Merge pull request #72 from vapor/psql-9-fixes

add CI test + fixes for v9

Author: tanner0101

Diff for: Sources/FluentPostgreSQL/FluentPostgreSQLProvider.swift

@@ -18,19 +18,23 @@ public final class FluentPostgreSQLProvider: Provider {
 
     /// See `Provider`.
     public func willBoot(_ worker: Container) throws -> Future<Void> {
+        
+        return worker.withPooledConnection(to: .psql) { conn in
+            return FluentPostgreSQLProvider._setup(on: conn)
+        }
+    }
+
+    public static func _setup(on conn: PostgreSQLConnection) -> Future<Void> {
         struct Setting: Codable {
             var version: String
         }
-        
-        return worker.withPooledConnection(to: .psql) { conn in
-            return conn.select().column(.function("current_setting", [.expression(.literal(.string("server_version")))], as: .identifier("version"))).all(decoding: Setting.self).map { rows in
-                _serverVersion = rows[0].version
-                if let versionString = _serverVersion {
-                    let pointIndex = versionString.index(of: ".") ?? versionString.endIndex
-                    let majorVersion = versionString[..<pointIndex]
-                    if let ver = Int(majorVersion) {
-                        _globalEnableIdentityColumns = ver < 10 ? false: _globalEnableIdentityColumns
-                    }
+        return conn.select().column(.function("current_setting", [.expression(.literal(.string("server_version")))], as: .identifier("version"))).all(decoding: Setting.self).map { rows in
+            _serverVersion = rows[0].version
+            if let versionString = _serverVersion {
+                let pointIndex = versionString.index(of: ".") ?? versionString.endIndex
+                let majorVersion = versionString[..<pointIndex]
+                if let ver = Int(majorVersion) {
+                    _globalEnableIdentityColumns = ver < 10 ? false: _globalEnableIdentityColumns
                 }
             }
         }

Diff for: Sources/FluentPostgreSQL/PostgreSQLDatabase+SchemaSupporting.swift

@@ -54,31 +54,32 @@ extension PostgreSQLDatabase: SchemaSupporting {
         }
 
         if isIdentifier {
+            let pkDefault: PostgreSQLPrimaryKeyDefault?
+            // create a unique name for the primary key since it will be added
+            // as a separate index.
+            let unique: String
+            if let table = column.table {
+                unique = table.identifier.string + "." + column.identifier.string
+            } else {
+                unique = column.identifier.string
+            }
             if _globalEnableIdentityColumns {
-                let pkDefault: PostgreSQLPrimaryKeyDefault?
-                // create a unique name for the primary key since it will be added
-                // as a separate index.
-                let unique: String
-                if let table = column.table {
-                    unique = table.identifier.string + "." + column.identifier.string
-                } else {
-                    unique = column.identifier.string
-                }
                 switch dataType {
                 case .smallint, .integer, .bigint:
                     pkDefault = .generated(.byDefault)
                 default:
                     pkDefault = nil
                 }
-                constraints.append(.primaryKey(default: pkDefault, identifier: .identifier("pk:\(unique)")))
             } else {
+                pkDefault = nil
                 switch dataType {
                 case .smallint: dataType = .smallserial
                 case .integer: dataType = .serial
                 case .bigint: dataType = .bigserial
                 default: break
                 }
             }
+            constraints.append(.primaryKey(default: pkDefault, identifier: .identifier("pk:\(unique)")))
         }
 
         if isArray {

Diff for: Tests/FluentPostgreSQLTests/FluentPostgreSQLTests.swift

@@ -14,9 +14,9 @@ class FluentPostgreSQLTests: XCTestCase {
         #if os(macOS)
         let hostname = "localhost"
         #else
-        let hostname = "psql-cleartext"
+        let hostname = "psql"
         #endif
-        
+
         let config: PostgreSQLDatabaseConfig = .init(
             hostname: hostname,
             port: 5432,
@@ -27,6 +27,9 @@ class FluentPostgreSQLTests: XCTestCase {
         database = PostgreSQLDatabase(config: config)
         let eventLoop = MultiThreadedEventLoopGroup(numberOfThreads: 1)
         benchmarker = try! Benchmarker(database, on: eventLoop, onFail: XCTFail)
+        let conn = try! benchmarker.pool.requestConnection().wait()
+        defer { benchmarker.pool.releaseConnection(conn) }
+        try! FluentPostgreSQLProvider._setup(on: conn).wait()
     }
 
     func testBenchmark() throws {
@@ -131,7 +134,7 @@ class FluentPostgreSQLTests: XCTestCase {
 
             static func prepare(on conn: PostgreSQLConnection) -> EventLoopFuture<Void> {
                 return PostgreSQLDatabase.create(Pet.self, on: conn) { builder in
-                    builder.field(for: \.id, type: .bigint, .notNull, .primaryKey(default: .generated(.byDefault)))
+                    builder.field(for: \.id)
                     builder.field(for: \.type, type: .bigint)
                     builder.field(for: \.name, type: .text)
                 }

Diff for: circle.yml

@@ -8,11 +8,28 @@ jobs:
       - checkout
       - run: swift build
       - run: swift test
-  linux:
+  linux-10:
     docker:
       - image: codevapor/swift:4.1
       - image: circleci/postgres:latest
-        name: psql-cleartext
+        name: psql
+        environment:
+          POSTGRES_USER: vapor_username
+          POSTGRES_DB: vapor_database
+          POSTGRES_PASSWORD: vapor_password
+    steps:
+      - checkout
+      - run: 
+          name: Compile code
+          command: swift build
+      - run: 
+          name: Run unit tests
+          command: swift test
+  linux-9:
+    docker:
+      - image: codevapor/swift:4.1
+      - image: circleci/postgres:9
+        name: psql
         environment:
           POSTGRES_USER: vapor_username
           POSTGRES_DB: vapor_database
@@ -37,7 +54,8 @@ workflows:
   version: 2
   tests:
     jobs:
-      - linux
+      - linux-10
+      - linux-9
       - linux-release
       # - macos
   nightly:

Diff for: docker-compose.yml

@@ -6,12 +6,21 @@ services:
       context: .
       dockerfile: test.Dockerfile
     depends_on: 
-      - psql-cleartext
-  psql-cleartext:
-    image: postgres:latest
+      - psql-10
+  psql-10:
+    image: postgres:10
     environment:
       POSTGRES_USER: vapor_username
       POSTGRES_DB: vapor_database
       POSTGRES_PASSWORD: vapor_password
     ports:
       - 5432:5432
+  psql-9:
+    image: postgres:9
+    environment:
+      POSTGRES_USER: vapor_username
+      POSTGRES_DB: vapor_database
+      POSTGRES_PASSWORD: vapor_password
+    ports:
+      - 5432:5432
+