le_id', 'integer', [ 'autoIncrement' => true, 'default' => null, 'limit' => 11, 'null' => false, ]); $table->addColumn('tag_id', 'integer', [ 'autoIncrement' => true, 'default' => auto-increment only to integer primary keys named “id” instead of all integer primary keys. Setting ‘autoIncrement’ to false always disables on all supported drivers. Http Added support for PSR-17 [https://www le_id', 'integer', [ 'autoIncrement' => true, 'default' => null, 'limit' => 11, 'null' => false, ]); $table->addColumn('tag_id', 'integer', [ 'autoIncrement' => true, 'default' =>

$table->addColumn('article_id', 'integer', [ 'autoIncrement' => true, 'default' => null, 'limit' => 11, 'null' => false, ]); $table->addColumn('tag_id', 'integer', [ 'autoIncrement' => true, 'default' => null, 'limit' auto-increment only to integer primary keys named “id” instead of all integer primary keys. Setting ‘autoIncrement’ to false always disables on all supported drivers. 34 https://www.php.net/manual/en/functions $table->addColumn('article_id', 'integer', [ 'autoIncrement' => true, 'default' => null, 'limit' => 11, 'null' => false, ]); $table->addColumn('tag_id', 'integer', [ 'autoIncrement' => true, 'default' => null, 'limit'

t h t h e f ol l ow i n g s c h e m a: CREATE TABLE User ( id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, username VARCHAR(128) NOT NULL, password VARCHAR(128) NOT NULL, email VARCHAR(128) NOT NULL ); Not e : I f y ou ar e u s i n g M y S Q L d at ab as e , y ou s h ou l d r e p l ac e AUTOINCREMENT w i t h AUTO INCREMENT i n t h e ab ov e S Q L. 10 1 . G e t t i n g S t a r t e d F or s i m d r e p l ac e AUTOINCREMENT w i t h AUTO INCREMENT i n t h e f ol l ow i n g S Q L. CREATE TABLE Post ( 4. 3 A c t i v e R e c or d 59 id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, title VARCHAR(128)

t h t h e f ol l ow i n g s c h e m a: CREATE TABLE User ( id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, username VARCHAR(128) NOT NULL, password VARCHAR(128) NOT NULL, email VARCHAR(128) NOT NULL ); Not e : I f y ou ar e u s i n g M y S Q L d at ab as e , y ou s h ou l d r e p l ac e AUTOINCREMENT w i t h AUTO INCREMENT i n t h e ab ov e S Q L. F or s i m p l i c i t y , w e on l y c r e at , y ou s h ou l d r e p l ac e AUTOINCREMENT w i t h AUTO INCREMENT i n t h e f ol l ow i n g S Q L. CREATE TABLE Post ( id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, title VARCHAR(128) NOT NULL, content

'integer', 'autoIncrement' => true, ]) ->addColumn('account_id', 'integer') ->addConstraint('primary', [ 'type' => 'primary', 'columns' => ['id', 'account_id'] ]); The autoIncrement option only

=> 'integer', 'autoIncrement' => true, ]) ->addColumn('account_id', 'integer') ->addConstraint('primary', [ 'type' => 'primary', 'columns' => ['id', 'account_id'] ]); The autoIncrement option only works

'integer', 'autoIncrement' => true, ]) ->addColumn('account_id', 'integer') ->addConstraint('primary', [ 'type' => 'primary', 'columns' => ['id', 'account_id'] ]); The autoIncrement option only

=> 'integer', 'autoIncrement' => true, ]) ->addColumn('account_id', 'integer') ->addConstraint('primary', [ 'type' => 'primary', 'columns' => ['id', 'account_id'] ]); The autoIncrement option only works

); }); 下面是所有可用的列修改器列表，该列表不包含索引修改器： 修改器 描述 ->after('column') 将该列置于另一个列之后 (MySQL) ->autoIncrement() 设置 INTEGER 列为自增主键 ->charset('utf8') 指定数据列字符集（MySQL） ->collation('utf8_unicode_ci') 指定数据列字符序（MySQL/SQL

将该列置于另一个列之后 (MySQL) 本文档由学院君提供 学院君致力于提供优质 Laravel 中文学习资源：https://xueyuanjun.com 1009 修改器 描述 ->autoIncrement() 设置 INTEGER 列为自增主键 ->charset('utf8') 指定数据列字符集（MySQL） ->collation('utf8_ unicode_ci') 指定数据列字符序（MySQL/SQL