Joins in the works

angel_orm/lib/src/annotations.dart

@@ -1,6 +1,12 @@
+const ORM orm = const ORM();
+
 class ORM {
   final String tableName;
   const ORM([this.tableName]);
 }
 
-const ORM orm = const ORM();
+class CanJoin {
+  final Type type;
+  final String foreignKey;
+  const CanJoin(this.type, this.foreignKey);
+}

angel_orm/lib/src/query.dart

@@ -21,7 +21,8 @@ String sanitizeExpression(String unsafe) {
       continue;
 
     // Otherwise, add the next char, unless it's a null byte.
-    else if ((ch = scanner.readChar()) != 0 && ch != null) buf.writeCharCode(ch);
+    else if ((ch = scanner.readChar()) != 0 && ch != null)
+      buf.writeCharCode(ch);
   }
 
   return buf.toString();

angel_orm/pubspec.yaml

@@ -1,5 +1,5 @@
 name: angel_orm
-version: 1.0.0-alpha+10
+version: 1.0.0-alpha+12
 description: Runtime support for Angel's ORM.
 author: Tobe O <thosakwe@gmail.com>
 homepage: https://github.com/angel-dart/orm

angel_orm_generator/lib/src/builder/orm/build_context.dart

@@ -99,7 +99,7 @@ Future<PostgresBuildContext> buildContext(
   var raw = await serialize.buildContext(clazz, null, buildStep, resolver,
       autoSnakeCaseNames != false, autoIdAndDateFields != false);
   var ctx = await PostgresBuildContext.create(
-      raw, annotation, resolver, buildStep,
+      clazz, raw, annotation, resolver, buildStep,
       tableName: (annotation.tableName?.isNotEmpty == true)
           ? annotation.tableName
           : pluralize(new ReCase(clazz.name).snakeCase),
@@ -110,6 +110,19 @@ Future<PostgresBuildContext> buildContext(
 
   for (var field in raw.fields) {
     fieldNames.add(field.name);
+
+    // Check for joins.
+    var canJoins = canJoinTypeChecker.annotationsOf(field);
+
+    for (var ann in canJoins) {
+      var cr = new ConstantReader(ann);
+      ctx.joins[field.name] ??= [];
+      ctx.joins[field.name].add(new JoinContext(
+        resolveModelAncestor(cr.read('type').typeValue),
+        cr.read('foreignKey').stringValue,
+      ));
+    }
+
     // Check for relationship. If so, skip.
     var relationshipAnnotation =
         relationshipTypeChecker.firstAnnotationOf(field);

angel_orm_generator/lib/src/builder/orm/postgres.dart

@@ -6,6 +6,7 @@ import 'package:build/build.dart';
 import 'package:code_builder/dart/async.dart';
 import 'package:code_builder/dart/core.dart';
 import 'package:code_builder/code_builder.dart';
+import 'package:inflection/inflection.dart';
 import 'package:path/path.dart' as p;
 import 'package:recase/recase.dart';
 import 'package:source_gen/source_gen.dart' hide LibraryBuilder;
@@ -100,8 +101,12 @@ class PostgresOrmGenerator extends GeneratorForAnnotation<ORM> {
     for (var element in contexts.keys) {
       if (!done.contains(element.name)) {
         var ctx = contexts[element];
-        lib.addMember(await buildQueryClass(ctx));
+        var queryClass = await buildQueryClass(ctx);
+        if (ctx.joins.isNotEmpty)
+          await buildJoins(queryClass, lib, ctx, resolver, buildStep);
+        lib.addMember(queryClass);
         lib.addMember(buildWhereClass(ctx));
+        lib.addMember(buildFieldClass(ctx));
         done.add(element.name);
       }
     }
@@ -252,8 +257,10 @@ class PostgresOrmGenerator extends GeneratorForAnnotation<ORM> {
     // Write prefix, or default to SELECT
     var prefix = reference('prefix');
     meth.addStatement(buf.invoke('write', [
-      prefix.notEquals(literal(null)).ternary(prefix,
-          literal('SELECT ${await computeSelector(ctx)} FROM "${ctx.tableName}"'))
+      prefix.notEquals(literal(null)).ternary(
+          prefix,
+          literal(
+              'SELECT ${await computeSelector(ctx)} FROM "${ctx.tableName}"'))
     ]));
 
     var relationsIfThen = ifThen(prefix.equals(literal(null)));
@@ -966,4 +973,70 @@ class PostgresOrmGenerator extends GeneratorForAnnotation<ORM> {
 
     return clazz;
   }
+
+  ClassBuilder buildFieldClass(PostgresBuildContext ctx) {
+    var clazz = new ClassBuilder(ctx.reCase.pascalCase + 'Fields');
+
+    for (var field in ctx.fields) {
+      clazz.addField(
+          varConst(field.name,
+              value: literal(ctx.resolveFieldName(field.name))),
+          asStatic: true);
+    }
+
+    return clazz;
+  }
+
+  Future buildJoins(ClassBuilder queryClass, LibraryBuilder lib,
+      PostgresBuildContext ctx, Resolver resolver, BuildStep buildStep) async {
+    Map<int, PostgresBuildContext> contexts = {};
+    Map<PostgresBuildContext, Map<String, JoinContext>> targets = {};
+
+    for (var fieldName in ctx.joins.keys) {
+      print('${ctx.originalClassName}:$fieldName');
+      var joins = ctx.joins[fieldName];
+
+      for (var join in joins) {
+        PostgresBuildContext refType;
+
+        if (contexts.containsKey(join.type.hashCode))
+          refType = contexts[join.type.hashCode];
+        else {
+          var clazz = join.type.element as ClassElement;
+          var annotation = ormTypeChecker.firstAnnotationOf(join.type.element);
+          var ctx = await buildContext(
+            clazz,
+            reviveOrm(new ConstantReader(annotation)),
+            buildStep,
+            resolver,
+            autoSnakeCaseNames,
+            autoIdAndDateFields,
+          );
+          contexts[join.type.hashCode] = refType = ctx;
+        }
+
+        var targetMap = targets.putIfAbsent(refType, () => {});
+        var localFieldName = ctx.resolveFieldName(fieldName);
+        targetMap.putIfAbsent(localFieldName, () => join);
+      }
+    }
+
+    if (targets.isNotEmpty) {
+      /*
+        var result = await OrderQuery.joinCustomers(
+          connection,
+          OrderQueryFields.customerId
+        );
+      */
+
+      for (var refType in targets.keys) {
+        var refTypeRc = new ReCase(pluralize(refType.modelClassName));
+        var refTypePlural = refTypeRc.pascalCase;
+        var joinMethod = new MethodBuilder('join$refTypePlural');
+        queryClass.addMethod(joinMethod, asStatic: true);
+        joinMethod.addPositional(
+            parameter('connection', [ctx.postgreSQLConnectionBuilder]));
+      }
+    }
+  }
 }

