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SqfEntity ORM for Flutter/Dart lets you build and execute SQL commands easily and quickly with the help of fluent methods similar to .Net Entity Framework. Do easily and faster adding tables, adding c [...]

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sqfentity #

Sqf Entity ORM Preview

Getting Started #

SqfEntity is based on SQFlite plugin and lets you build and execute SQL commands easily and quickly with the help of fluent methods similar to .Net Entity Framework

Leave the job to SqfEntitiy for CRUD operations. Do easily and faster adding tables, adding columns, defining multiple tables, soft deleting, recovery, syncronize data from the web and more with the help of SqfEntityTable class.

If you have a bundled database, you can use it or EntityBase will create a new database automatically for you.

Open downloaded folder named sqfentity-master in VSCode and Click "Get Packages" button in the alert window that "Some packages are missing or out of date, would you like to get them now?"

Create a new Database Model #

First, create your dbmodel.dart file to define your model and import sqfentity.dart

import 'package:sqfentity/sqfentity.dart';

STEP 1: define your tables as shown in the example Classes below. For example, we have created 3 tables for category,product and todo that extended from "SqfEntityTable" as follows:

Table 1: Category

class TableCategory extends SqfEntityTable {
  static SqfEntityTable _instance;
  static SqfEntityTable get getInstance {
    if (_instance == null) _instance = TableCategory();
    return _instance;
  }

  TableCategory() {

    tableName = "category";
    modelName = null; // when the modelName (class name) is null then EntityBase uses TableName instead of modelName
    primaryKeyName = "id";
    primaryKeyisIdentity = true;
    useSoftDeleting = true;

    fields = [
      SqfEntityField("name", DbType.text),
      SqfEntityField("isActive", DbType.bool, defaultValue: "true")
    ];

    super.init();
  }
}

If useSoftDeleting is true then, The builder engine creates a field named "isDeleted" on the table. When item was deleted then this field value is changed to "1" (does not hard delete) in this case it is possible to recover a deleted item using the recover() method. If the modelName (class name) is null then EntityBase uses TableName instead of modelName

Table 2: Product

  class TableProduct extends SqfEntityTable {

  static SqfEntityTable _instance;
  static SqfEntityTable get getInstance {
  if (_instance == null) _instance = TableProduct();
  return _instance;
  }

  TableProduct() {

  tableName = "product";
  primaryKeyName = "id";
  useSoftDeleting = true;
  
  // declare fields
  fields = [
      SqfEntityField("name", DbType.text),
      SqfEntityField("description", DbType.text),
      SqfEntityField("price", DbType.real, defaultValue: "0"),
      SqfEntityField("isActive", DbType.bool, defaultValue: "true"),
      SqfEntityFieldRelationship(TableCategory.getInstance, DeleteRule.CASCADE, defaultValue: "0"), // Relationship column for CategoryId of Product
      SqfEntityField("rownum", DbType.integer, defaultValue: "0"),
    ];
  super.init();
  }
  }

If this table (Product) is the child of a parent table (Category), you must declare the SqfEntityFieldRelationship column into fields for Object Relational Mapping. You can choose one of the following for DeleteRule: CASCADE, NO ACTION, SET NULL, SET DEFAULT VALUE For more information about the rules Click here

Table 3: Todo

This table is for creating a synchronization with json data from the web url
class TableTodo extends SqfEntityTable {
  static SqfEntityTable __instance;
  static SqfEntityTable get getInstance {
    if (__instance == null) __instance = TableTodo();
    return __instance;
  }

  TableTodo() {
    // declare properties of EntityTable
    tableName = "todos";
    modelName =
        null; // when the modelName (class name) is null then EntityBase uses TableName instead of modelName
    primaryKeyName = "id";
    useSoftDeleting = false;
    primaryKeyisIdentity = false;
    defaultJsonUrl = "https://jsonplaceholder.typicode.com/todos"; // optional: to synchronize your table with json data from webUrl

    fields = [
      SqfEntityField("userId", DbType.integer),
      SqfEntityField("title", DbType.text),
      SqfEntityField("completed", DbType.bool, defaultValue: "false")
    ];

    super.init();
  }
}

2. Add your table objects you defined above to your dbModel #

STEP 2: Create your Database Model to be extended from SqfEntityModel Note: SqfEntity provides support for the use of multiple databases. So you can create many Database Models and use them in your application.

