Column

Represents a database column component for migration actions.

class Column extends \Hazaar\DBI\Manager\Migration\Action\Component\BaseComponent

Extends: Hazaar\DBI\Manager\Migration\Action\Component\BaseComponent

Encapsulates column attributes such as name, type, default value, nullability, and primary key status.

Properties

name

The name of the column.

public string $name

Type: string

default

The default value for the column.

public mixed $default

Type: mixed

not_null

Whether the column is NOT NULL.

public bool $not_null

Type: bool

type

The data type of the column.

public string $type

Type: string

length

The type length/precision (e.g. the 255 in varchar(255)).

public string $length

Type: string

using

A USING expression for an ALTER COLUMN TYPE change, when the new type can't be reached by

public string $using

Type: string

an implicit cast (e.g. casting a text column onto a custom enum type sharing its values).

primarykey

Whether the column is a primary key.

public bool $primarykey

Type: bool

Methods

changed

Determines if the column has changed compared to another column instance.

public changed(BaseComponent $column): ?BaseComponent

Returns: Hazaar\DBI\Manager\Migration\Action\Component\BaseComponent

Compares all properties of the column and returns this instance if any property differs.

Parameters

Parameter	Type	Description
$column	Hazaar\DBI\Manager\Migration\Action\Component\BaseComponent	the column to compare against

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Generated by Hazaar API Doc Generator on Fri, 04 Sep 2026 23:32:16 +0000