angel_orm_generator/lib/src/builder/orm/postgres_build_context.dart

@@ -3,6 +3,7 @@ import 'package:analyzer/dart/constant/value.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/generated/resolver.dart';
+import 'package:angel_model/angel_model.dart';
 import 'package:angel_orm/angel_orm.dart';
 import 'package:angel_serialize_generator/context.dart';
 import 'package:build/build.dart';
@@ -12,6 +13,33 @@ import 'package:recase/recase.dart';
 import 'package:source_gen/source_gen.dart';
 import 'build_context.dart';
 
+const TypeChecker canJoinTypeChecker = const TypeChecker.fromRuntime(CanJoin);
+
+DartType resolveModelAncestor(DartType type) {
+  DartType refType = type;
+
+  while (refType != null) {
+    if (!const TypeChecker.fromRuntime(Model).isAssignableFromType(refType)) {
+      var parent = (refType.element as ClassElement).allSupertypes[0];
+      if (parent != refType)
+        refType = parent;
+      else
+        refType = null;
+    } else
+      break;
+  }
+
+  if (refType != null) return refType;
+
+  throw '${type.name} does not extend Model.';
+}
+
+class JoinContext {
+  final DartType type;
+  final String foreignKey;
+  JoinContext(this.type, this.foreignKey);
+}
+
 class PostgresBuildContext extends BuildContext {
   LibraryElement _libraryCache;
   TypeProvider _typeProviderCache;
@@ -23,28 +51,36 @@ class PostgresBuildContext extends BuildContext {
   final Map<String, Relationship> _populatedRelationships = {};
   final Map<String, Column> columnInfo = {};
   final Map<String, IndexType> indices = {};
+  final Map<String, List<JoinContext>> joins = {};
   final Map<String, Relationship> relationships = {};
   final bool autoSnakeCaseNames, autoIdAndDateFields;
   final String tableName;
   final ORM ormAnnotation;
+  final ClassElement element;
   final BuildContext raw;
   final Resolver resolver;
   final BuildStep buildStep;
+  ReCase _reCase;
   String primaryKeyName = 'id';
 
   PostgresBuildContext._(
-      this.raw, this.ormAnnotation, this.resolver, this.buildStep,
+      this.element, this.raw, this.ormAnnotation, this.resolver, this.buildStep,
       {this.tableName, this.autoSnakeCaseNames, this.autoIdAndDateFields})
       : super(raw.annotation,
             originalClassName: raw.originalClassName,
             sourceFilename: raw.sourceFilename);
 
-  static Future<PostgresBuildContext> create(BuildContext raw,
-      ORM ormAnnotation, Resolver resolver, BuildStep buildStep,
+  static Future<PostgresBuildContext> create(
+      ClassElement element,
+      BuildContext raw,
+      ORM ormAnnotation,
+      Resolver resolver,
+      BuildStep buildStep,
       {String tableName,
       bool autoSnakeCaseNames,
       bool autoIdAndDateFields}) async {
     var ctx = new PostgresBuildContext._(
+      element,
       raw,
       ormAnnotation,
       resolver,
@@ -62,6 +98,8 @@ class PostgresBuildContext extends BuildContext {
 
   final List<FieldElement> fields = [], relationshipFields = [];
 
+  ReCase get reCase => _reCase ?? new ReCase(modelClassName);
+
   TypeBuilder get modelClassBuilder =>
       _modelClassBuilder ??= new TypeBuilder(modelClassName);
 
@@ -179,6 +217,11 @@ class PostgresBuildContext extends BuildContext {
             'Invalid relationship type: ${relationship.type}');
     });
   }
+
+  @override
+  String toString() {
+    return 'PostgresBuildContext: $originalClassName';
+  }
 }
 
 class PopulatedRelationship extends Relationship {

angel_orm_generator/test/models/author.orm.g.dart

@@ -241,3 +241,13 @@ class AuthorQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class AuthorFields {
+  static const id = 'id';
+
+  static const name = 'name';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/book.orm.g.dart

@@ -263,3 +263,15 @@ class BookQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class BookFields {
+  static const id = 'id';
+
+  static const name = 'name';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+
+  static const authorId = 'author_id';
+}

angel_orm_generator/test/models/car.orm.g.dart

@@ -281,3 +281,19 @@ class CarQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class CarFields {
+  static const id = 'id';
+
+  static const make = 'make';
+
+  static const description = 'description';
+
+  static const familyFriendly = 'family_friendly';
+
+  static const recalledAt = 'recalled_at';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/customer.dart

