diff --git a/Sources/Fluent/Entity/Entity.swift b/Sources/Fluent/Entity/Entity.swift
index 465e554d..cb23e036 100644
--- a/Sources/Fluent/Entity/Entity.swift
+++ b/Sources/Fluent/Entity/Entity.swift
@@ -122,7 +122,7 @@ extension Entity {
 
     /// See Entity.idType
     public static var idType: IdentifierType {
-        return database?.driver.idType ?? .uuid
+        return database?.driver.idType ?? .int
     }
 
     /// See Entity.idKey
diff --git a/Sources/Fluent/SQL/GeneralSQLSerializer.swift b/Sources/Fluent/SQL/GeneralSQLSerializer.swift
index 30d28ce7..31b3900b 100644
--- a/Sources/Fluent/SQL/GeneralSQLSerializer.swift
+++ b/Sources/Fluent/SQL/GeneralSQLSerializer.swift
@@ -371,7 +371,7 @@ open class GeneralSQLSerializer: SQLSerializer {
         var clause: [String] = []
 
         clause += sql(column.name)
-        clause += sql(column.type)
+        clause += sql(column.type, primaryKey: column.primaryKey)
         
         if !column.optional {
             clause += "NOT NULL"
@@ -402,7 +402,7 @@ open class GeneralSQLSerializer: SQLSerializer {
     }
 
 
-    open func sql(_ type: Schema.Field.DataType) -> String {
+    open func sql(_ type: Schema.Field.DataType, primaryKey: Bool) -> String {
         switch type {
         case .id(let type):
             let typeString: String
@@ -414,7 +414,11 @@ open class GeneralSQLSerializer: SQLSerializer {
             case .custom(let dataType):
                 typeString = dataType
             }
-            return typeString  + " PRIMARY KEY"
+            if primaryKey {
+                return typeString + " PRIMARY KEY"
+            } else {
+                return typeString
+            }
         case .int:
             return "INTEGER"
         case .string(_):
diff --git a/Sources/Fluent/Schema/Schema+Creator.swift b/Sources/Fluent/Schema/Schema+Creator.swift
index bd39cb2c..230d7bd3 100644
--- a/Sources/Fluent/Schema/Schema+Creator.swift
+++ b/Sources/Fluent/Schema/Schema+Creator.swift
@@ -13,7 +13,8 @@ extension Schema {
         public func id<E: Entity>(for entityType: E.Type) {
             fields += Field(
                 name: E.idKey,
-                type: .id(type: E.idType)
+                type: .id(type: E.idType),
+                primaryKey: true
             )
         }
 
diff --git a/Sources/Fluent/Schema/Schema+Field.swift b/Sources/Fluent/Schema/Schema+Field.swift
index c8956d82..1ef2ace0 100644
--- a/Sources/Fluent/Schema/Schema+Field.swift
+++ b/Sources/Fluent/Schema/Schema+Field.swift
@@ -2,11 +2,12 @@ extension Schema {
     /// Various types of fields
     /// that can be used in a Schema.
     public struct Field {
-        public var name: String
-        public var type: DataType
-        public var optional: Bool
-        public var unique: Bool
-        public var `default`: Node?
+        public let name: String
+        public let type: DataType
+        public let optional: Bool
+        public let unique: Bool
+        public let `default`: Node?
+        public let primaryKey: Bool
 
         public enum DataType {
             case id(type: IdentifierType)
@@ -23,13 +24,15 @@ extension Schema {
             type: DataType,
             optional: Bool = false,
             unique: Bool = false,
-            default: Node? = nil
+            default: Node? = nil,
+            primaryKey: Bool = false
         ) {
             self.name = name
             self.type = type
             self.optional = optional
             self.unique = unique
             self.default = `default`
+            self.primaryKey = primaryKey
         }
         
         public init(
@@ -37,7 +40,8 @@ extension Schema {
             type: DataType,
             optional: Bool = false,
             unique: Bool = false,
-            default: NodeRepresentable? = nil
+            default: NodeRepresentable? = nil,
+            primaryKey: Bool = false
         ) {
             let node: Node?
             
@@ -52,7 +56,8 @@ extension Schema {
                 type: type,
                 optional: optional,
                 unique: unique,
-                default: node
+                default: node,
+                primaryKey: primaryKey
             )
         }
     }