// Dapper Plus

// Doc: https://dapper-plus.net/bulk-insert

​

// @nuget: Dapper

// @nuget: Microsoft.Data.SqlClient

// @nuget: Z.Dapper.Plus

​

using System.Collections.Generic;

using System.ComponentModel.DataAnnotations;

using System.ComponentModel.DataAnnotations.Schema;

using Microsoft.Data.SqlClient;

using Dapper;

using Z.Dapper.Plus;

​

public class Program

{   

    public static void Main()

    {

        // MappingKey + Map

        DapperPlusManager.Entity<Product>("InsertName_WithMap")

            .Table("Product")

            .Identity(x => x.ProductID)

            .Map(x => new { x.Name });

        DapperPlusManager.Entity<Product>("InsertName_With_ColumnPrimaryKeyExpression")

            .Table("Product")

            // You cannot mix mapping from Fluent API + mapping through options

            .UseBulkOptions(options => {

                options.ColumnPrimaryKeyExpression = x => new { x.ProductID };

                options.ColumnInputExpression = x => new { x.Name };

            });

        DapperPlusManager.Entity<Product>("InsertName_With_ColumnInputNames")

            .Table("Product")

            // You cannot mix mapping from Fluent API + mapping through options

            .UseBulkOptions(options => {

                options.ColumnPrimaryKeyExpression = x => new { x.ProductID };

                options.ColumnInputNames = new List<string>() { nameof(Product.Name) };

            });

        var products = new List<Product>();

        products.Add(new Product() { Name = "Dapper Plus", Description = @"Use <a href=""https://dapper-plus.net/"" target=""_blank"">Dapper Plus</a> to extend your IDbConnection with high-performance bulk operations." });

        products.Add(new Product() { Name = "C# Eval Expression", Description = @"Use <a href=""https://eval-expression.net/"" target=""_blank"">C# Eval Expression</a> to compile and execute C# code at runtime." });

        products.Add(new Product() { Name = "Entity Framework Extensions", Description = @"Use <a href=""https://entityframework-extensions.net/"" target=""_blank"">Entity Framework Extensions</a> to extend your DbContext with high-performance bulk operations." });

        var connection = new SqlConnection(FiddleHelper.GetConnectionStringSqlServer());

        connection.CreateTable<Product>();

        // InsertName_WithMap

        connection.BulkInsert("InsertName_WithMap", products);

        // InsertName_With_ColumnPrimaryKeyExpression

        connection.BulkInsert("InsertName_With_ColumnPrimaryKeyExpression", products);

​

        // InsertName_With_ColumnInputNames

        connection.BulkInsert("InsertName_With_ColumnInputNames", products);

        FiddleHelper.WriteTable(connection.Query<Product>("SELECT * FROM Product"));

    }

    [Table("Product")]

    public class Product

    {

        [Key]

        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]

        public int ProductID { get; set; }

        public string Name { get; set; }

        public string Description { get; set; }

    }

}