@@ -0,0 +1,11 @@
+library angel_orm_generator.test.models.customer;
+
+import 'package:angel_model/angel_model.dart';
+import 'package:angel_orm/angel_orm.dart';
+import 'package:angel_serialize/angel_serialize.dart';
+part 'customer.g.dart';
+
+@orm
+@serializable
+class _Customer extends Model {
+}

angel_orm_generator/test/models/customer.down.g.sql

@@ -0,0 +1 @@
+DROP TABLE "customers";

angel_orm_generator/test/models/customer.g.dart

@@ -0,0 +1,47 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of angel_orm_generator.test.models.customer;
+
+// **************************************************************************
+// Generator: JsonModelGenerator
+// **************************************************************************
+
+class Customer extends _Customer {
+  @override
+  String id;
+
+  @override
+  DateTime createdAt;
+
+  @override
+  DateTime updatedAt;
+
+  Customer({this.id, this.createdAt, this.updatedAt});
+
+  factory Customer.fromJson(Map data) {
+    return new Customer(
+        id: data['id'],
+        createdAt: data['created_at'] is DateTime
+            ? data['created_at']
+            : (data['created_at'] is String
+                ? DateTime.parse(data['created_at'])
+                : null),
+        updatedAt: data['updated_at'] is DateTime
+            ? data['updated_at']
+            : (data['updated_at'] is String
+                ? DateTime.parse(data['updated_at'])
+                : null));
+  }
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'created_at': createdAt == null ? null : createdAt.toIso8601String(),
+        'updated_at': updatedAt == null ? null : updatedAt.toIso8601String()
+      };
+
+  static Customer parse(Map map) => new Customer.fromJson(map);
+
+  Customer clone() {
+    return new Customer.fromJson(toJson());
+  }
+}

angel_orm_generator/test/models/customer.migration.g.dart

@@ -0,0 +1,23 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// Generator: MigrationGenerator
+// **************************************************************************
+
+import 'package:angel_migration/angel_migration.dart';
+
+class CustomerMigration extends Migration {
+  @override
+  up(Schema schema) {
+    schema.create('customers', (table) {
+      table.serial('id')..primaryKey();
+      table.timeStamp('created_at');
+      table.timeStamp('updated_at');
+    });
+  }
+
+  @override
+  down(Schema schema) {
+    schema.drop('customers');
+  }
+}

angel_orm_generator/test/models/customer.orm.g.dart

@@ -0,0 +1,234 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// Generator: PostgresOrmGenerator
+// **************************************************************************
+
+import 'dart:async';
+import 'package:angel_orm/angel_orm.dart';
+import 'package:postgres/postgres.dart';
+import 'customer.dart';
+
+class CustomerQuery {
+  final Map<CustomerQuery, bool> _unions = {};
+
+  String _sortKey;
+
+  String _sortMode;
+
+  int limit;
+
+  int offset;
+
+  final List<CustomerQueryWhere> _or = [];
+
+  final CustomerQueryWhere where = new CustomerQueryWhere();
+
+  void union(CustomerQuery query) {
+    _unions[query] = false;
+  }
+
+  void unionAll(CustomerQuery query) {
+    _unions[query] = true;
+  }
+
+  void sortDescending(String key) {
+    _sortMode = 'Descending';
+    _sortKey = ('' + key);
+  }
+
+  void sortAscending(String key) {
+    _sortMode = 'Ascending';
+    _sortKey = ('' + key);
+  }
+
+  void or(CustomerQueryWhere selector) {
+    _or.add(selector);
+  }
+
+  String toSql([String prefix]) {
+    var buf = new StringBuffer();
+    buf.write(prefix != null
+        ? prefix
+        : 'SELECT id, created_at, updated_at FROM "customers"');
+    if (prefix == null) {}
+    var whereClause = where.toWhereClause();
+    if (whereClause != null) {
+      buf.write(' ' + whereClause);
+    }
+    _or.forEach((x) {
+      var whereClause = x.toWhereClause(keyword: false);
+      if (whereClause != null) {
+        buf.write(' OR (' + whereClause + ')');
+      }
+    });
+    if (prefix == null) {
+      if (limit != null) {
+        buf.write(' LIMIT ' + limit.toString());
+      }
+      if (offset != null) {
+        buf.write(' OFFSET ' + offset.toString());
+      }
+      if (_sortMode == 'Descending') {
+        buf.write(' ORDER BY "' + _sortKey + '" DESC');
+      }
+      if (_sortMode == 'Ascending') {
+        buf.write(' ORDER BY "' + _sortKey + '" ASC');
+      }
+      _unions.forEach((query, all) {
+        buf.write(' UNION');
+        if (all) {
+          buf.write(' ALL');
+        }
+        buf.write(' (');
+        var sql = query.toSql().replaceAll(';', '');
+        buf.write(sql + ')');
+      });
+      buf.write(';');
+    }
+    return buf.toString();
+  }
+
+  static Customer parseRow(List row) {
+    var result = new Customer.fromJson(
+        {'id': row[0].toString(), 'created_at': row[1], 'updated_at': row[2]});
+    return result;
+  }
+
+  Stream<Customer> get(PostgreSQLConnection connection) {
+    StreamController<Customer> ctrl = new StreamController<Customer>();
+    connection.query(toSql()).then((rows) async {
+      var futures = rows.map((row) async {
+        var parsed = parseRow(row);
+        return parsed;
+      });
+      var output = await Future.wait(futures);
+      output.forEach(ctrl.add);
+      ctrl.close();
+    }).catchError(ctrl.addError);
+    return ctrl.stream;
+  }
+
+  static Future<Customer> getOne(int id, PostgreSQLConnection connection) {
+    var query = new CustomerQuery();
+    query.where.id.equals(id);
+    return query.get(connection).first.catchError((_) => null);
+  }
+
+  Stream<Customer> update(PostgreSQLConnection connection,
+      {DateTime createdAt, DateTime updatedAt}) {
+    var buf = new StringBuffer(
+        'UPDATE "customers" SET ("created_at", "updated_at") = (@createdAt, @updatedAt) ');
+    var whereClause = where.toWhereClause();
+    if (whereClause != null) {
+      buf.write(whereClause);
+    }
+    var __ormNow__ = new DateTime.now();
+    var ctrl = new StreamController<Customer>();
+    connection.query(
+        buf.toString() + ' RETURNING "id", "created_at", "updated_at";',
+        substitutionValues: {
+          'createdAt': createdAt != null ? createdAt : __ormNow__,
+          'updatedAt': updatedAt != null ? updatedAt : __ormNow__
+        }).then((rows) async {
+      var futures = rows.map((row) async {
+        var parsed = parseRow(row);
+        return parsed;
+      });
+      var output = await Future.wait(futures);
+      output.forEach(ctrl.add);
+      ctrl.close();
+    }).catchError(ctrl.addError);
+    return ctrl.stream;
+  }
+
+  Stream<Customer> delete(PostgreSQLConnection connection) {
+    StreamController<Customer> ctrl = new StreamController<Customer>();
+    connection
+        .query(toSql('DELETE FROM "customers"') +
+            ' RETURNING "id", "created_at", "updated_at";')
+        .then((rows) async {
+      var futures = rows.map((row) async {
+        var parsed = parseRow(row);
+        return parsed;
+      });
+      var output = await Future.wait(futures);
+      output.forEach(ctrl.add);
+      ctrl.close();
+    }).catchError(ctrl.addError);
+    return ctrl.stream;
+  }
+
+  static Future<Customer> deleteOne(int id, PostgreSQLConnection connection) {
+    var query = new CustomerQuery();
+    query.where.id.equals(id);
+    return query.delete(connection).first;
+  }
+
+  static Future<Customer> insert(PostgreSQLConnection connection,
+      {DateTime createdAt, DateTime updatedAt}) async {
+    var __ormNow__ = new DateTime.now();
+    var result = await connection.query(
+        'INSERT INTO "customers" ("created_at", "updated_at") VALUES (@createdAt, @updatedAt) RETURNING "id", "created_at", "updated_at";',
+        substitutionValues: {
+          'createdAt': createdAt != null ? createdAt : __ormNow__,
+          'updatedAt': updatedAt != null ? updatedAt : __ormNow__
+        });
+    var output = parseRow(result[0]);
+    return output;
+  }
+
+  static Future<Customer> insertCustomer(
+      PostgreSQLConnection connection, Customer customer) {
+    return CustomerQuery.insert(connection,
+        createdAt: customer.createdAt, updatedAt: customer.updatedAt);
+  }
+
+  static Future<Customer> updateCustomer(
+      PostgreSQLConnection connection, Customer customer) {
+    var query = new CustomerQuery();
+    query.where.id.equals(int.parse(customer.id));
+    return query
+        .update(connection,
+            createdAt: customer.createdAt, updatedAt: customer.updatedAt)
+        .first;
+  }
+
+  static Stream<Customer> getAll(PostgreSQLConnection connection) =>
+      new CustomerQuery().get(connection);
+}
+
+class CustomerQueryWhere {
+  final NumericSqlExpressionBuilder<int> id =
+      new NumericSqlExpressionBuilder<int>();
+
+  final DateTimeSqlExpressionBuilder createdAt =
+      new DateTimeSqlExpressionBuilder('customers.created_at');
+
+  final DateTimeSqlExpressionBuilder updatedAt =
+      new DateTimeSqlExpressionBuilder('customers.updated_at');
+
+  String toWhereClause({bool keyword}) {
+    final List<String> expressions = [];
+    if (id.hasValue) {
+      expressions.add('customers.id ' + id.compile());
+    }
+    if (createdAt.hasValue) {
+      expressions.add(createdAt.compile());
+    }
+    if (updatedAt.hasValue) {
+      expressions.add(updatedAt.compile());
+    }
+    return expressions.isEmpty
+        ? null
+        : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
+  }
+}
+
+class CustomerFields {
+  static const id = 'id';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/customer.service.g.dart