  class MyDbModel extends SqfEntityModel {
  
     MyDbModel() {
     
     databaseName = "sampleORM.db";
     bundledDatabasePath = null; // ex: "assets/sample.db"; 
     
     // put defined tables into the list.
     databaseTables = [ TableProduct.getInstance,  TableCategory.getInstance,  TableTodo.getInstance  ];        
  
     }
  }

That's all.. one more step left for create models.dart file. #

bundledDatabasePath is optional. When bundledDatabasePath is empty then EntityBase creats a new database when initializing the database

ATTENTION: Defining the tables here provides automatic processing for database configuration only. Use the following function to create your model and use it in your project

To get the your classes (models) from the clipboard, just type

MyDbModel.createModel();

This function sets the Clipboard text that includes your classes (After debugging, press Ctrl+V to paste the model from the Clipboard) That's all.. You can paste your model in your .dart file by pressing Ctrl+V for PC or Command+V for Mac and reference it where you wish to use.

Database initializer async method #

When the software/app is started, you must check the database was it initialized. If needed, initilizeDb method runs that CREATE TABLE / ALTER TABLE ADD COLUMN queries for you.

   MyDbModel().initializeDB((result) {
     if (result == true)  
     {
        runSamples();
       // TO DO
       // ex: runApp(MyApp());
       //
     }
  });

If result is true, the database is ready to use

That's Great! now we can use our created new model named "Product" #

See sample usage of sqf below #

To run this statement "SELECT * FROM PRODUCTS" Try below:

  Product().Select().toList((productList){
     for(product in productList)
     {
        print(product.toMap());
     } 
   });

To run this statement "SELECT * FROM PRODUCTS WHERE id=5" There are two way for this statement

The First is:

   Product().getById(5, (product) {
        print(product.toMap());
   });

Second one is:

  Product().Select().id.equals(5).toSingle( (product) {
        print(product.toMap());
   });

SELECT FIELDS, ORDER BY EXAMPLES #

EXAMPLE 1.2: ORDER BY FIELDS ex: SELECT * FROM PRODUCTS ORDER BY name, price DESC, id 
        -> Product().select().orderBy("name").orderByDesc("price").orderBy("id").toList()

EXAMPLE 1.3: SELECT SPECIFIC FIELDS ex: SELECT name,price FROM PRODUCTS ORDER BY price DESC 
        -> Product().select(columnsToSelect: ["name","price"]).orderByDesc("price").toList()

SELECT AND FILTER EXAMPLES: #

EXAMPLE 2.1: EQUALS ex: SELECT * FROM PRODUCTS WHERE isActive=1 
->  Product().select().isActive.equals(true).toList()

EXAMPLE 2.2: WHERE field IN (VALUES) ex: SELECT * FROM PRODUCTS WHERE ID IN (3,6,9) 
        -> Product().select().id.inValues([3,6,9]).toList()

EXAMPLE 2.3: BRACKETS ex: SELECT TOP 1 * FROM PRODUCTS WHERE price>10000 AND (description LIKE '%256%' OR description LIKE '512%') 
        -> Product().select().price.greaterThan(10000).and.startBlock.description.contains("256").or.description.startsWith("512").endBlock.toSingle((product){ // TO DO })

EXAMPLE 2.4: BRACKETS 2 ex: SELECT name,price FROM PRODUCTS WHERE price <=10000 AND (description LIKE '%128%' OR description LIKE '%GB') 
        -> Product().select(columnsToSelect:["name","price"]).price.lessThanOrEquals(10000).and.startBlock.description.contains("128").or.description.endsWith("GB").endBlock.toList();

EXAMPLE 2.5: NOT EQUALS ex: SELECT * FROM PRODUCTS WHERE ID <> 11 
        -> Product().select().id.not.equals(11).toList();
        
EXAMPLE 2.6: GREATERTHEN OR EQUALS, LESSTHAN OR EQUALS ex: SELECT * FROM PRODUCTS WHERE price>=10000 AND price<=13000 
        -> Product().select().price.greaterThanOrEquals(10000).and.price.lessThanOrEquals(13000).toList();        

