优化原始数据导入
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@@ -245,8 +245,8 @@ class OriginalDataService(BaseService[OriginalData]):
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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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批量导入原始数据到指定账号的分表 - 性能优化版
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使用批量插入替代逐条插入,大幅提升导入速度
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Args:
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db: 数据库会话
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@@ -318,7 +318,7 @@ class OriginalDataService(BaseService[OriginalData]):
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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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nyid = str(data[0].get('NYID')) # 统一转换为字符串
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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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@@ -334,42 +334,61 @@ class OriginalDataService(BaseService[OriginalData]):
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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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# ===== 性能优化:批量查询沉降数据 =====
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# 统一转换为字符串处理(数据库NYID字段是VARCHAR类型)
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nyid_list = list(set(str(item.get('NYID')) for item in data if item.get('NYID')))
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logger.info(f"Querying settlement data for nyid list: {nyid_list}")
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settlements = db.query(SettlementData).filter(SettlementData.NYID.in_(nyid_list)).all()
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logger.info(f"Found {len(settlements)} settlement records")
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settlement_map = {s.NYID: s for s in settlements}
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missing_nyids = set(nyid_list) - set(settlement_map.keys())
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# 构建插入SQL
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insert_sql = text(f"""
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if missing_nyids:
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db.rollback()
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return {
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'success': False,
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'message': f'以下期数在沉降表中不存在: {list(missing_nyids)}',
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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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# ===== 性能优化:使用批量插入 =====
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# 将数据分组,每组1000条(MySQL默认支持)
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batch_size = 1000
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for i in range(0, len(data), batch_size):
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batch_data = data[i:i + batch_size]
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# 构建批量参数
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values_list = []
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params = {}
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for idx, item_data in enumerate(batch_data):
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values_list.append(
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f"(:account_id_{idx}, :bfpcode_{idx}, :mtime_{idx}, :bffb_{idx}, "
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f":bfpl_{idx}, :bfpvalue_{idx}, :NYID_{idx}, :sort_{idx})"
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)
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params.update({
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f"account_id_{idx}": account_id,
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f"bfpcode_{idx}": item_data.get('bfpcode'),
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f"mtime_{idx}": item_data.get('mtime'),
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f"bffb_{idx}": item_data.get('bffb'),
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f"bfpl_{idx}": item_data.get('bfpl'),
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f"bfpvalue_{idx}": item_data.get('bfpvalue'),
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f"NYID_{idx}": item_data.get('NYID'),
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f"sort_{idx}": item_data.get('sort')
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})
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# 批量插入SQL - 使用字符串拼接(修复TextClause拼接问题)
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insert_sql = 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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VALUES {", ".join(values_list)}
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"""
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final_sql = text(insert_sql)
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db.execute(final_sql, params)
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success_count += len(batch_data)
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logger.info(f"Inserted batch {i//batch_size + 1}: {len(batch_data)} records")
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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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