@@ -0,0 +1,143 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// Generator: PostgresServiceGenerator
+// **************************************************************************
+
+import 'dart:async';
+import 'package:angel_framework/angel_framework.dart';
+import 'package:postgres/postgres.dart';
+import 'customer.dart';
+import 'customer.orm.g.dart';
+
+class CustomerService extends Service {
+  final PostgreSQLConnection connection;
+
+  final bool allowRemoveAll;
+
+  final bool allowQuery;
+
+  CustomerService(this.connection,
+      {this.allowRemoveAll: false, this.allowQuery: false});
+
+  CustomerQuery buildQuery(Map params) {
+    var query = new CustomerQuery();
+    if (params['query'] is Map) {
+      query.where.id.equals(params['query']['id']);
+      query.where.createdAt.equals(params['query']['created_at'] is String
+          ? DateTime.parse(params['query']['created_at'])
+          : params['query']['created_at'] != null
+              ? params['query']['created_at'] is String
+                  ? DateTime.parse(params['query']['created_at'])
+                  : params['query']['created_at']
+              : new DateTime.now());
+      query.where.updatedAt.equals(params['query']['updated_at'] is String
+          ? DateTime.parse(params['query']['updated_at'])
+          : params['query']['updated_at'] != null
+              ? params['query']['updated_at'] is String
+                  ? DateTime.parse(params['query']['updated_at'])
+                  : params['query']['updated_at']
+              : new DateTime.now());
+    }
+    return query;
+  }
+
+  int toId(id) {
+    if (id is int) {
+      return id;
+    } else {
+      if (id == 'null' || id == null) {
+        return null;
+      } else {
+        return int.parse(id.toString());
+      }
+    }
+  }
+
+  Customer applyData(data) {
+    if (data is Customer || data == null) {
+      return data;
+    }
+    if (data is Map) {
+      var query = new Customer();
+      if (data.containsKey('created_at')) {
+        query.createdAt = data['created_at'] is String
+            ? DateTime.parse(data['created_at'])
+            : data['created_at'] != null
+                ? data['created_at'] is String
+                    ? DateTime.parse(data['created_at'])
+                    : data['created_at']
+                : new DateTime.now();
+      }
+      if (data.containsKey('updated_at')) {
+        query.updatedAt = data['updated_at'] is String
+            ? DateTime.parse(data['updated_at'])
+            : data['updated_at'] != null
+                ? data['updated_at'] is String
+                    ? DateTime.parse(data['updated_at'])
+                    : data['updated_at']
+                : new DateTime.now();
+      }
+      return query;
+    } else
+      throw new AngelHttpException.badRequest(message: 'Invalid data.');
+  }
+
+  Future<List<Customer>> index([Map params]) {
+    return buildQuery(params).get(connection).toList();
+  }
+
+  Future<Customer> create(data, [Map params]) {
+    return CustomerQuery.insertCustomer(connection, applyData(data));
+  }
+
+  Future<Customer> read(id, [Map params]) {
+    var query = buildQuery(params);
+    query.where.id.equals(toId(id));
+    return query.get(connection).first.catchError((_) {
+      new AngelHttpException.notFound(
+          message: 'No record found for ID ' + id.toString());
+    });
+  }
+
+  Future<Customer> remove(id, [Map params]) {
+    var query = buildQuery(params);
+    query.where.id.equals(toId(id));
+    return query.delete(connection).first.catchError((_) {
+      new AngelHttpException.notFound(
+          message: 'No record found for ID ' + id.toString());
+    });
+  }
+
+  Future<Customer> update(id, data, [Map params]) {
+    return CustomerQuery.updateCustomer(connection, applyData(data));
+  }
+
+  Future<Customer> modify(id, data, [Map params]) async {
+    var query = await read(toId(id), params);
+    if (data is Customer) {
+      query = data;
+    }
+    if (data is Map) {
+      if (data.containsKey('created_at')) {
+        query.createdAt = data['created_at'] is String
+            ? DateTime.parse(data['created_at'])
+            : data['created_at'] != null
+                ? data['created_at'] is String
+                    ? DateTime.parse(data['created_at'])
+                    : data['created_at']
+                : new DateTime.now();
+      }
+      if (data.containsKey('updated_at')) {
+        query.updatedAt = data['updated_at'] is String
+            ? DateTime.parse(data['updated_at'])
+            : data['updated_at'] != null
+                ? data['updated_at'] is String
+                    ? DateTime.parse(data['updated_at'])
+                    : data['updated_at']
+                : new DateTime.now();
+      }
+    }
+    return await CustomerQuery.updateCustomer(connection, query);
+  }
+}