EXAMPLE 2.7: BETWEEN ex: SELECT * FROM PRODUCTS WHERE price BETWEEN 8000 AND 14000 
        -> Product().select().price.between(8000,14000).orderBy("price").toList();

EXAMPLE 2.8: 'NOT' KEYWORD ex: SELECT * FROM PRODUCTS WHERE NOT id>5 
        -> Product().select().id.not.greaterThan(5).toList();

WRITE CUSTOM SQL FILTER #

EXAMPLE 2.9: WRITING CUSTOM FILTER IN WHERE CLAUSE ex: SELECT * FROM PRODUCTS WHERE id IN (3,6,9) OR price>8000 
        -> Product().select().where("id IN (3,6,9) OR price>8000").toList()

EXAMPLE 2.10: Build filter and query from values from the form
 -> Product().select().price.between(minPrice, maxPrice).and.name.contains(nameFilter).and.description.contains(descFilter).toList()

SELECT WITH DELETED ITEMS (SOFT DELETE WHEN USED) #

EXAMPLE 2.11: EXAMPLE 1.13: Select products with deleted items
        -> Product().select(getIsDeleted: true).toList()

EXAMPLE 2.12: Select products only deleted items 
        -> Product().select(getIsDeleted: true).isDeleted.equals(true).toList()

LIMITATION, PAGING #

EXAMPLE 3.1: LIMITATION SELECT TOP 3 * FROM PRODUCTS ORDER BY price DESC 
        -> Product().select().orderByDesc("price").top(3).toList()

EXAMPLE 3.2: PAGING: PRODUCTS in 3. page (5 items per page) 
        -> Product().select().page(3,5).toList()

DISTINCT #

EXAMPLE 4.1: DISTINCT: SELECT DISTINCT name FROM PRODUCTS WHERE price > 3000 
        -> Product().distinct(columnsToSelect:["name").price.greaterThan(3000).toList();

GROUP BY #

EXAMPLE 4.2: GROUP BY WITH SCALAR OR AGGREGATE FUNCTIONS
SELECT name, COUNT(id) AS Count, MIN(price) AS minPrice, MAX(price) AS maxPrice, AVG(price) AS avgPrice,ProductFields.price.sum("sumPrice") FROM PRODUCTS GROUP BY name 
-> Product().select(
    columnsToSelect: [ProductFields.name.toString(), 
                      ProductFields.id.count("Count"),
                      ProductFields.price.min("minPrice"), 
                      ProductFields.price.max("maxPrice"), 
                      ProductFields.price.avg("avgPrice"))
                      .groupBy(ProductFields.name.toString())
                      .toListObject()

RELATIONSHIPS #

EXAMPLE 7.1: goto Category from Product 

Product().getById(1, (product) {
    product.category((_category) {
    print(_category.toMap());
    });
});


Results:
{id: 1, name: Notebooks, isActive: true, isDeleted: false}


EXAMPLE 7.2: Products of 'Notebooks Category' listing 

Category().getById(1, (category) {

    category.getProducts((productList) {
        for(var product in productList)
            print(product.toMap());
    });
    
});

Results: Products of 'Notebooks' listing 9 matches found:
{id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 1, isDeleted: false}
{id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
....

These were just a few samples. You can download and review dozens of examples written below

save() Method for insert or update (for both) #

Product({name:"test product"}).save(); // inserts a new record if id is null or equals to zero
Product({id:1, name:"test product"}).save(); // updates record

saveAll() Method for insert or update List (for both) #

var productList= List<Product>();
// TO DO.. add products to list

// Save All products in the List
Product().saveAll(productList).then((results) {
    for (var result in results) 
    print(result.toString());  
  });

upsertAll() Method for insert or update List (for both) #

Note: upsertAll() method is faster then saveAll() method. upsertAll() should be used when you are sure that the primary key is greater than zero

var productList= List<Product>();
// TO DO.. add products to list with ID (ID>0) (primary key must be greater then 0)

// Upsert All products in the List
Product().upsertAll(productList).then((results) {
    for (var result in results) 
    print(result.toString());  
  });

UPDATE multiple records with query #

EXAMPLE 5.1: UPDATE PRODUCT SET isActive=0 WHERE ID>=10

Product().select().id.greaterThan(10).update({"isActive": 0}).then((result) {
       print(result.toString());
  });

