using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace VOL.Core.Migrations
{
    public partial class init046 : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_Ai_SpecialChapter_Ai_SpecialUnit_SpecialUnitId",
                table: "Ai_SpecialChapter");

            migrationBuilder.DropForeignKey(
                name: "FK_Ai_SpecialCourse_Ai_SpecialChapter_SpecialChapterId",
                table: "Ai_SpecialCourse");

            migrationBuilder.DropForeignKey(
                name: "FK_Ai_SpecialExplain_Ai_SpecialCourse_SpecialCourseId",
                table: "Ai_SpecialExplain");

            migrationBuilder.DropForeignKey(
                name: "FK_Ai_SpecialVideo_Ai_SpecialExplain_SpecialExplainId",
                table: "Ai_SpecialVideo");

            migrationBuilder.AlterColumn<int>(
                name: "SpecialExplainId",
                table: "Ai_SpecialVideo",
                type: "int",
                nullable: false,
                defaultValue: 0,
                comment: "专项讲解Id",
                oldClrType: typeof(int),
                oldType: "int",
                oldNullable: true);

            migrationBuilder.AlterColumn<int>(
                name: "SpecialCourseId",
                table: "Ai_SpecialExplain",
                type: "int",
                nullable: false,
                defaultValue: 0,
                comment: "专项课程Id",
                oldClrType: typeof(int),
                oldType: "int",
                oldNullable: true);

            migrationBuilder.AlterColumn<int>(
                name: "SpecialChapterId",
                table: "Ai_SpecialCourse",
                type: "int",
                nullable: false,
                defaultValue: 0,
                comment: "专项章节Id",
                oldClrType: typeof(int),
                oldType: "int",
                oldNullable: true);

            migrationBuilder.AlterColumn<int>(
                name: "SpecialUnitId",
                table: "Ai_SpecialChapter",
                type: "int",
                nullable: false,
                defaultValue: 0,
                comment: "专项单元Id",
                oldClrType: typeof(int),
                oldType: "int",
                oldNullable: true);

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialChapter_Ai_SpecialUnit_SpecialUnitId",
                table: "Ai_SpecialChapter",
                column: "SpecialUnitId",
                principalTable: "Ai_SpecialUnit",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialCourse_Ai_SpecialChapter_SpecialChapterId",
                table: "Ai_SpecialCourse",
                column: "SpecialChapterId",
                principalTable: "Ai_SpecialChapter",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialExplain_Ai_SpecialCourse_SpecialCourseId",
                table: "Ai_SpecialExplain",
                column: "SpecialCourseId",
                principalTable: "Ai_SpecialCourse",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialVideo_Ai_SpecialExplain_SpecialExplainId",
                table: "Ai_SpecialVideo",
                column: "SpecialExplainId",
                principalTable: "Ai_SpecialExplain",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);
        }

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

            migrationBuilder.DropForeignKey(
                name: "FK_Ai_SpecialCourse_Ai_SpecialChapter_SpecialChapterId",
                table: "Ai_SpecialCourse");

            migrationBuilder.DropForeignKey(
                name: "FK_Ai_SpecialExplain_Ai_SpecialCourse_SpecialCourseId",
                table: "Ai_SpecialExplain");

            migrationBuilder.DropForeignKey(
                name: "FK_Ai_SpecialVideo_Ai_SpecialExplain_SpecialExplainId",
                table: "Ai_SpecialVideo");

            migrationBuilder.AlterColumn<int>(
                name: "SpecialExplainId",
                table: "Ai_SpecialVideo",
                type: "int",
                nullable: true,
                oldClrType: typeof(int),
                oldType: "int",
                oldComment: "专项讲解Id");

            migrationBuilder.AlterColumn<int>(
                name: "SpecialCourseId",
                table: "Ai_SpecialExplain",
                type: "int",
                nullable: true,
                oldClrType: typeof(int),
                oldType: "int",
                oldComment: "专项课程Id");

            migrationBuilder.AlterColumn<int>(
                name: "SpecialChapterId",
                table: "Ai_SpecialCourse",
                type: "int",
                nullable: true,
                oldClrType: typeof(int),
                oldType: "int",
                oldComment: "专项章节Id");

            migrationBuilder.AlterColumn<int>(
                name: "SpecialUnitId",
                table: "Ai_SpecialChapter",
                type: "int",
                nullable: true,
                oldClrType: typeof(int),
                oldType: "int",
                oldComment: "专项单元Id");

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialChapter_Ai_SpecialUnit_SpecialUnitId",
                table: "Ai_SpecialChapter",
                column: "SpecialUnitId",
                principalTable: "Ai_SpecialUnit",
                principalColumn: "Id");

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialCourse_Ai_SpecialChapter_SpecialChapterId",
                table: "Ai_SpecialCourse",
                column: "SpecialChapterId",
                principalTable: "Ai_SpecialChapter",
                principalColumn: "Id");

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialExplain_Ai_SpecialCourse_SpecialCourseId",
                table: "Ai_SpecialExplain",
                column: "SpecialCourseId",
                principalTable: "Ai_SpecialCourse",
                principalColumn: "Id");

            migrationBuilder.AddForeignKey(
                name: "FK_Ai_SpecialVideo_Ai_SpecialExplain_SpecialExplainId",
                table: "Ai_SpecialVideo",
                column: "SpecialExplainId",
                principalTable: "Ai_SpecialExplain",
                principalColumn: "Id");
        }
    }
}