YD_SmartSports.Api/VOL.Core/Migrations/20260109063101_20260109v4.cs

using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace VOL.Core.Migrations
{
    public partial class _20260109v4 : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AlterColumn<string>(
                name: "SchoolCode",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: false,
                defaultValue: "",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)",
                oldNullable: true,
                oldComment: "学校编号");

            migrationBuilder.AlterColumn<string>(
                name: "GradeNo",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: false,
                defaultValue: "",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)",
                oldNullable: true,
                oldComment: "年级编号");

            migrationBuilder.AlterColumn<string>(
                name: "GradeName",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: false,
                defaultValue: "",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)",
                oldNullable: true,
                oldComment: "年级名称");

            migrationBuilder.AlterColumn<string>(
                name: "Code",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: false,
                defaultValue: "",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)",
                oldNullable: true,
                oldComment: "AI设备的唯一编码");

            migrationBuilder.AlterColumn<string>(
                name: "ClassNo",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: false,
                defaultValue: "",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)",
                oldNullable: true,
                oldComment: "班级编号");

            migrationBuilder.AlterColumn<string>(
                name: "ClassName",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: false,
                defaultValue: "",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)",
                oldNullable: true,
                oldComment: "班级名称");

            migrationBuilder.AlterColumn<long>(
                name: "Id",
                table: "JS_Class",
                type: "bigint",
                nullable: false,
                oldClrType: typeof(long),
                oldType: "bigint",
                oldComment: "Id")
                .Annotation("SqlServer:Identity", "1, 1")
                .OldAnnotation("SqlServer:Identity", "1, 1");

            migrationBuilder.AddColumn<long>(
                name: "GradeId",
                table: "JS_Class",
                type: "bigint",
                nullable: false,
                defaultValue: 0L);

            migrationBuilder.CreateTable(
                name: "JS_Grade",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    SchoolCode = table.Column<string>(type: "nvarchar(100)", nullable: false),
                    Code = table.Column<string>(type: "nvarchar(100)", nullable: false),
                    GradeNo = table.Column<string>(type: "nvarchar(100)", nullable: false),
                    GradeName = table.Column<string>(type: "nvarchar(100)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_JS_Grade", x => x.Id);
                });

            migrationBuilder.CreateIndex(
                name: "IX_JS_Class_GradeId",
                table: "JS_Class",
                column: "GradeId");

            migrationBuilder.AddForeignKey(
                name: "FK_JS_Class_JS_Grade_GradeId",
                table: "JS_Class",
                column: "GradeId",
                principalTable: "JS_Grade",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_JS_Class_JS_Grade_GradeId",
                table: "JS_Class");

            migrationBuilder.DropTable(
                name: "JS_Grade");

            migrationBuilder.DropIndex(
                name: "IX_JS_Class_GradeId",
                table: "JS_Class");

            migrationBuilder.DropColumn(
                name: "GradeId",
                table: "JS_Class");

            migrationBuilder.AlterColumn<string>(
                name: "SchoolCode",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: true,
                comment: "学校编号",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)");

            migrationBuilder.AlterColumn<string>(
                name: "GradeNo",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: true,
                comment: "年级编号",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)");

            migrationBuilder.AlterColumn<string>(
                name: "GradeName",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: true,
                comment: "年级名称",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)");

            migrationBuilder.AlterColumn<string>(
                name: "Code",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: true,
                comment: "AI设备的唯一编码",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)");

            migrationBuilder.AlterColumn<string>(
                name: "ClassNo",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: true,
                comment: "班级编号",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)");

            migrationBuilder.AlterColumn<string>(
                name: "ClassName",
                table: "JS_Class",
                type: "nvarchar(100)",
                nullable: true,
                comment: "班级名称",
                oldClrType: typeof(string),
                oldType: "nvarchar(100)");

            migrationBuilder.AlterColumn<long>(
                name: "Id",
                table: "JS_Class",
                type: "bigint",
                nullable: false,
                comment: "Id",
                oldClrType: typeof(long),
                oldType: "bigint")
                .Annotation("SqlServer:Identity", "1, 1")
                .OldAnnotation("SqlServer:Identity", "1, 1");
        }
    }
}