DELETE multiple records with query #

EXAMPLE 6.4: DELETE PRODUCT WHERE ID>17

Product().select().id.greaterThan(17).delete().then((result) {
       print(result.toString());
  });

Syncronize data from the web #

EXAMPLE 8.2: Fill List from web with Url (JSON data) and saveAll Todo.fromWebUrl("URL",(todosList){}) method gets json data from the web and loads into the todosList and then Todo().saveAll(todosList) method saves all data in your local database

Todo.fromWebUrl("https://jsonplaceholder.typicode.com/todos",(todosList){
    Todo().saveAll(todosList).then((results) {
      //for (var res in results) print(res.toString()); // print upsert Results
      Todo().select().top(10).toList((todoList) {
        print(
            "EXAMPLE 8.2: Fill List from web with Url (JSON data) and upsertAll \n -> Todo.fromWebUrl(\"https://jsonplaceholder.typicode.com/todos\", (todosList) {}");
        print(todoList.length.toString() + " matches found\n");
        for (var todo in todoList) {
          print(todo.toMap());
        }
        print(
            "---------------------------------------------------------------\n\n");
      });
    });
  });
}

See the following examples in main.dart for sample model use #

  // SELECT AND ORDER PRODUCTS BY FIELDS
  samples1();

  // FILTERS: SOME FILTERS ON PRODUCTS
  samples2();

  // LIMITATIONS: PAGING, TOP X ROW
  samples3();

  // DISTINCT, GROUP BY with SQL AGGREGATE FUNCTIONS,
  samples4();

  // UPDATE BATCH, UPDATE OBJECT
  samples5();

  // DELETE BATCH, DELETE OBJECT
  samples6();

