class Marten::DB::Management::Migrations::Diff::Dependency::ChangedColumn

• Marten::DB::Management::Migrations::Diff::Dependency::ChangedColumn
• Marten::DB::Management::Migrations::Diff::Dependency::Base
• Reference
• Object

Overview

Represents a changed column dependency.

This dependency can be used when a specific operation is dependent on a specific column being changed first.

Defined in:

marten/db/management/migrations/diff/dependency/changed_column.cr

Constructors

• .new(app_label : String, table_name : String, column_name : String)

Instance Method Summary

• #app_label : String

  Returns the app label associated with the dependency.

• #column_name : String
• #dependent?(operation : DB::Migration::Operation::Base) : Bool

  Returns true if the given operation depends on the considered dependency.

• #table_name : String

Constructor Detail

Instance Method Detail