angel_orm_generator/test/models/customer.up.g.sql

@@ -0,0 +1,6 @@
+CREATE TEMPORARY TABLE "customers" (
+  "id" serial,
+  "created_at" timestamp,
+  "updated_at" timestamp,
+  PRIMARY KEY(id)
+);

angel_orm_generator/test/models/foot.orm.g.dart

@@ -250,3 +250,15 @@ class FootQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class FootFields {
+  static const id = 'id';
+
+  static const legId = 'leg_id';
+
+  static const nToes = 'n_toes';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/fruit.orm.g.dart

@@ -255,3 +255,15 @@ class FruitQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class FruitFields {
+  static const id = 'id';
+
+  static const treeId = 'tree_id';
+
+  static const commonName = 'common_name';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/leg.orm.g.dart

@@ -255,3 +255,13 @@ class LegQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class LegFields {
+  static const id = 'id';
+
+  static const name = 'name';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/order.dart

@@ -0,0 +1,17 @@
+library angel_orm_generator.test.models.order;
+
+import 'package:angel_model/angel_model.dart';
+import 'package:angel_orm/angel_orm.dart';
+import 'package:angel_serialize/angel_serialize.dart';
+import 'customer.dart';
+part 'order.g.dart';
+
+@orm
+@serializable
+class _Order extends Model {
+  @CanJoin(Customer, 'id')
+  int customerId;
+  int employeeId;
+  DateTime orderDate;
+  int shipperId;
+}

angel_orm_generator/test/models/order.down.g.sql

@@ -0,0 +1 @@
+DROP TABLE "orders";

angel_orm_generator/test/models/order.g.dart

@@ -0,0 +1,78 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of angel_orm_generator.test.models.order;
+
+// **************************************************************************
+// Generator: JsonModelGenerator
+// **************************************************************************
+
+class Order extends _Order {
+  @override
+  String id;
+
+  @override
+  int customerId;
+
+  @override
+  int employeeId;
+
+  @override
+  DateTime orderDate;
+
+  @override
+  int shipperId;
+
+  @override
+  DateTime createdAt;
+
+  @override
+  DateTime updatedAt;
+
+  Order(
+      {this.id,
+      this.customerId,
+      this.employeeId,
+      this.orderDate,
+      this.shipperId,
+      this.createdAt,
+      this.updatedAt});
+
+  factory Order.fromJson(Map data) {
+    return new Order(
+        id: data['id'],
+        customerId: data['customer_id'],
+        employeeId: data['employee_id'],
+        orderDate: data['order_date'] is DateTime
+            ? data['order_date']
+            : (data['order_date'] is String
+                ? DateTime.parse(data['order_date'])
+                : null),
+        shipperId: data['shipper_id'],
+        createdAt: data['created_at'] is DateTime
+            ? data['created_at']
+            : (data['created_at'] is String
+                ? DateTime.parse(data['created_at'])
+                : null),
+        updatedAt: data['updated_at'] is DateTime
+            ? data['updated_at']
+            : (data['updated_at'] is String
+                ? DateTime.parse(data['updated_at'])
+                : null));
+  }
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'customer_id': customerId,
+        'employee_id': employeeId,
+        'order_date': orderDate == null ? null : orderDate.toIso8601String(),
+        'shipper_id': shipperId,
+        'created_at': createdAt == null ? null : createdAt.toIso8601String(),
+        'updated_at': updatedAt == null ? null : updatedAt.toIso8601String()
+      };
+
+  static Order parse(Map map) => new Order.fromJson(map);
+
+  Order clone() {
+    return new Order.fromJson(toJson());
+  }
+}

angel_orm_generator/test/models/order.migration.g.dart

@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// Generator: MigrationGenerator
+// **************************************************************************
+
+import 'package:angel_migration/angel_migration.dart';
+
+class OrderMigration extends Migration {
+  @override
+  up(Schema schema) {
+    schema.create('orders', (table) {
+      table.serial('id')..primaryKey();
+      table.integer('customer_id');
+      table.integer('employee_id');
+      table.timeStamp('order_date');
+      table.integer('shipper_id');
+      table.timeStamp('created_at');
+      table.timeStamp('updated_at');
+    });
+  }
+
+  @override
+  down(Schema schema) {
+    schema.drop('orders');
+  }
+}

