what is use of laravel migration column modifiers

What is Column Modifiers in laravel. What are the use of column modifiers. laravel migration tutorials.

Laravel migration column modifiers

When you add a table column in laravel thorw migration, there are multiple modifiers available Like after(), nullavle() and many others.

Laravel common use column modifiers

    ->after('column')
    ->comment('my comment')
    ->default($value)
    ->autoIncrement()
    ->charset('utf8mb4')
    ->invisible()
    ->nullable($value = true)
    ->unsigned()
    ->useCurrent()
    ->useCurrentOnUpdate()
    ->always()
    ->isGeometry()
    ->virtualAs($expression)
    ->generatedAs($expression)

Use column modifiers

after('column') create column after given column

comment('my comment') add a comment on column

default($value) set default column value

autoIncrement() make auto increment column

charset('utf8mb4') Define a character set of MySql column

invisible() remove column from select query

nullable($value = true) make column nullable

unsigned() set integer column as unsigned

useCurrent() use current timestamp as default value

useCurrentOnUpdate() use current timestamp when MySql record update