警告: 已创建表 'W_Product',但其最大行大小(12116)超过了每行的最大字节数(8060)。...

本文解释了在SQL中创建表时遇到的最大行大小超过每行最大字节数8060的问题,包括如何理解该警告信息及避免方法。

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警告: 已创建表 'W_Product',但其最大行大小(12116)超过了每行的最大字节数(8060)。如果结果行长度超过 8060 字节,则此表中行的 INSERT 或 UPDATE 将

今天在查询分析器里面执行了一个增加字段的sql语句,结果有这个提示,但是表创建成功,并且插入数据没有问题,那么,这个错误信息到底意味着什么呢?查了一下帮助,得到以下解答:

该错误信息表明表中具有可变长度列(如 nvarchar 或 varbinary),并且所有列的总最大长度之和大于 8,060 字节。如果每一行中数据的总长度不超过 8,060 字节,就仍可以向表中插入行。但是,如果数据超过 8,060 字节,则插入失败,返回以下错误信息:

避免这种错误警告的方法就是,当字段内容有可能很多的时候,建议使用 text 字段类型。

转载于:https://www.cnblogs.com/n666/archive/2010/10/09/2190884.html

#!/usr/bin/env python -- coding: utf-8 -- import os import re import sys import argparse import xlwt from collections import defaultdict 分区名称映射(前缀 → 友好名称) PARTITION_NAME_MAP = { ‘02_’: ‘system’, ‘03_’: ‘vendor’, ‘04_’: ‘product’, ‘05_’: ‘odm’, ‘06_’: ‘my_product’, ‘07_’: ‘my_engineering’, ‘08_’: ‘my_stock’, ‘09_’: ‘my_heytap’, ‘10_’: ‘my_company’, ‘11_’: ‘my_carrier’, ‘12_’: ‘my_region’, ‘13_’: ‘my_preload’, ‘14_’: ‘data’, ‘15_’: ‘my_bigball’, ‘16_’: ‘my_manifest’, ‘17_system_dlkm’: ‘system_dlkm’, ‘17_vendor_dlkm’: ‘vendor_dlkm’, ‘17_cache’: ‘cache’ } def parse_du_file(file_path): “”“解析du命令输出文件并转换为MB”“” data = {} try: with open(file_path, ‘r’) as f: for line in f: if ‘Permission denied’ in line or ‘No such file’ in line or not line.strip(): continue match = re.match(r'(\d+\.?\d*)\s*([KMG]?)[Bb]?\s+(.*)', line.strip()) if match: size, unit, path = match.groups() size = float(size) # 单位转换到MB if unit == 'K': size = size / 1024.0 elif unit == '': size = size / (1024*1024.0) elif unit == 'M': pass elif unit == 'G': size = size * 1024.0 data[path] = round(size, 4) except IOError as e: print("警告: 无法读取文件 {}: {}".format(file_path, str(e))) return data def extract_file_prefix(filename): “”“提取文件前缀”“” if filename.startswith(‘17_’): return filename.replace(.txt’, ‘’) match = re.match(r’^(\d+)', filename) return match.group(1) if match else "other" def is_main_partition_file(filename, prefix): “”“检查是否为主分区文件”“” if prefix.startswith(‘17_’): return True expected_name = prefix + PARTITION_NAME_MAP[prefix] + “.txt” return filename == expected_name def generate_dual_report(folder1, folder2, output_xlsx): “”“生成双机对比报告”“” folder1_name = os.path.basename(os.path.normpath(folder1)) folder2_name = os.path.basename(os.path.normpath(folder2)) for folder in [folder1, folder2]: if not os.path.exists(folder): print("错误: 目录不存在 - {}".format(folder)) return "目录 {} 不存在,请检查路径".format(folder) if not os.path.isdir(folder): print("错误: 路径不是目录 - {}".format(folder)) return "{} 不是有效目录".format(folder) # 初始化数据结构 machine1_main_data = {} machine2_main_data = {} machine1_all_files = defaultdict(dict) machine2_all_files = defaultdict(dict) # 收集数据 for folder_path, main_dict, all_dict in [ (folder1, machine1_main_data, machine1_all_files), (folder2, machine2_main_data, machine2_all_files) ]: print("处理目录: {}".format(folder_path)) try: for filename in os.listdir(folder_path): if not filename.endswith('.txt'): continue prefix = extract_file_prefix(filename) if prefix == '01_' or prefix not in PARTITION_NAME_MAP: continue file_path = os.path.join(folder_path, filename) partition_name = PARTITION_NAME_MAP[prefix] file_data = parse_du_file(file_path) all_dict[filename] = file_data if is_main_partition_file(filename, prefix): print("解析主分区文件: {}".format(file_path)) main_dict[prefix] = file_data except OSError as e: print("目录访问错误: {}".format(str(e))) return "无法访问目录 {}: {}".format(folder_path, str(e)) # 创建Excel工作簿 try: wb = xlwt.Workbook(encoding='utf-8') # ====== 修复:正确定义所有样式变量 ====== header_style = xlwt.easyxf('font: bold on') title_style = xlwt.easyxf('font: bold on, height 280; align: wrap on, vert centre') normal_style = xlwt.easyxf() added_style = xlwt.easyxf('pattern: pattern solid, fore_colour light_green;') removed_style = xlwt.easyxf('pattern: pattern solid, fore_colour rose;') summary_style = xlwt.easyxf('font: bold on, color blue;') wrap_style = xlwt.easyxf('align: wrap on, vert centre') # 修复:正确定义wrap_style # ====== 创建总览Sheet页 ====== ws_overview = wb.add_sheet('总览') print("创建总览Sheet页(仅主文件数据)") current_row = 0 # 写入总览标题 ws_overview.write_merge( current_row, current_row, 0, 5, "存储使用总览(仅主分区文件)", title_style ) current_row += 1 # 写入文件夹名称 ws_overview.write(current_row, 1, folder1_name, header_style) ws_overview.write(current_row, 2, folder2_name, header_style) current_row += 1 # 写入头(增加备注列) headers = ['分区', '总大小(MB)', '总大小(MB)', '差值(MB)', '标记', '备注(增大TOP3)'] for col, header in enumerate(headers): ws_overview.write(current_row, col, header, header_style) current_row += 1 # 存储各分区汇总数据 overview_data = [] total_machine1 = 0.0 total_machine2 = 0.0 # 按分区顺序处理数据 for prefix in sorted(PARTITION_NAME_MAP.keys()): partition_name = PARTITION_NAME_MAP[prefix] # 跳过data分区 if partition_name == 'data': continue # 获取主文件数据 data1 = machine1_main_data.get(prefix, {}) data2 = machine2_main_data.get(prefix, {}) # 计算主文件总大小 partition_total1 = round(sum(data1.values()), 2) partition_total2 = round(sum(data2.values()), 2) diff = partition_total1 - partition_total2 # 更新总计 total_machine1 += partition_total1 total_machine2 += partition_total2 # 确定标记样式 if diff > 0: mark = "增加" style = added_style elif diff < 0: mark = "减少" style = removed_style else: mark = "无变化" style = normal_style # 计算分区中增大的TOP3路径 top_notes = [] if diff > 0: # 只在分区增大时计算TOP路径 path_diffs = [] all_paths = set(data1.keys()) | set(data2.keys()) for path in all_paths: size1 = data1.get(path, 0.0) size2 = data2.get(path, 0.0) path_diff = size1 - size2 if path_diff > 0: # 只记录增大的路径 path_diffs.append((path, path_diff)) # 按增大值降序排序,取TOP3 path_diffs.sort(key=lambda x: x[1], reverse=True) for i, (path, diff_val) in enumerate(path_diffs[:3]): # 截断过长的路径名 if len(path) > 50: path = "..." + path[-47:] top_notes.append("{}. {}: +{:.2f}MB".format(i+1, path, diff_val)) # 保存分区数据 overview_data.append({ 'name': partition_name, 'machine1': partition_total1, 'machine2': partition_total2, 'diff': diff, 'style': style, 'mark': mark, 'notes': "\n".join(top_notes) if top_notes else "无显著增大路径" }) # 写入数据到总览页(增加备注列) ws_overview.write(current_row, 0, partition_name, style) ws_overview.write(current_row, 1, partition_total1, style) ws_overview.write(current_row, 2, partition_total2, style) ws_overview.write(current_row, 3, diff, style) ws_overview.write(current_row, 4, mark, style) ws_overview.write(current_row, 5, overview_data[-1]['notes'], wrap_style) # 使用已定义的wrap_style current_row += 1 # 添加空 current_row += 1 # 写入总计 total_diff = total_machine1 - total_machine2 if total_diff > 0: total_mark = "总增加" total_style = added_style elif total_diff < 0: total_mark = "总减少" total_style = removed_style else: total_mark = "无变化" total_style = normal_style ws_overview.write(current_row, 0, "总计", header_style) ws_overview.write(current_row, 1, total_machine1, header_style) ws_overview.write(current_row, 2, total_machine2, header_style) ws_overview.write(current_row, 3, total_diff, header_style) ws_overview.write(current_row, 4, total_mark, header_style) ws_overview.write(current_row, 5, "", header_style) # 备注列留空 # 设置备注列宽度(100字符) ws_overview.col(5).width = 256 * 100 # ====== 为每个文件创建单独的Sheet页(保持不变) ====== # 获取所有唯一的文件名(两个文件夹的并集) all_filenames = sorted(set(machine1_all_files.keys()) | set(machine2_all_files.keys())) for filename in all_filenames: # 提取文件前缀 prefix = extract_file_prefix(filename) # 跳过无效前缀 if prefix not in PARTITION_NAME_MAP: continue # 获取分区名称 partition_name = PARTITION_NAME_MAP[prefix] # 创建Sheet页名称(文件名不带扩展名) sheet_name = filename.replace('.txt', '') if len(sheet_name) > 31: # Excel sheet名称长度限制 sheet_name = sheet_name[:31] # 创建Sheet页 ws = wb.add_sheet(sheet_name) print("创建文件Sheet页: {}".format(sheet_name)) # 当前指针 current_row = 0 # 写入分区标题 title = "分区: {} - 文件: {}".format(partition_name, filename) ws.write_merge( current_row, current_row, 0, 5, title, title_style ) current_row += 1 # 写入文件夹名称 ws.write_merge(current_row, current_row, 0, 1, folder1_name, header_style) ws.write_merge(current_row, current_row, 2, 3, folder2_name, header_style) ws.write(current_row, 4, "差异(M)", header_style) ws.write(current_row, 5, "标记", header_style) current_row += 1 # 写入头 headers = ['路径', '大小(M)', '路径', '大小(M)', '差异(M)', '标记'] for col, header in enumerate(headers): ws.write(current_row, col, header, header_style) current_row += 1 # 获取文件数据 data1 = machine1_all_files.get(filename, {}) data2 = machine2_all_files.get(filename, {}) # 获取所有路径(合并两个文件夹的路径) all_paths = sorted(set(data1.keys()) | set(data2.keys())) # 初始化变化统计数据 total_increase = 0.0 # 增大总和 total_decrease = 0.0 # 减小总和 total_added = 0.0 # 新增文件总和 total_removed = 0.0 # 去除文件总和 # 写入数据 for path in all_paths: size1 = data1.get(path, 0.0) size2 = data2.get(path, 0.0) # 计算差值 diff = size1 - size2 # 确定标记和样式 if size1 == 0 and size2 > 0: mark = "除去" cell_style = removed_style total_removed += size2 elif size1 > 0 and size2 == 0: mark = "新增" cell_style = added_style total_added += size1 else: if diff > 0: mark = "增大" cell_style = added_style total_increase += diff elif diff < 0: mark = "减小" cell_style = removed_style total_decrease += abs(diff) else: mark = "相同" cell_style = normal_style # 写入数据 # folder1列 if size1 > 0: ws.write(current_row, 0, path, cell_style) ws.write(current_row, 1, size1, cell_style) else: ws.write(current_row, 0, "", cell_style) ws.write(current_row, 1, "", cell_style) # folder2列 if size2 > 0: ws.write(current_row, 2, path, cell_style) ws.write(current_row, 3, size2, cell_style) else: ws.write(current_row, 2, "", cell_style) ws.write(current_row, 3, "", cell_style) # 差异和标记列 ws.write(current_row, 4, diff, cell_style) ws.write(current_row, 5, mark, cell_style) current_row += 1 # 添加文件汇总 file_total1 = sum(data1.values()) file_total2 = sum(data2.values()) file_diff = file_total1 - file_total2 # 写入汇总 ws.write(current_row, 0, "文件汇总", header_style) ws.write(current_row, 1, file_total1, header_style) ws.write(current_row, 2, "", header_style) ws.write(current_row, 3, file_total2, header_style) ws.write(current_row, 4, file_diff, header_style) ws.write(current_row, 5, "", header_style) current_row += 1 # 添加变化分类统计 message = ( u"{partition_name}路径下: " u"减小{total_decrease:.2f}M " u"增大{total_increase:.2f}M " u"新增文件{total_added:.2f}M " u"减少文件{total_removed:.2f}M" ).format( partition_name=partition_name, total_decrease=total_decrease, total_increase=total_increase, total_added=total_added, total_removed=total_removed ) ws.write_merge( current_row, current_row, 0, 5, message, summary_style ) # 保存文件 wb.save(output_xlsx) return "对比报告已成功生成: {}".format(output_xlsx) except Exception as e: import traceback traceback.print_exc() return "生成Excel文件时出错: {}".format(str(e)) 单机拆解模式保持不变 def generate_single_report(folder, output_xlsx): “”“单机拆解模式(保持不变)”“” # …(原有单机拆解模式实现)… if name == “main”: # 创建参数解析器 parser = argparse.ArgumentParser(description=‘存储空间分析工具’) subparsers = parser.add_subparsers(dest=‘mode’, help=‘运模式’) # 双机对比模式 dual_parser = subparsers.add_parser('dual', help='双机对比模式') dual_parser.add_argument('folder1', help='第一个文件夹路径') dual_parser.add_argument('folder2', help='第二个文件夹路径') dual_parser.add_argument('output', help='输出Excel文件路径') # 单机拆解模式 single_parser = subparsers.add_parser('single', help='单机拆解模式') single_parser.add_argument('folder', help='待分析文件夹路径') single_parser.add_argument('output', help='输出Excel文件路径') # 解析参数 args = parser.parse_args() if args.mode == 'dual': print("运双机对比模式...") result = generate_dual_report(args.folder1, args.folder2, args.output) elif args.mode == 'single': print("运单机拆解模式...") result = generate_single_report(args.folder, args.output) else: result = "错误:请选择 'dual' 或 'single' 模式" print(result)基于这个脚本修改总览页输出根据18_lpdump.txt文件生成总大小,差值和标记列 备注的to3差异大小改为大于5M的差异都列出Slot 0: Metadata version: 10.2 Metadata size: 2640 bytes Metadata max size: 65536 bytes Metadata slot count: 3 Header flags: virtual_ab_device Partition table: Name: system_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 1527575 linear super 2048 Name: system_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: system_ext_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 2482807 linear super 1529856 Name: system_ext_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: vendor_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 