Eternal Night

Monthly Archive: June 2022

在执行数据库迁移时，报错：SQLSTATE[42000]: Syntax error or access violation: 1059 Identifier name 'theme_installation_version_preset_theme_store_theme_version_id_index' is too long 0

Laravel Database Migrations / Web Application Development / Database / Web Framework / MySQL / Laravel / MySQL 5.7 / Laravel 6

In database migration in Laravel 6, SQLState[42000]: Syntax Error or Access Violation: 1059 Identifier nametheme_installation_version_preset_theme_store_theme_version_id_indexis too long

浏览量： 17 1. When performing database migration, an error is reported: sqlstate[42000]: Syntax Error or Access Violation: 1059 Identifier nametheme_installation_version_preset_theme_store_theme_version_id_indexis too long. as shown in Figure 1 The index length limit of MySQL 5.7...

在 Laravel 6 的数据库迁移中，添加外键约束时，Illuminate\Database\QueryException : SQLSTATE[HY000]: General error: 1215 Cannot add foreign key constraint 0

Laravel 6 / Laravel Database Migrations / Web Application Development / Web Framework / Laravel

In Laravel 6’s database migration, when adding a foreign key constraint, Illuminate\Database\QueryException : SQLState[HY000]: General error: 1215 Cannot add foreign key constraint

浏览量： 16 1. In Laravel 6’s database migration, when adding a foreign key constraint, Illuminate\Database\QueryException : SQLState[HY000]: General error: 1215 Cannot add foreign key constraint. as shown in Figure 1 2. The code is...

参考：https://www.php.net/manual/zh/ziparchive.extractto.php 。ZipArchive::extractTo。将压缩文件解压缩到指定的目录 0

PHP / PHP 7.4 / Programming Language

Extract zip files in PHP 7.4

浏览量： 19 1. Reference:https://www.php.net/manual/zh/ziparchive.extractto.php. ZipArchive::ExtractTo. Extract the compressed file to the specified directory. as shown in Figure 1 2. The final reference implementation is as follows 3. The decompressed directory structure is the same...