392 lines
15 KiB
Python
392 lines
15 KiB
Python
from sqlalchemy.orm import Session
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from sqlalchemy import text, inspect
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from typing import List, Optional, Dict, Any
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from ..models.original_data import OriginalData, get_original_data_model, get_table_name
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from .base import BaseService
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from ..models.settlement_data import SettlementData
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from ..models.account import Account
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from ..core.database import engine
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import logging
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logger = logging.getLogger(__name__)
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class OriginalDataService(BaseService[OriginalData]):
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def __init__(self):
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super().__init__(OriginalData)
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def _get_table_name(self, account_id: int) -> str:
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"""获取原始数据表名"""
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return get_table_name(account_id)
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def _ensure_table_exists(self, db: Session, account_id: int) -> bool:
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"""
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确保指定账号的原始数据表存在,不存在则创建
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Args:
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db: 数据库会话
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account_id: 账号ID
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Returns:
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bool: 表是否存在或创建成功
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"""
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table_name = self._get_table_name(account_id)
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inspector = inspect(engine)
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# 检查表是否存在
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if table_name in inspector.get_table_names():
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logger.info(f"Table {table_name} already exists")
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return True
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# 表不存在,创建表
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try:
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create_table_sql = f"""
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CREATE TABLE `{table_name}` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`account_id` INT NOT NULL COMMENT '账号ID',
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`bfpcode` VARCHAR(1000) NOT NULL COMMENT '前（后）视点名称',
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`mtime` DATETIME NOT NULL COMMENT '测点观测时间',
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`bffb` VARCHAR(1000) NOT NULL COMMENT '前（后）视标记符',
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`bfpl` VARCHAR(1000) NOT NULL COMMENT '前（后）视距离(m)',
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`bfpvalue` VARCHAR(1000) NOT NULL COMMENT '前（后）视尺读数(m)',
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`NYID` VARCHAR(100) NOT NULL COMMENT '期数id',
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`sort` INT COMMENT '序号',
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INDEX `idx_nyid` (`NYID`),
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INDEX `idx_account_id` (`account_id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='原始数据表_账号{account_id}'
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"""
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db.execute(text(create_table_sql))
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db.commit()
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logger.info(f"Table {table_name} created successfully")
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return True
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except Exception as e:
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db.rollback()
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logger.error(f"Failed to create table {table_name}: {str(e)}")
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raise Exception(f"创建原始数据表失败: {str(e)}")
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def create_table_for_account(self, db: Session, account_id: int) -> Dict[str, Any]:
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"""
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为指定账号创建原始数据表
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Args:
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db: 数据库会话
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account_id: 账号ID
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Returns:
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操作结果
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"""
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try:
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# 验证账号是否存在
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account = db.query(Account).filter(Account.id == account_id).first()
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if not account:
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return {
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'success': False,
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'message': f'账号ID {account_id} 不存在'
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}
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# 创建表
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self._ensure_table_exists(db, account_id)
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return {
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'success': True,
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'message': f'原始数据表 {self._get_table_name(account_id)} 创建成功'
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}
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except Exception as e:
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logger.error(f"Failed to create table for account {account_id}: {str(e)}")
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return {
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'success': False,
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'message': f'创建原始数据表失败: {str(e)}'
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}
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def get_by_nyid(self, db: Session, account_id: int, nyid: str) -> List[OriginalData]:
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"""
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根据期数ID获取原始数据
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Args:
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db: 数据库会话
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account_id: 账号ID
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nyid: 期数ID
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Returns:
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原始数据列表
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"""
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try:
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table_name = self._get_table_name(account_id)
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# 使用原生SQL查询
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query = text(f"SELECT * FROM `{table_name}` WHERE NYID = :nyid")
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result = db.execute(query, {"nyid": nyid})
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return result.fetchall()
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except Exception as e:
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logger.error(f"Failed to query data from {self._get_table_name(account_id)}: {str(e)}")
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return []
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def get_by_bfpcode(self, db: Session, account_id: int, bfpcode: str) -> List[OriginalData]:
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"""
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根据前（后）视点名称获取原始数据
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Args:
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db: 数据库会话
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account_id: 账号ID
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bfpcode: 前（后）视点名称
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Returns:
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原始数据列表
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"""
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try:
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table_name = self._get_table_name(account_id)
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query = text(f"SELECT * FROM `{table_name}` WHERE bfpcode = :bfpcode")
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result = db.execute(query, {"bfpcode": bfpcode})
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return result.fetchall()
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except Exception as e:
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logger.error(f"Failed to query data from {self._get_table_name(account_id)}: {str(e)}")
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return []
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def get_all_original_data_tables(self, db: Session) -> List[str]:
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"""
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获取所有原始数据分表的表名
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Args:
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db: 数据库会话
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Returns:
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原始数据表名列表
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"""
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try:
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inspector = inspect(engine)
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all_tables = inspector.get_table_names()
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# 筛选出所有原始数据分表
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original_tables = [table for table in all_tables if table.startswith('original_data_')]
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logger.info(f"Found {len(original_tables)} original data tables: {original_tables}")
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return original_tables
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except Exception as e:
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logger.error(f"Failed to get original data tables: {str(e)}")
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return []
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def search_original_data(self, db: Session,
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account_id: Optional[int] = None,
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id: Optional[int] = None,
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bfpcode: Optional[str] = None,
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bffb: Optional[str] = None,
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nyid: Optional[str] = None,
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bfpl: Optional[str] = None) -> List[Any]:
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"""
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根据多个条件搜索原始数据
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如果未提供account_id，则遍历所有分表查询
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Args:
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db: 数据库会话
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account_id: 账号ID，可选。不填则查询所有分表
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其他查询条件...
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Returns:
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原始数据列表
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"""
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try:
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# 构建查询条件
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conditions = []
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params = {}
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if id is not None:
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conditions.append("id = :id")
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params["id"] = id
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if bfpcode is not None:
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conditions.append("bfpcode = :bfpcode")
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params["bfpcode"] = bfpcode
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if bffb is not None:
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conditions.append("bffb = :bffb")
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params["bffb"] = bffb
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if nyid is not None:
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conditions.append("NYID = :nyid")
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params["nyid"] = nyid
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if bfpl is not None:
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conditions.append("bfpl = :bfpl")
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params["bfpl"] = bfpl
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where_clause = " AND ".join(conditions) if conditions else "1=1"
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# 如果指定了account_id，只查询该账号的分表
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if account_id is not None:
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table_name = self._get_table_name(account_id)
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query = text(f"SELECT * FROM `{table_name}` WHERE {where_clause}")
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result = db.execute(query, params)
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return result.fetchall()
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# 未指定account_id，遍历所有分表
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all_results = []
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tables = self.get_all_original_data_tables(db)
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for table_name in tables:
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try:
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query = text(f"SELECT * FROM `{table_name}` WHERE {where_clause}")
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result = db.execute(query, params)
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rows = result.fetchall()
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all_results.extend(rows)
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logger.info(f"Found {len(rows)} records in table {table_name}")
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except Exception as e:
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logger.warning(f"Failed to query table {table_name}: {str(e)}")
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continue
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logger.info(f"Total found {len(all_results)} records from {len(tables)} tables")
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return all_results
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except Exception as e:
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logger.error(f"Failed to search original data: {str(e)}")
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return []
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def _check_settlement_exists(self, db: Session, nyid: str) -> bool:
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"""检查期数id沉降数据是否存在"""
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settlement = db.query(SettlementData).filter(SettlementData.NYID == nyid).first()
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return settlement is not None
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def batch_import_original_data(self, db: Session, data: List) -> Dict[str, Any]:
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"""
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批量导入原始数据到指定账号的分表,直接新增,无需检查重复
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支持事务回滚,失败时重试一次
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Args:
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db: 数据库会话
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data: 数据列表,每条数据必须包含account_id字段
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Returns:
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操作结果
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"""
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logger = logging.getLogger(__name__)
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total_count = len(data)
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success_count = 0
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failed_count = 0
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failed_items = []
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if total_count == 0:
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return {
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'success': False,
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'message': '导入数据不能为空',
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'total_count': 0,
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'success_count': 0,
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'failed_count': 0,
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'failed_items': []