main.dart includes a lot of samples that you need #

Running the main.dart should show the following result at DEBUG CONSOLE: #

flutter: >>>>>>>>>>>>>>>>>>>>>>>>>>>> SqfEntityTable of 'category' initialized successfuly
flutter: >>>>>>>>>>>>>>>>>>>>>>>>>>>> SqfEntityTable of 'product' initialized successfuly
flutter: SQFENTITIY: [databaseTables] Model was successfully created. Create models.dart file in your project and press Ctrl+V to paste the model from the Clipboard
flutter: sampleORM.db successfully created
flutter: SQFENTITIY: Table named 'product' was initialized successfuly with create new table'
flutter: SQFENTITIY: Table named 'category' was initialized successfuly with create new table'
flutter: SQFENTITIY: The database is ready for use
flutter:
flutter: added 15 new products
flutter: added 5 dummy products
flutter:
flutter: LISTING CATEGORIES -> Category().select().toList()
flutter: 2 matches found:
flutter: {id: 1, name: Notebooks, isActive: true, isDeleted: false}
flutter: {id: 2, name: Ultrabooks, isActive: true, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter: EXAMPLE 6.2: delete product by query filder
flutter:  -> Product().select().id.equals(16).delete();
flutter: 1 items updated
flutter: ---------------------------------------------------------------
flutter:
flutter: SQFENTITIY: delete Product invoked (id=17)
flutter: EXAMPLE 6.4: Delete many products by filter
flutter:  -> Product().select().id.greaterThan(17).delete()
flutter: 3 items updated
flutter: ---------------------------------------------------------------
flutter:
flutter: SQFENTITIY: delete Product invoked (id=17)
flutter: EXAMPLE 6.6: Recover many products by filter
flutter:  -> Product().select().id.greaterThan(17).recover()
flutter: 3 items updated
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.1: SELECT ALL ROWS WITHOUT FILTER ex: SELECT * FROM PRODUCTS
flutter:  -> Product().select().toList()
flutter: 19 matches found:
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 17, name: Product 2, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 18, name: Product 3, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 19, name: Product 4, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 20, name: Product 5, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.2: ORDER BY FIELDS ex: SELECT * FROM PRODUCTS ORDER BY name, price DESC, id
flutter: -> Product().select().orderBy("name").orderByDesc("price").orderBy("id").toList()
flutter: 19 matches found:
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 17, name: Product 2, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 18, name: Product 3, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 19, name: Product 4, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 20, name: Product 5, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.3: SELECT SPECIFIC FIELDS ex: SELECT name,price FROM PRODUCTS ORDER BY price DESC
flutter: -> Product().select(columnsToSelect: ["name","price"]).orderByDesc("price").toList()
flutter: 19 matches found:
flutter: {name: Ultrabook 15", price: 14000.0}
flutter: {name: Ultrabook 13", price: 13000.0}
flutter: {name: Ultrabook 15", price: 12000.0}
flutter: {name: Notebook 15", price: 11999.0}
flutter: {name: Ultrabook 13", price: 11154.0}
flutter: {name: Notebook 13", price: 11000.0}
flutter: {name: Ultrabook 15", price: 11000.0}
flutter: {name: Notebook 15", price: 10499.0}
flutter: {name: Ultrabook 13", price: 9954.0}
flutter: {name: Notebook 13", price: 9900.0}
flutter: {name: Notebook 12", price: 9214.0}
flutter: {name: Notebook 15", price: 8999.0}
flutter: {name: Notebook 13", price: 8500.0}
flutter: {name: Notebook 12", price: 8244.0}
flutter: {name: Notebook 12", price: 6899.0}
flutter: {name: Product 2, price: 0.0}
flutter: {name: Product 3, price: 0.0}
flutter: {name: Product 4, price: 0.0}
flutter: {name: Product 5, price: 0.0}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter: EXAMPLE 1.4: EQUALS ex: SELECT * FROM PRODUCTS WHERE isActive=1
flutter: ->  Product().select().isActive.equals(true).toList()
flutter: 16 matches found:
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 17, name: Product 2, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 18, name: Product 3, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 19, name: Product 4, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 20, name: Product 5, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.5: WHERE field IN (VALUES) ex: SELECT * FROM PRODUCTS WHERE ID IN (3,6,9)
flutter:  -> Product().select().id.inValues([3,6,9]).toList()
flutter: 3 matches found:
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.6: BRACKETS ex: SELECT TOP 1 * FROM PRODUCTS WHERE price>10000 AND (description LIKE '%256%' OR description LIKE '512%')
