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renamed "Incremental Migrations" to "Progressive Migrations" to match the common term used by the community

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John Estropia
2016-02-17 15:34:33 +09:00
parent 8c8953c507
commit 37bf4179c8
5 changed files with 13 additions and 12 deletions
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6
CoreStore/Migrating/MigrationChain.swift
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@@ -30,14 +30,14 @@ import CoreData
// MARK: - MigrationChain
/**
A `MigrationChain` indicates the sequence of model versions to be used as the order for incremental migration. This is typically passed to the `DataStack` initializer and will be applied to all stores added to the `DataStack` with `addSQLiteStore(...)` and its variants.
A `MigrationChain` indicates the sequence of model versions to be used as the order for progressive migrations. This is typically passed to the `DataStack` initializer and will be applied to all stores added to the `DataStack` with `addSQLiteStore(...)` and its variants.
Initializing with empty values (either `nil`, `[]`, or `[:]`) instructs the `DataStack` to use the .xcdatamodel's current version as the final version, and to disable incremental migrations:
Initializing with empty values (either `nil`, `[]`, or `[:]`) instructs the `DataStack` to use the .xcdatamodel's current version as the final version, and to disable progressive migrations:
```
let dataStack = DataStack(migrationChain: nil)
```
This means that the mapping model will be computed from the store's version straight to the `DataStack`'s model version.
To support incremental migrations, specify the linear order of versions:
To support progressive migrations, specify the linear order of versions:
```
let dataStack = DataStack(migrationChain:
["MyAppModel", "MyAppModelV2", "MyAppModelV3", "MyAppModelV4"])