715543 linear super 4014080 Name: vendor_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: product_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 16159 linear super 4730880 Name: product_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_product_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 4165551 linear super 4747264 Name: my_product_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: odm_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 2075367 linear super 8912896 Name: odm_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_engineering_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 655 linear super 10989568 Name: my_engineering_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: vendor_dlkm_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 164735 linear super 10991616 Name: vendor_dlkm_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: system_dlkm_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 839 linear super 11157504 Name: system_dlkm_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_stock_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 4617279 linear super 11159552 Name: my_stock_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_heytap_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 655 linear super 15777792 Name: my_heytap_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_carrier_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 655 linear super 15779840 Name: my_carrier_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_region_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 168575 linear super 15781888 Name: my_region_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_company_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 655 linear super 15951872 Name: my_company_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_preload_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 3191663 linear super 15953920 Name: my_preload_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_bigball_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 655 linear super 19146752 Name: my_bigball_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Name: my_manifest_a Group: qti_dynamic_partitions_a Attributes: readonly Extents: 0 … 911 linear super 19148800 Name: my_manifest_b Group: qti_dynamic_partitions_b Attributes: readonly Extents: Super partition layout: super: 2048 … 1529624: system_a (1527576 sectors) super: 1529856 … 4012664: system_ext_a (2482808 sectors) super: 4014080 … 4729624: vendor_a (715544 sectors) super: 4730880 … 4747040: product_a (16160 sectors) super: 4747264 … 8912816: my_product_a (4165552 sectors) super: 8912896 … 10988264: odm_a (2075368 sectors) super: 10989568 … 10990224: my_engineering_a (656 sectors) super: 10991616 … 11156352: vendor_dlkm_a (164736 sectors) super: 11157504 … 11158344: system_dlkm_a (840 sectors) super: 11159552 … 15776832: my_stock_a (4617280 sectors) super: 15777792 … 15778448: my_heytap_a (656 sectors) super: 15779840 … 15780496: my_carrier_a (656 sectors) super: 15781888 … 15950464: my_region_a (168576 sectors) super: 15951872 … 15952528: my_company_a (656 sectors) super: 15953920 … 19145584: my_preload_a (3191664 sectors) super: 19146752 … 19147408: my_bigball_a (656 sectors) super: 19148800 … 19149712: my_manifest_a (912 sectors) Block device table: Partition name: super First sector: 2048 Size: 12348030976 bytes Flags: none Group table: Name: default Maximum size: 0 bytes Flags: none Name: qti_dynamic_partitions_a Maximum size: 12343836672 bytes Flags: none Name: qti_dynamic_partitions_b Maximum size: 12343836672 bytes Flags: none Snapshot state: Update state: none Using snapuserd: 0 Using userspace snapshots: 0 Using io_uring: 0 Using o_direct: 0 Using XOR compression: 1 Current slot: _a Boot indicator: booting from unknown slot Rollback indicator: No such file or directory Forward merge indicator: No such file or directory Source build fingerprint:
08-05
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