flutter:  -> Product().select().price.greaterThan(10000).and.startBlock.description.contains("256").or.description.startsWith("512").endBlock.toSingle((product){ // TO DO })
flutter: Toplam 1 sonuç listeleniyor:
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.7: BRACKETS 2 ex: SELECT name,price FROM PRODUCTS WHERE price <=10000 AND (description LIKE '%128%' OR description LIKE '%GB')
flutter:  -> Product().select(columnsToSelect:["name","price"]).price.lessThanOrEquals(10000).and.startBlock.description.contains("128").or.description.endsWith("GB").endBlock.toList();
flutter: 4 matches found:
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.8: NOT EQUALS ex: SELECT * FROM PRODUCTS WHERE ID <> 11
flutter:  -> Product().select().id.not.equals(11).toList();
flutter: 18 matches found:
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 17, name: Product 2, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 18, name: Product 3, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 19, name: Product 4, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 20, name: Product 5, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.9: GREATERTHEN OR EQUALS, LESSTHAN OR EQUALS ex: SELECT * FROM PRODUCTS WHERE price>=10000 AND price<=13000
flutter:  -> Product().select().price.greaterThanOrEquals(10000).and.price.lessThanOrEquals(13000).toList();
flutter: 7 matches found:
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.10: BETWEEN ex: SELECT * FROM PRODUCTS WHERE price BETWEEN 8000 AND 14000
flutter:  -> Product().select().price.between(8000,14000).orderBy("price").toList();
flutter: 14 matches found:
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.11: 'NOT' KEYWORD ex: SELECT * FROM PRODUCTS WHERE NOT id>5
flutter:  -> Product().select().id.not.greaterThan(5).toList();
flutter: 5 matches found:
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.12: WRITING CUSTOM FILTER IN WHERE CLAUSE ex: SELECT * FROM PRODUCTS WHERE id IN (3,6,9) OR price>8000
flutter:  -> Product().select().where("id IN (3,6,9) OR price>8000").toList()
flutter: 14 matches found:
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.13: Product().select().price.between(8000, 10000).and.name.contains("13").and.description.contains("SSD").toList()
flutter: 3 matches found:
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.14: EXAMPLE 1.13: Select products with deleted items
flutter:  -> Product().select(getIsDeleted: true).toList()
flutter: 20 matches found:
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: false, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 16, name: Product 1, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: true}
flutter: {id: 17, name: Product 2, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 18, name: Product 3, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 19, name: Product 4, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: {id: 20, name: Product 5, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 1.15: Select products only deleted items
flutter:  -> Product().select(getIsDeleted: true).isDeleted.equals(true).toList()
flutter: 1 matches found:
flutter: {id: 16, name: Product 1, description: , price: 0.0, isActive: true, categoryId: 0, rownum: 0, isDeleted: true}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 3.1: LIMITATION ex: SELECT TOP 3 * FROM PRODUCTS ORDER BY price DESC
flutter:  -> Product().select().orderByDesc("price").top(3).toList()
flutter: 3 matches found:
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 3.2: SAMPLE PAGING ex: PRODUCTS in 3. page (5 items per page)
flutter:  -> Product().select().page(3,5).toList()
flutter: 5 matches found:
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 4.1: DISTINCT ex: SELECT DISTINCT name FROM PRODUCTS WHERE price > 3000
flutter:  -> Product().distinct(columnsToSelect:["name").price.greaterThan(3000).toList();
flutter: 5 matches found:
flutter: {name: Notebook 12"}
flutter: {name: Notebook 13"}
flutter: {name: Notebook 15"}
flutter: {name: Ultrabook 13"}
flutter: {name: Ultrabook 15"}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 4.2: GROUP BY WITH SCALAR OR AGGREGATE FUNCTIONS ex: SELECT name, COUNT(id) AS Count, MIN(price) AS minPrice, MAX(price) AS maxPrice, AVG(price) AS avgPrice,ProductFields.price.sum("sumPrice") FROM PRODUCTS GROUP BY name
flutter: -> Product().select(columnsToSelect: [ProductFields.name.toString(), ProductFields.id.count("Count"), ProductFields.price.min("minPrice"), ProductFields.price.max("maxPrice"), ProductFields.price.avg("avgPrice")).groupBy(ProductFields.name.toString()).toListObject()
flutter: 9 matches found:
flutter: {name: Notebook 12", Count: 3, minPrice: 6899.0, maxPrice: 9214.0, avgPrice: 8119.0, sumPrice: 24357.0}
flutter: {name: Notebook 13", Count: 3, minPrice: 8500.0, maxPrice: 11000.0, avgPrice: 9800.0, sumPrice: 29400.0}
