using Microsoft.EntityFrameworkCore.Migrations; #nullable disable namespace JiShe.IoT.Migrations { /// public partial class udpate202512191347 : Migration { /// protected override void Up(MigrationBuilder migrationBuilder) { migrationBuilder.AddColumn( name: "IoTPlatformRawFieldDataType", table: "ServiceProIoTPlatformThingModelInfo", type: "varchar(64)", maxLength: 64, nullable: true, comment: "物联网平台中对应的产品物模型属性或者事件数据类型") .Annotation("MySql:CharSet", "utf8mb4"); migrationBuilder.AlterColumn( name: "IoTPlatformRawFieldDataType", table: "ServiceProDeviceThingModelPropertylInfo", type: "varchar(20)", maxLength: 20, nullable: true, comment: "物联网平台中对应的产品物模型属性或者事件数据类型", oldClrType: typeof(string), oldType: "varchar(20)", oldMaxLength: 20, oldComment: "物联网平台中对应的产品物模型属性或者事件数据类型") .Annotation("MySql:CharSet", "utf8mb4") .OldAnnotation("MySql:CharSet", "utf8mb4"); } /// protected override void Down(MigrationBuilder migrationBuilder) { migrationBuilder.DropColumn( name: "IoTPlatformRawFieldDataType", table: "ServiceProIoTPlatformThingModelInfo"); migrationBuilder.UpdateData( table: "ServiceProDeviceThingModelPropertylInfo", keyColumn: "IoTPlatformRawFieldDataType", keyValue: null, column: "IoTPlatformRawFieldDataType", value: ""); migrationBuilder.AlterColumn( name: "IoTPlatformRawFieldDataType", table: "ServiceProDeviceThingModelPropertylInfo", type: "varchar(20)", maxLength: 20, nullable: false, comment: "物联网平台中对应的产品物模型属性或者事件数据类型", oldClrType: typeof(string), oldType: "varchar(20)", oldMaxLength: 20, oldNullable: true, oldComment: "物联网平台中对应的产品物模型属性或者事件数据类型") .Annotation("MySql:CharSet", "utf8mb4") .OldAnnotation("MySql:CharSet", "utf8mb4"); } } }