - 元组: ("id = %s", [1]) → "WHERE id = %s"（参数化查询）
|
|
|
+ :param query: 直接SQL语句（与 data 二选一）
|
|
|
+ :param args: SQL参数（query 模式下必需）
|
|
|
+ :param commit: 是否自动提交
|
|
|
+ :return: 影响行数
|
|
|
+ :raises: ValueError 参数校验失败时抛出
|
|
|
+ """
|
|
|
+ # 参数校验
|
|
|
+ if data is not None:
|
|
|
+ if not isinstance(data, dict):
|
|
|
+ raise ValueError("Data must be a dictionary")
|
|
|
+ if table is None:
|
|
|
+ raise ValueError("Table name is required for dictionary update")
|
|
|
+ if condition is None:
|
|
|
+ raise ValueError("Condition is required for dictionary update")
|
|
|
+
|
|
|
+ # 构建 SET 子句
|
|
|
+ set_clause = ", ".join([f"{self._safe_identifier(k)} = %s" for k in data.keys()])
|
|
|
+ set_values = list(data.values())
|
|
|
+
|
|
|
+ # 解析条件
|
|
|
+ condition_clause, condition_args = self._parse_condition(condition)
|
|
|
+ query = f"UPDATE {self._safe_identifier(table)} SET {set_clause} WHERE {condition_clause}"
|
|
|
+ args = set_values + condition_args
|
|
|
+
|
|
|
+ elif query is None:
|
|
|
+ raise ValueError("Either data or query must be provided")
|
|
|
+
|
|
|
+ # 执行更新
|
|
|
+ cursor = self._execute(query, args, commit)
|
|
|
+ # self.log.debug(
|
|
|
+ # f"Updated table={table}, rows={cursor.rowcount}, query={query[:100]}...",
|
|
|
+ # extra={"table": table, "rows": cursor.rowcount}
|
|
|
+ # )
|
|
|
+ return cursor.rowcount
|
|
|
+
|
|
|
+ def _parse_condition(self, condition):
|
|
|
+ """
|
|
|
+ 解析条件为 (clause, args) 格式
|
|
|
+ :param condition: 字典/字符串/元组
|
|
|
+ :return: (str, list) SQL 子句和参数列表
|
|
|
+ """
|
|
|
+ if isinstance(condition, dict):
|
|
|
+ clause = " AND ".join([f"{self._safe_identifier(k)} = %s" for k in condition.keys()])
|
|
|
+ args = list(condition.values())
|
|
|
+ elif isinstance(condition, str):
|
|
|
+ clause = condition # 注意：需调用方确保安全
|
|
|
+ args = []
|
|
|
+ elif isinstance(condition, (tuple, list)) and len(condition) == 2:
|
|
|
+ clause, args = condition[0], condition[1]
|
|
|
+ if not isinstance(args, (list, tuple)):
|
|
|
+ args = [args]
|
|
|
+ else:
|
|
|
+ raise ValueError("Condition must be dict/str/(clause, args)")
|
|
|
+ return clause, args
|
|
|
+
|
|
|
+ def update_many(self, table=None, data_list=None, condition_list=None, query=None, args_list=None, batch_size=500,
|
|
|
+ commit=True):
|
|
|
+ """
|
|
|
+ 批量更新（支持字典列表或原始SQL）
|
|
|
+ :param table: 表名（字典插入时必需）
|
|
|
+ :param data_list: 字典列表 [{列名: 值}]
|
|
|
+ :param condition_list: 条件列表（必须为字典，与data_list等长）
|
|
|
+ :param query: 直接SQL语句（与data_list二选一）
|
|
|
+ :param args_list: SQL参数列表（query使用时必需）
|
|
|
+ :param batch_size: 分批大小
|
|
|
+ :param commit: 是否自动提交
|
|
|
+ :return: 影响行数
|
|
|
+ """
|
|
|
+ if data_list is not None:
|
|
|
+ if not data_list or not isinstance(data_list[0], dict):
|
|
|
