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EFCore.BulkExtensions 支持 SQLServer, PostgreSQL, MySQL, SQLite.
EFCore.BulkExtension 支持高性能的批量操作,包括 插入、更新、删除、读取、更新插入、保存等等。 如何使用?
首先使用 Nuget 安装 EFCore.BulkExtensions。
Install-Package EFCore.BulkExtensions
批量操作示例
context.BulkInsert(entities);
context.BulkInsertOrUpdate(entities);
context.BulkInsertOrUpdateOrDelete(entities);
context.BulkUpdate(entities);
context.BulkDelete(entities);
context.BulkRead(entities);
context.BulkSaveChanges();
异步版本
context.BulkInsertAsync(entities);
context.BulkInsertOrUpdateAsync(entities); //Upsert
context.BulkInsertOrUpdateOrDeleteAsync(entiti);//Sync
context.BulkUpdateAsync(entities);
context.BulkDeleteAsync(entities);
context.BulkReadAsync(entities);
context.BulkSaveChangesAsync();
搭配 EF Core 使用
// 删除
context.Items.Where(a => a.ItemId > 500).BatchDelete();
context.Items.Where(a => a.ItemId > 500).BatchDeleteAsync();
// 更新
context.Items.Where(a => a.ItemId <= 500).BatchUpdate(a => new Item { Quantity = a.Quantity + 100});
context.Items.Where(a => a.ItemId <= 500).BatchUpdateAsync(a => new Item {Quantity=a.Quantity+100});
// can be as value '+100' or as variable '+incrementStep' (int incrementStep = 100;)
// 更新
context.Items.Where(a => a.ItemId <= 500).BatchUpdate(new Item { Description = "Updated" });
context.Items.Where(a => a.ItemId <= 500).BatchUpdateAsync(new Item { Description = "Updated" });
// Truncate
context.Truncate<Entity>();
context.TruncateAsync<Entity>();
项目地址
github.com/borisdj/EFCore.BulkExtensions