angel_orm_generator/test/models/order.orm.g.dart

@@ -0,0 +1,305 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// Generator: PostgresOrmGenerator
+// **************************************************************************
+
+import 'dart:async';
+import 'package:angel_orm/angel_orm.dart';
+import 'package:postgres/postgres.dart';
+import 'order.dart';
+
+class OrderQuery {
+  final Map<OrderQuery, bool> _unions = {};
+
+  String _sortKey;
+
+  String _sortMode;
+
+  int limit;
+
+  int offset;
+
+  final List<OrderQueryWhere> _or = [];
+
+  final OrderQueryWhere where = new OrderQueryWhere();
+
+  void union(OrderQuery query) {
+    _unions[query] = false;
+  }
+
+  void unionAll(OrderQuery query) {
+    _unions[query] = true;
+  }
+
+  void sortDescending(String key) {
+    _sortMode = 'Descending';
+    _sortKey = ('' + key);
+  }
+
+  void sortAscending(String key) {
+    _sortMode = 'Ascending';
+    _sortKey = ('' + key);
+  }
+
+  void or(OrderQueryWhere selector) {
+    _or.add(selector);
+  }
+
+  String toSql([String prefix]) {
+    var buf = new StringBuffer();
+    buf.write(prefix != null
+        ? prefix
+        : 'SELECT id, customer_id, employee_id, order_date, shipper_id, created_at, updated_at FROM "orders"');
+    if (prefix == null) {}
+    var whereClause = where.toWhereClause();
+    if (whereClause != null) {
+      buf.write(' ' + whereClause);
+    }
+    _or.forEach((x) {
+      var whereClause = x.toWhereClause(keyword: false);
+      if (whereClause != null) {
+        buf.write(' OR (' + whereClause + ')');
+      }
+    });
+    if (prefix == null) {
+      if (limit != null) {
+        buf.write(' LIMIT ' + limit.toString());
+      }
+      if (offset != null) {
+        buf.write(' OFFSET ' + offset.toString());
+      }
+      if (_sortMode == 'Descending') {
+        buf.write(' ORDER BY "' + _sortKey + '" DESC');
+      }
+      if (_sortMode == 'Ascending') {
+        buf.write(' ORDER BY "' + _sortKey + '" ASC');
+      }
+      _unions.forEach((query, all) {
+        buf.write(' UNION');
+        if (all) {
+          buf.write(' ALL');
+        }
+        buf.write(' (');
+        var sql = query.toSql().replaceAll(';', '');
+        buf.write(sql + ')');
+      });
+      buf.write(';');
+    }
+    return buf.toString();
+  }
+
+  static Order parseRow(List row) {
+    var result = new Order.fromJson({
+      'id': row[0].toString(),
+      'customer_id': row[1],
+      'employee_id': row[2],
+      'order_date': row[3],
+      'shipper_id': row[4],
+      'created_at': row[5],
+      'updated_at': row[6]
+    });
+    return result;
+  }
+
+  Stream<Order> get(PostgreSQLConnection connection) {
+    StreamController<Order> ctrl = new StreamController<Order>();
+    connection.query(toSql()).then((rows) async {
+      var futures = rows.map((row) async {
+        var parsed = parseRow(row);
+        return parsed;
+      });
+      var output = await Future.wait(futures);
+      output.forEach(ctrl.add);
+      ctrl.close();
+    }).catchError(ctrl.addError);
+    return ctrl.stream;
+  }
+
+  static Future<Order> getOne(int id, PostgreSQLConnection connection) {
+    var query = new OrderQuery();
+    query.where.id.equals(id);
+    return query.get(connection).first.catchError((_) => null);
+  }
+
+  Stream<Order> update(PostgreSQLConnection connection,
+      {int customerId,
+      int employeeId,
+      DateTime orderDate,
+      int shipperId,
+      DateTime createdAt,
+      DateTime updatedAt}) {
+    var buf = new StringBuffer(
+        'UPDATE "orders" SET ("customer_id", "employee_id", "order_date", "shipper_id", "created_at", "updated_at") = (@customerId, @employeeId, @orderDate, @shipperId, @createdAt, @updatedAt) ');
+    var whereClause = where.toWhereClause();
+    if (whereClause != null) {
+      buf.write(whereClause);
+    }
+    var __ormNow__ = new DateTime.now();
+    var ctrl = new StreamController<Order>();
+    connection.query(
+        buf.toString() +
+            ' RETURNING "id", "customer_id", "employee_id", "order_date", "shipper_id", "created_at", "updated_at";',
+        substitutionValues: {
+          'customerId': customerId,
+          'employeeId': employeeId,
+          'orderDate': orderDate,
+          'shipperId': shipperId,
+          'createdAt': createdAt != null ? createdAt : __ormNow__,
+          'updatedAt': updatedAt != null ? updatedAt : __ormNow__
+        }).then((rows) async {
+      var futures = rows.map((row) async {
+        var parsed = parseRow(row);
+        return parsed;
+      });
+      var output = await Future.wait(futures);
+      output.forEach(ctrl.add);
+      ctrl.close();
+    }).catchError(ctrl.addError);
+    return ctrl.stream;
+  }
+
+  Stream<Order> delete(PostgreSQLConnection connection) {
+    StreamController<Order> ctrl = new StreamController<Order>();
+    connection
+        .query(toSql('DELETE FROM "orders"') +
+            ' RETURNING "id", "customer_id", "employee_id", "order_date", "shipper_id", "created_at", "updated_at";')
+        .then((rows) async {
+      var futures = rows.map((row) async {
+        var parsed = parseRow(row);
+        return parsed;
+      });
+      var output = await Future.wait(futures);
+      output.forEach(ctrl.add);
+      ctrl.close();
+    }).catchError(ctrl.addError);
+    return ctrl.stream;
+  }
+
+  static Future<Order> deleteOne(int id, PostgreSQLConnection connection) {
+    var query = new OrderQuery();
+    query.where.id.equals(id);
+    return query.delete(connection).first;
+  }
+
+  static Future<Order> insert(PostgreSQLConnection connection,
+      {int customerId,
+      int employeeId,
+      DateTime orderDate,
+      int shipperId,
+      DateTime createdAt,
+      DateTime updatedAt}) async {
+    var __ormNow__ = new DateTime.now();
+    var result = await connection.query(
+        'INSERT INTO "orders" ("customer_id", "employee_id", "order_date", "shipper_id", "created_at", "updated_at") VALUES (@customerId, @employeeId, @orderDate, @shipperId, @createdAt, @updatedAt) RETURNING "id", "customer_id", "employee_id", "order_date", "shipper_id", "created_at", "updated_at";',
+        substitutionValues: {
+          'customerId': customerId,
+          'employeeId': employeeId,
+          'orderDate': orderDate,
+          'shipperId': shipperId,
+          'createdAt': createdAt != null ? createdAt : __ormNow__,
+          'updatedAt': updatedAt != null ? updatedAt : __ormNow__
+        });
+    var output = parseRow(result[0]);
+    return output;
+  }
+
+  static Future<Order> insertOrder(
+      PostgreSQLConnection connection, Order order) {
+    return OrderQuery.insert(connection,
+        customerId: order.customerId,
+        employeeId: order.employeeId,
+        orderDate: order.orderDate,
+        shipperId: order.shipperId,
+        createdAt: order.createdAt,
+        updatedAt: order.updatedAt);
+  }
+
+  static Future<Order> updateOrder(
+      PostgreSQLConnection connection, Order order) {
+    var query = new OrderQuery();
+    query.where.id.equals(int.parse(order.id));
+    return query
+        .update(connection,
+            customerId: order.customerId,
+            employeeId: order.employeeId,
+            orderDate: order.orderDate,
+            shipperId: order.shipperId,
+            createdAt: order.createdAt,
+            updatedAt: order.updatedAt)
+        .first;
+  }
+
+  static Stream<Order> getAll(PostgreSQLConnection connection) =>
+      new OrderQuery().get(connection);
+
+  static joinCustomers(PostgreSQLConnection connection) {
+  }
+}
+
+class OrderQueryWhere {
+  final NumericSqlExpressionBuilder<int> id =
+      new NumericSqlExpressionBuilder<int>();
+
+  final NumericSqlExpressionBuilder<int> customerId =
+      new NumericSqlExpressionBuilder<int>();
+
+  final NumericSqlExpressionBuilder<int> employeeId =
+      new NumericSqlExpressionBuilder<int>();
+
+  final DateTimeSqlExpressionBuilder orderDate =
+      new DateTimeSqlExpressionBuilder('orders.order_date');
+
+  final NumericSqlExpressionBuilder<int> shipperId =
+      new NumericSqlExpressionBuilder<int>();
+
+  final DateTimeSqlExpressionBuilder createdAt =
+      new DateTimeSqlExpressionBuilder('orders.created_at');
+
+  final DateTimeSqlExpressionBuilder updatedAt =
+      new DateTimeSqlExpressionBuilder('orders.updated_at');
+
+  String toWhereClause({bool keyword}) {
+    final List<String> expressions = [];
+    if (id.hasValue) {
+      expressions.add('orders.id ' + id.compile());
+    }
+    if (customerId.hasValue) {
+      expressions.add('orders.customer_id ' + customerId.compile());
+    }
+    if (employeeId.hasValue) {
+      expressions.add('orders.employee_id ' + employeeId.compile());
+    }
+    if (orderDate.hasValue) {
+      expressions.add(orderDate.compile());
+    }
+    if (shipperId.hasValue) {
+      expressions.add('orders.shipper_id ' + shipperId.compile());
+    }
+    if (createdAt.hasValue) {
+      expressions.add(createdAt.compile());
+    }
+    if (updatedAt.hasValue) {
+      expressions.add(updatedAt.compile());
+    }
+    return expressions.isEmpty
+        ? null
+        : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
+  }
+}
+
+class OrderFields {
+  static const id = 'id';
+
+  static const customerId = 'customer_id';
+
+  static const employeeId = 'employee_id';
+
+  static const orderDate = 'order_date';
+
+  static const shipperId = 'shipper_id';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/order.service.g.dart