flutter: {name: Notebook 15", Count: 3, minPrice: 8999.0, maxPrice: 11999.0, avgPrice: 10499.0, sumPrice: 31497.0}
flutter: {name: Product 2, Count: 1, minPrice: 0.0, maxPrice: 0.0, avgPrice: 0.0, sumPrice: 0.0}
flutter: {name: Product 3, Count: 1, minPrice: 0.0, maxPrice: 0.0, avgPrice: 0.0, sumPrice: 0.0}
flutter: {name: Product 4, Count: 1, minPrice: 0.0, maxPrice: 0.0, avgPrice: 0.0, sumPrice: 0.0}
flutter: {name: Product 5, Count: 1, minPrice: 0.0, maxPrice: 0.0, avgPrice: 0.0, sumPrice: 0.0}
flutter: {name: Ultrabook 13", Count: 3, minPrice: 9954.0, maxPrice: 13000.0, avgPrice: 11369.333333333334, sumPrice: 34108.0}
flutter: {name: Ultrabook 15", Count: 3, minPrice: 11000.0, maxPrice: 14000.0, avgPrice: 12333.333333333334, sumPrice: 37000.0}
flutter: ---------------------------------------------------------------
flutter: EXAMPLE 5.1: Update multiple records with query
flutter:  -> Product().select().id.greaterThan(10).update({"isActive": 0});
flutter: 9 items updated
flutter: ---------------------------------------------------------------
flutter:
flutter: EXAMPLE 5.2: uUpdate multiple records with query
flutter:  -> Product().select().id.lessThanOrEquals(10).update({"isActive": 1});
flutter: 10 items updated
flutter: ---------------------------------------------------------------
flutter:
flutter: ---------------------------------------------------------------
flutter:
flutter:
I/chatty  (25427): uid=10085(com.example.sqfentity) 1.ui identical 2 lines
flutter:
flutter: EXAMPLE 6.3: delete product if exist
flutter:  -> if (product != null) Product.delete();
flutter: 1 items updated
flutter: ---------------------------------------------------------------
flutter:
flutter: EXAMPLE 6.5: recover product if exist
flutter:  -> if (product != null) Product.recover();
flutter: 1 items updated
flutter: ---------------------------------------------------------------
flutter:
flutter: EXAMPLE 5.3: id=15 Product item updated: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7 (updated), price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: EXAMPLE 7.1: goto Category Object from Product
flutter: -> Product.getCategory((_category) {});
flutter: The category of 'Notebook 12"' is: {id: 1, name: Notebooks, isActive: true, isDeleted: false}
flutter:
flutter:
flutter: EXAMPLE 7.2.1: Products of 'Notebooks' listing
flutter: -> category.getProducts((productList) {});
flutter: 9 matches found:
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 1, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter: EXAMPLE 7.2.2: Products of 'Ultrabooks' listing
flutter: -> category.getProducts((productList) {});
flutter: 6 matches found:
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: false, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: false, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: false, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: false, categoryId: 2, rownum: 0, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7 (updated), price: 14000.0, isActive: true, categoryId: 2, rownum: 0, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter: EXAMPLE 5.4: update some filtered products with saveAll method
flutter:  -> Product().saveAll(productList){});
flutter:  List<BoolResult> result of saveAll method is following:
flutter: id=1 upserted successfuly
flutter: id=2 upserted successfuly
flutter: id=3 upserted successfuly
flutter: id=4 upserted successfuly
flutter: id=5 upserted successfuly
flutter: id=6 upserted successfuly
flutter: id=7 upserted successfuly
flutter: id=8 upserted successfuly
flutter: id=9 upserted successfuly
flutter: id=10 upserted successfuly
flutter: id=11 upserted successfuly
flutter: id=12 upserted successfuly
flutter: id=13 upserted successfuly
flutter: id=14 upserted successfuly
flutter: id=15 upserted successfuly
flutter: id=17 upserted successfuly
flutter: id=18 upserted successfuly
flutter: id=19 upserted successfuly
flutter: id=20 upserted successfuly
flutter: ---------------------------------------------------------------
flutter: EXAMPLE 5.4: listing saved products (set rownum=i) with saveAll method;
flutter: {id: 1, name: Notebook 12", description: 128 GB SSD i7, price: 6899.0, isActive: true, categoryId: 1, rownum: 1, isDeleted: false}
flutter: {id: 2, name: Notebook 12", description: 256 GB SSD i7, price: 8244.0, isActive: true, categoryId: 1, rownum: 2, isDeleted: false}
flutter: {id: 3, name: Notebook 12", description: 512 GB SSD i7, price: 9214.0, isActive: true, categoryId: 1, rownum: 3, isDeleted: false}
flutter: {id: 4, name: Notebook 13", description: 128 GB SSD, price: 8500.0, isActive: true, categoryId: 1, rownum: 4, isDeleted: false}
flutter: {id: 5, name: Notebook 13", description: 256 GB SSD, price: 9900.0, isActive: true, categoryId: 1, rownum: 5, isDeleted: false}
