class Marten::DB::Management::Migrations::Diff

• Marten::DB::Management::Migrations::Diff
• Reference
• Object

Overview

Represents a migrations diff.

This class gives the ability to compute the changes needed to go from an initial project state to a target state. This is mostly used to generate new migration files when changes have been made to existing models.

Defined in:

marten/db/management/migrations/diff.cr
marten/db/management/migrations/diff/dependency/added_column.cr
marten/db/management/migrations/diff/dependency/base.cr
marten/db/management/migrations/diff/dependency/changed_column.cr
marten/db/management/migrations/diff/dependency/created_table.cr
marten/db/management/migrations/diff/dependency/removed_column.cr
marten/db/management/migrations/diff/migration.cr

Constructors

• .new(from_state : DB::Management::ProjectState, to_state : DB::Management::ProjectState)
• .new

Instance Method Summary

• #detect(apps : Array(Apps::Config) | Nil = nil)

Constructor Detail

Instance Method Detail