@@ -0,0 +1,189 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// Generator: PostgresServiceGenerator
+// **************************************************************************
+
+import 'dart:async';
+import 'package:angel_framework/angel_framework.dart';
+import 'package:postgres/postgres.dart';
+import 'order.dart';
+import 'order.orm.g.dart';
+
+class OrderService extends Service {
+  final PostgreSQLConnection connection;
+
+  final bool allowRemoveAll;
+
+  final bool allowQuery;
+
+  OrderService(this.connection,
+      {this.allowRemoveAll: false, this.allowQuery: false});
+
+  OrderQuery buildQuery(Map params) {
+    var query = new OrderQuery();
+    if (params['query'] is Map) {
+      query.where.id.equals(params['query']['id']);
+      query.where.customerId.equals(params['query']['customer_id']);
+      query.where.employeeId.equals(params['query']['employee_id']);
+      query.where.orderDate.equals(params['query']['order_date'] is String
+          ? DateTime.parse(params['query']['order_date'])
+          : params['query']['order_date'] != null
+              ? params['query']['order_date'] is String
+                  ? DateTime.parse(params['query']['order_date'])
+                  : params['query']['order_date']
+              : new DateTime.now());
+      query.where.shipperId.equals(params['query']['shipper_id']);
+      query.where.createdAt.equals(params['query']['created_at'] is String
+          ? DateTime.parse(params['query']['created_at'])
+          : params['query']['created_at'] != null
+              ? params['query']['created_at'] is String
+                  ? DateTime.parse(params['query']['created_at'])
+                  : params['query']['created_at']
+              : new DateTime.now());
+      query.where.updatedAt.equals(params['query']['updated_at'] is String
+          ? DateTime.parse(params['query']['updated_at'])
+          : params['query']['updated_at'] != null
+              ? params['query']['updated_at'] is String
+                  ? DateTime.parse(params['query']['updated_at'])
+                  : params['query']['updated_at']
+              : new DateTime.now());
+    }
+    return query;
+  }
+
+  int toId(id) {
+    if (id is int) {
+      return id;
+    } else {
+      if (id == 'null' || id == null) {
+        return null;
+      } else {
+        return int.parse(id.toString());
+      }
+    }
+  }
+
+  Order applyData(data) {
+    if (data is Order || data == null) {
+      return data;
+    }
+    if (data is Map) {
+      var query = new Order();
+      if (data.containsKey('customer_id')) {
+        query.customerId = data['customer_id'];
+      }
+      if (data.containsKey('employee_id')) {
+        query.employeeId = data['employee_id'];
+      }
+      if (data.containsKey('order_date')) {
+        query.orderDate = data['order_date'] is String
+            ? DateTime.parse(data['order_date'])
+            : data['order_date'] != null
+                ? data['order_date'] is String
+                    ? DateTime.parse(data['order_date'])
+                    : data['order_date']
+                : new DateTime.now();
+      }
+      if (data.containsKey('shipper_id')) {
+        query.shipperId = data['shipper_id'];
+      }
+      if (data.containsKey('created_at')) {
+        query.createdAt = data['created_at'] is String
+            ? DateTime.parse(data['created_at'])
+            : data['created_at'] != null
+                ? data['created_at'] is String
+                    ? DateTime.parse(data['created_at'])
+                    : data['created_at']
+                : new DateTime.now();
+      }
+      if (data.containsKey('updated_at')) {
+        query.updatedAt = data['updated_at'] is String
+            ? DateTime.parse(data['updated_at'])
+            : data['updated_at'] != null
+                ? data['updated_at'] is String
+                    ? DateTime.parse(data['updated_at'])
+                    : data['updated_at']
+                : new DateTime.now();
+      }
+      return query;
+    } else
+      throw new AngelHttpException.badRequest(message: 'Invalid data.');
+  }
+
+  Future<List<Order>> index([Map params]) {
+    return buildQuery(params).get(connection).toList();
+  }
+
+  Future<Order> create(data, [Map params]) {
+    return OrderQuery.insertOrder(connection, applyData(data));
+  }
+
+  Future<Order> read(id, [Map params]) {
+    var query = buildQuery(params);
+    query.where.id.equals(toId(id));
+    return query.get(connection).first.catchError((_) {
+      new AngelHttpException.notFound(
+          message: 'No record found for ID ' + id.toString());
+    });
+  }
+
+  Future<Order> remove(id, [Map params]) {
+    var query = buildQuery(params);
+    query.where.id.equals(toId(id));
+    return query.delete(connection).first.catchError((_) {
+      new AngelHttpException.notFound(
+          message: 'No record found for ID ' + id.toString());
+    });
+  }
+
+  Future<Order> update(id, data, [Map params]) {
+    return OrderQuery.updateOrder(connection, applyData(data));
+  }
+
+  Future<Order> modify(id, data, [Map params]) async {
+    var query = await read(toId(id), params);
+    if (data is Order) {
+      query = data;
+    }
+    if (data is Map) {
+      if (data.containsKey('customer_id')) {
+        query.customerId = data['customer_id'];
+      }
+      if (data.containsKey('employee_id')) {
+        query.employeeId = data['employee_id'];
+      }
+      if (data.containsKey('order_date')) {
+        query.orderDate = data['order_date'] is String
+            ? DateTime.parse(data['order_date'])
+            : data['order_date'] != null
+                ? data['order_date'] is String
+                    ? DateTime.parse(data['order_date'])
+                    : data['order_date']
+                : new DateTime.now();
+      }
+      if (data.containsKey('shipper_id')) {
+        query.shipperId = data['shipper_id'];
+      }
+      if (data.containsKey('created_at')) {
+        query.createdAt = data['created_at'] is String
+            ? DateTime.parse(data['created_at'])
+            : data['created_at'] != null
+                ? data['created_at'] is String
+                    ? DateTime.parse(data['created_at'])
+                    : data['created_at']
+                : new DateTime.now();
+      }
+      if (data.containsKey('updated_at')) {
+        query.updatedAt = data['updated_at'] is String
+            ? DateTime.parse(data['updated_at'])
+            : data['updated_at'] != null
+                ? data['updated_at'] is String
+                    ? DateTime.parse(data['updated_at'])
+                    : data['updated_at']
+                : new DateTime.now();
+      }
+    }
+    return await OrderQuery.updateOrder(connection, query);
+  }
+}

