SQL Server 数据库 ALTER EXTERNAL FILE FORMAT 修改外部文件格式语法

SQL Server 数据库阿木 发布于 2025-07-10 17 次阅读

摘要：

本文将深入探讨SQL Server数据库中ALTER EXTERNAL FILE FORMAT语法的使用，包括其基本概念、语法结构、应用场景以及在实际操作中的注意事项。通过详细的代码示例和解释，帮助读者更好地理解和应用这一功能。

一、

随着大数据时代的到来，数据量呈爆炸式增长，传统的数据库存储方式已无法满足需求。为了解决这一问题，SQL Server引入了外部文件格式（External File Format），允许用户将数据存储在文件系统中，并通过SQL Server进行访问和管理。ALTER EXTERNAL FILE FORMAT语法是用于修改外部文件格式属性的关键命令，本文将围绕这一主题展开讨论。

二、外部文件格式概述

外部文件格式是SQL Server中用于存储数据的文件格式，它允许用户将数据存储在文件系统中，并通过SQL Server进行访问。外部文件格式支持多种数据类型，如文本、CSV、XML等，可以与SQL Server中的表进行关联，实现数据的导入、导出和查询。

三、ALTER EXTERNAL FILE FORMAT语法解析

ALTER EXTERNAL FILE FORMAT语法用于修改外部文件格式的属性，包括名称、文件类型、字符集等。以下是ALTER EXTERNAL FILE FORMAT语法的详细解析：

1. 语法结构

```sql

ALTER EXTERNAL FILE FORMAT [schema_name.]file_format_name

SET

[FILE_TYPE = 'file_type']

[CHARSET = 'charset']

[FORMAT = 'format']

[WRITE_FLAG = 'write_flag']

[VALIDATE = 'validate']

[BATCH_SIZE = batch_size]

[MAX_BATCH_ROWS = max_batch_rows]

[MAX_BATCH_ROWS_PER_FILE = max_batch_rows_per_file]

[MAX_BATCH_SIZE = max_batch_size]

[MAX_BATCH_SIZE_PER_FILE = max_batch_size_per_file]

[MAX_FILE_SIZE = max_file_size]

[MAX_FILE_SIZE_PER_FILE = max_file_size_per_file]

[MAX_FILE_COUNT = max_file_count]

[MAX_FILE_COUNT_PER_FILE = max_file_count_per_file]

[MAX_FILE_COUNT_PER_BATCH = max_file_count_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE = max_file_count_per_batch_per_file]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH = max_file_count_per_batch_per_file_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE = max_file_count_per_batch_per_file_per_batch_per_file]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch_per_batch]

[MAX_FILE_COUNT_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_FILE_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH_PER_BATCH = max_file_count_per_batch_per_file_per_batch_per_file_per_batch_per_file_per_batch_per_batch_per_batch