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Update docs to reflect rename of Expression to SQLExpression
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Documentation/Index.md

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@@ -138,50 +138,14 @@ let db = try Connection("path/to/db.sqlite3")
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#### Read-Write Databases
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On iOS, you can create a writable database in your app’s **Documents**
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You can create a writable database in your app’s **Application Support**
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directory.
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```swift
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let path = NSSearchPathForDirectoriesInDomains(
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.documentDirectory, .userDomainMask, true
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).first!
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let db = try Connection("\(path)/db.sqlite3")
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```
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If you have bundled it in your application, you can use FileManager to copy it to the Documents directory:
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```swift
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func copyDatabaseIfNeeded(sourcePath: String) -> Bool {
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let documents = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true).first!
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let destinationPath = documents + "/db.sqlite3"
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let exists = FileManager.default.fileExists(atPath: destinationPath)
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guard !exists else { return false }
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do {
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try FileManager.default.copyItem(atPath: sourcePath, toPath: destinationPath)
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return true
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} catch {
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print("error during file copy: \(error)")
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return false
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}
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}
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```
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On macOS, you can use your app’s **Application Support** directory:
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```swift
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// set the path corresponding to application support
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var path = NSSearchPathForDirectoriesInDomains(
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.applicationSupportDirectory, .userDomainMask, true
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).first! + "/" + Bundle.main.bundleIdentifier!
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let path = URL.applicationSupportDirectory
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// create parent directory inside application support if it doesn’t exist
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try FileManager.default.createDirectory(
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atPath: path, withIntermediateDirectories: true, attributes: nil
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)
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let db = try Connection("\(path)/db.sqlite3")
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try FileManager.default.createDirectory(atPath: path, withIntermediateDirectories: true, attributes: nil)
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let db = try Connection(dbURL.appendingPathComponent("db.sqlite3").path)
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```
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#### Read-Only Databases
@@ -201,12 +165,6 @@ let db = try Connection(path, readonly: true)
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> it to a writable location _before_ establishing a connection (see
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> [Read-Write Databases](#read-write-databases), above, for typical, writable
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> locations).
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>
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> See these two Stack Overflow questions for more information about iOS apps
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> with SQLite databases: [1](https://stackoverflow.com/questions/34609746/what-different-between-store-database-in-different-locations-in-ios),
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> [2](https://stackoverflow.com/questions/34614968/ios-how-to-copy-pre-seeded-database-at-the-first-running-app-with-sqlite-swift).
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> We welcome changes to the above sample code to show how to successfully copy and use a bundled "seed"
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> database for writing in an app.
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#### In a shared group container
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