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}
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# 获取第一条数据的account_id
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account_id = data[0].get('account_id')
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if not account_id:
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return {
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'success': False,
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'message': '数据中缺少account_id字段',
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'total_count': total_count,
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'success_count': 0,
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'failed_count': total_count,
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'failed_items': []
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}
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# 验证账号是否存在
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account = db.query(Account).filter(Account.id == account_id).first()
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if not account:
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return {
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'success': False,
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'message': f'账号ID {account_id} 不存在',
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'total_count': total_count,
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'success_count': 0,
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'failed_count': total_count,
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'failed_items': []
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}
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# 确保表存在
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try:
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self._ensure_table_exists(db, account_id)
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except Exception as e:
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return {
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'success': False,
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'message': f'创建原始数据表失败: {str(e)}',
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'total_count': total_count,
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'success_count': 0,
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'failed_count': total_count,
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'failed_items': []
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}
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table_name = self._get_table_name(account_id)
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for attempt in range(2): # 最多重试1次
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try:
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db.begin()
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success_count = 0
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failed_count = 0
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failed_items = []
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nyid = data[0].get('NYID')
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# 检查该期数数据是否已存在
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check_query = text(f"SELECT COUNT(*) as cnt FROM `{table_name}` WHERE NYID = :nyid")
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is_exists = db.execute(check_query, {"nyid": nyid}).fetchone()[0]
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if is_exists > 0:
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db.rollback()
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return {
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'success': True,
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'message': '数据已存在',
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'total_count': 0,
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'success_count': success_count,
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'failed_count': failed_count,
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'failed_items': failed_items
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}
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for item_data in data:
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try:
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# 判断期数id是否存在
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settlement = self._check_settlement_exists(db, item_data.get('NYID'))
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if not settlement:
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logger.error(f"Settlement {item_data.get('NYID')} not found")
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raise Exception(f"Settlement {item_data.get('NYID')} not found")
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# 构建插入SQL
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insert_sql = text(f"""
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INSERT INTO `{table_name}`
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(account_id, bfpcode, mtime, bffb, bfpl, bfpvalue, NYID, sort)
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VALUES
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(:account_id, :bfpcode, :mtime, :bffb, :bfpl, :bfpvalue, :NYID, :sort)
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""")
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db.execute(insert_sql, {
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"account_id": account_id,
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"bfpcode": item_data.get('bfpcode'),
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"mtime": item_data.get('mtime'),
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"bffb": item_data.get('bffb'),
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"bfpl": item_data.get('bfpl'),
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"bfpvalue": item_data.get('bfpvalue'),
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"NYID": item_data.get('NYID'),
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"sort": item_data.get('sort')
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})
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logger.info(f"Created original data: {item_data.get('bfpcode')}-{item_data.get('NYID')} in table {table_name}")
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success_count += 1
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except Exception as e:
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failed_count += 1
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failed_items.append({
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'data': item_data,
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'error': str(e)
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})
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logger.error(f"Failed to process original data {item_data.get('bfpcode')}-{item_data.get('NYID')}: {str(e)}")
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raise e
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db.commit()
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logger.info(f"Batch import original data completed. Success: {success_count}, Failed: {failed_count}")
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break
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except Exception as e:
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db.rollback()
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logger.warning(f"Batch import attempt {attempt + 1} failed: {str(e)}")
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if attempt == 1: # 最后一次重试失败
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logger.error("Batch import original data failed after retries")
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return {
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'success': False,
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'message': f'批量导入失败: {str(e)}',
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'total_count': total_count,
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'success_count': 0,
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'failed_count': total_count,
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'failed_items': failed_items
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}
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return {
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'success': failed_count == 0,
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'message': '批量导入完成' if failed_count == 0 else f'部分导入失败',
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'total_count': total_count,
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'success_count': success_count,
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'failed_count': failed_count,
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'failed_items': failed_items
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} |