flutter: {id: 6, name: Notebook 13", description: 512 GB SSD, price: 11000.0, isActive: true, categoryId: 1, rownum: 6, isDeleted: false}
flutter: {id: 7, name: Notebook 15", description: 128 GB SSD, price: 8999.0, isActive: true, categoryId: 1, rownum: 7, isDeleted: false}
flutter: {id: 8, name: Notebook 15", description: 256 GB SSD, price: 10499.0, isActive: true, categoryId: 1, rownum: 8, isDeleted: false}
flutter: {id: 9, name: Notebook 15", description: 512 GB SSD, price: 11999.0, isActive: true, categoryId: 1, rownum: 9, isDeleted: false}
flutter: {id: 10, name: Ultrabook 13", description: 128 GB SSD i5, price: 9954.0, isActive: true, categoryId: 2, rownum: 10, isDeleted: false}
flutter: {id: 11, name: Ultrabook 13", description: 256 GB SSD i5, price: 11154.0, isActive: false, categoryId: 2, rownum: 11, isDeleted: false}
flutter: {id: 12, name: Ultrabook 13", description: 512 GB SSD i5, price: 13000.0, isActive: false, categoryId: 2, rownum: 12, isDeleted: false}
flutter: {id: 13, name: Ultrabook 15", description: 128 GB SSD i7, price: 11000.0, isActive: false, categoryId: 2, rownum: 13, isDeleted: false}
flutter: {id: 14, name: Ultrabook 15", description: 256 GB SSD i7, price: 12000.0, isActive: false, categoryId: 2, rownum: 14, isDeleted: false}
flutter: {id: 15, name: Ultrabook 15", description: 512 GB SSD i7, price: 14000.0, isActive: false, categoryId: 2, rownum: 15, isDeleted: false}
flutter: {id: 17, name: Product 2, description: , price: 0.0, isActive: false, categoryId: 0, rownum: 16, isDeleted: false}
flutter: {id: 18, name: Product 3, description: , price: 0.0, isActive: false, categoryId: 0, rownum: 17, isDeleted: false}
flutter: {id: 19, name: Product 4, description: , price: 0.0, isActive: false, categoryId: 0, rownum: 18, isDeleted: false}
flutter: {id: 20, name: Product 5, description: , price: 0.0, isActive: false, categoryId: 0, rownum: 19, isDeleted: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter: EXAMPLE 8.2: Fill List from web with Url (JSON data) and upsertAll
flutter:  -> Todo.fromWebUrl("https://jsonplaceholder.typicode.com/todos", (todosList) {}
flutter: 10 matches found
flutter: {id: 1, userId: 1, title: delectus aut autem, completed: false}
flutter: {id: 2, userId: 1, title: quis ut nam facilis et officia qui, completed: false}
flutter: {id: 3, userId: 1, title: fugiat veniam minus, completed: false}
flutter: {id: 4, userId: 1, title: et porro tempora, completed: false}
flutter: {id: 5, userId: 1, title: laboriosam mollitia et enim quasi adipisci quia provident illum, completed: false}
flutter: {id: 6, userId: 1, title: qui ullam ratione quibusdam voluptatem quia omnis, completed: false}
flutter: {id: 7, userId: 1, title: illo expedita consequatur quia in, completed: false}
flutter: {id: 8, userId: 1, title: quo adipisci enim quam ut ab, completed: false}
flutter: {id: 9, userId: 1, title: molestiae perspiciatis ipsa, completed: false}
flutter: {id: 10, userId: 1, title: illo est ratione doloremque quia maiores aut, completed: false}
flutter: ---------------------------------------------------------------
flutter:
flutter:
flutter:
flutter: EXAMPLE 8.1: Fill List from web (JSON data) and upsertAll
flutter:  -> Todo.fromWeb((todosList) {}
flutter: 10 matches found
flutter: {id: 1, userId: 1, title: delectus aut autem, completed: false}
flutter: {id: 2, userId: 1, title: quis ut nam facilis et officia qui, completed: false}
flutter: {id: 3, userId: 1, title: fugiat veniam minus, completed: false}
flutter: {id: 4, userId: 1, title: et porro tempora, completed: false}
flutter: {id: 5, userId: 1, title: laboriosam mollitia et enim quasi adipisci quia provident illum, completed: false}
flutter: {id: 6, userId: 1, title: qui ullam ratione quibusdam voluptatem quia omnis, completed: false}
flutter: {id: 7, userId: 1, title: illo expedita consequatur quia in, completed: false}
flutter: {id: 8, userId: 1, title: quo adipisci enim quam ut ab, completed: false}
flutter: {id: 9, userId: 1, title: molestiae perspiciatis ipsa, completed: false}
flutter: {id: 10, userId: 1, title: illo est ratione doloremque quia maiores aut, completed: false}
flutter: ---------------------------------------------------------------

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SqfEntity ORM for Flutter/Dart lets you build and execute SQL commands easily and quickly with the help of fluent methods similar to .Net Entity Framework. Do easily and faster adding tables, adding columns, defining multiple tables, multiple databases etc. with the help of DbModel object.

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Dependencies

analyzer, cupertino_icons, flutter, http, intl, path, sqflite, synchronized

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