angel_orm_generator/test/models/order.up.g.sql

@@ -0,0 +1,10 @@
+CREATE TEMPORARY TABLE "orders" (
+  "id" serial,
+  "customer_id" int,
+  "employee_id" int,
+  "order_date" timestamp,
+  "shipper_id" int,
+  "created_at" timestamp,
+  "updated_at" timestamp,
+  PRIMARY KEY(id)
+);

angel_orm_generator/test/models/role.orm.g.dart

@@ -235,3 +235,13 @@ class RoleQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class RoleFields {
+  static const id = 'id';
+
+  static const name = 'name';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/tree.orm.g.dart

@@ -260,3 +260,13 @@ class TreeQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class TreeFields {
+  static const id = 'id';
+
+  static const rings = 'rings';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/test/models/user.orm.g.dart

@@ -283,3 +283,17 @@ class UserQueryWhere {
         : ((keyword != false ? 'WHERE ' : '') + expressions.join(' AND '));
   }
 }
+
+class UserFields {
+  static const id = 'id';
+
+  static const username = 'username';
+
+  static const password = 'password';
+
+  static const email = 'email';
+
+  static const createdAt = 'created_at';
+
+  static const updatedAt = 'updated_at';
+}

angel_orm_generator/tool/actions.dart

@@ -10,10 +10,12 @@ const List<String> standaloneModels = const [
   'test/models/car.dart',
   'test/models/foot.dart',
   'test/models/fruit.dart',
+  'test/models/order.dart',
   'test/models/role.dart'
 ];
 const List<String> dependentModels = const [
   'test/models/book.dart',
+  'test/models/customer.dart',
   'test/models/leg.dart',
   'test/models/tree.dart',
   'test/models/user.dart'