+ raise ValueError("Data_list must be a non-empty list of dictionaries")
|
|
|
+ if condition_list is None or len(data_list) != len(condition_list):
|
|
|
+ raise ValueError("Condition_list must be provided and match the length of data_list")
|
|
|
+ if not all(isinstance(cond, dict) for cond in condition_list):
|
|
|
+ raise ValueError("All elements in condition_list must be dictionaries")
|
|
|
+
|
|
|
+ # 获取第一个数据项和条件项的键
|
|
|
+ first_data_keys = set(data_list[0].keys())
|
|
|
+ first_cond_keys = set(condition_list[0].keys())
|
|
|
+
|
|
|
+ # 构造基础SQL
|
|
|
+ set_clause = ', '.join([self._safe_identifier(k) + ' = %s' for k in data_list[0].keys()])
|
|
|
+ condition_clause = ' AND '.join([self._safe_identifier(k) + ' = %s' for k in condition_list[0].keys()])
|
|
|
+ base_query = f"UPDATE {self._safe_identifier(table)} SET {set_clause} WHERE {condition_clause}"
|
|
|
+ total = 0
|
|
|
+
|
|
|
+ # 分批次处理
|
|
|
+ for i in range(0, len(data_list), batch_size):
|
|
|
+ batch_data = data_list[i:i + batch_size]
|
|
|
+ batch_conds = condition_list[i:i + batch_size]
|
|
|
+ batch_args = []
|
|
|
+
|
|
|
+ # 检查当前批次的结构是否一致
|
|
|
+ can_batch = True
|
|
|
+ for data, cond in zip(batch_data, batch_conds):
|
|
|
+ data_keys = set(data.keys())
|
|
|
+ cond_keys = set(cond.keys())
|
|
|
+ if data_keys != first_data_keys or cond_keys != first_cond_keys:
|
|
|
+ can_batch = False
|
|
|
+ break
|
|
|
+ batch_args.append(tuple(data.values()) + tuple(cond.values()))
|
|
|
+
|
|
|
+ if not can_batch:
|
|
|
+ # 结构不一致，转为单条更新
|
|
|
+ for data, cond in zip(batch_data, batch_conds):
|
|
|
+ self.update_one_or_dict(table=table, data=data, condition=cond, commit=commit)
|
|
|
+ total += 1
|
|
|
+ continue
|
|
|
+
|
|
|
+ # 执行批量更新
|
|
|
+ try:
|
|
|
+ with self.pool.connection() as conn:
|
|
|
+ with conn.cursor() as cursor:
|
|
|
+ cursor.executemany(base_query, batch_args)
|
|
|
+ if commit:
|
|
|
+ conn.commit()
|
|
|
+ total += cursor.rowcount
|
|
|
+ self.log.debug(f"Batch update succeeded. Rows: {cursor.rowcount}")
|
|
|
+ except Exception as e:
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ self.log.error(f"Batch update failed: {e}")
|
|
|
+ # 降级为单条更新
|
|
|
+ for args, data, cond in zip(batch_args, batch_data, batch_conds):
|
|
|
+ try:
|
|
|
+ self._execute(base_query, args, commit=commit)
|
|
|
+ total += 1
|
|
|
+ except Exception as e2:
|
|
|
+ self.log.error(f"Single update failed: {e2}, Data: {data}, Condition: {cond}")
|
|
|
+ self.log.info(f"Total updated rows: {total}")
|
|
|
+ return total
|
|
|
+ elif query is not None:
|
|
|
+ # 处理原始SQL和参数列表
|
|
|
+ if args_list is None:
|
|
|
+ raise ValueError("args_list must be provided when using query")
|
|
|
+
|
|
|
+ total = 0
|
|
|
+ for i in range(0, len(args_list), batch_size):
|
|
|
+ batch_args = args_list[i:i + batch_size]
|
|
|
+ try:
|
|
|
+ with self.pool.connection() as conn:
|
|
|
+ with conn.cursor() as cursor:
|
|
|
+ cursor.executemany(query, batch_args)
|
|
|
+ if commit:
|
|
|
+ conn.commit()
|
|
|
+ total += cursor.rowcount
|
|
|
+ self.log.debug(f"Batch update succeeded. Rows: {cursor.rowcount}")
|
|
|
+ except Exception as e:
|
|
|
+ if commit:
|
|
|
+ conn.rollback()
|
|
|
+ self.log.error(f"Batch update failed: {e}")
|
|
|
+ # 降级为单条更新
|
|
|
+ for args in batch_args:
|
|
|
+ try:
|
|
|
+ self._execute(query, args, commit=commit)
|
|
|
+ total += 1
|
|
|
+ except Exception as e2:
|
|
|
+ self.log.error(f"Single update failed: {e2}, Args: {args}")
|
|
|
+ self.log.info(f"Total updated rows: {total}")
|
|
|
+ return total
|
|
|
+ else:
|
|
|
+ raise ValueError("Either data_list or query must be provided")
|
|
|
+
|
|
|
+ def check_pool_health(self):
|
|
|
+ """
|
|
|
+ 检查连接池中有效连接数
|
|
|
+
|
|
|
+ # 使用示例
|
|
|
+ # 配置 MySQL 连接池
|
|
|
+ sql_pool = MySQLConnectionPool(log=log)
|
|
|
+ if not sql_pool.check_pool_health():
|
|
|
+ log.error("数据库连接池异常")
|
|
|
+ raise RuntimeError("数据库连接池异常")
|
|
|
+ """
|
|
|
+ try:
|
|
|
+ with self.pool.connection() as conn:
|
|
|
+ conn.ping(reconnect=True)
|
|
|
+ return True
|
|
|
+ except Exception as e:
|
|
|
+ self.log.error(f"Connection pool health check failed: {e}")
|
|
|
+ return False
|
|
|
+
|
|
|
+ def close(self):
|
|
|
+ """
|
|
|
+ 关闭连接池，释放所有连接
|
|
|
+ """
|
|
|
+ try:
|
|
|
+ if hasattr(self, 'pool') and self.pool:
|
|
|
+ self.pool.close()
|
|
|
+ self.log.info("数据库连接池已关闭")
|
|
|
+ except Exception as e:
|
|
|
+ self.log.error(f"关闭连接池失败: {e}")
|
|
|
+
|
|
|
+ @staticmethod
|
|
|
+ def _safe_identifier(name):
|
|
|
+ """SQL标识符安全校验"""
|
|
|
+ if not re.match(r'^[a-zA-Z_][a-zA-Z0-9_]*$', name):
|
|
|
+ raise ValueError(f"Invalid SQL identifier: {name}")
|
|
|
+ return name
|
|
|
+
|
|
|
+
|
|
|
+if __name__ == '__main__':
|
|
|
+ sql_pool = MySQLConnectionPool()
|
|
|
+ data_dic = {'card_type_id': 111, 'card_type_name': '补充包 继承的意志【OPC-13】', 'card_type_position': 964,
|
|
|
+ 'card_id': 5284, 'card_name': '蒙奇·D·路飞', 'card_number': 'OP13-001', 'card_rarity': 'L',
|
|
|
+ 'card_img': 'https://source.windoent.com/OnePiecePc/Picture/1757929283612OP13-001.png',
|
|
|
+ 'card_life': '4', 'card_attribute': '打', 'card_power': '5000', 'card_attack': '-',
|
|
|
+ 'card_color': '红/绿', 'subscript': 4, 'card_features': '超新星/草帽一伙',
|
|
|
+ 'card_text_desc': '【咚!!×1】【对方的攻击时】我方处于活跃状态的咚!!不多于5张的场合，可以将我方任意张数的咚!!转为休息状态。每有1张转为休息状态的咚!!，本次战斗中，此领袖或我方最多1张拥有《草帽一伙》特征的角色力量+2000。',
|
|
|
+ 'card_offer_type': '补充包 继承的意志【OPC-13】', 'crawler_language': '简中'}
|
|
|
+ sql_pool.insert_one_or_dict(table="one_piece_record", data=data_dic)
|
