62 lines
2.5 KiB
C#
62 lines
2.5 KiB
C#
using System;
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using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
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{
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/// <inheritdoc />
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public partial class AcademicPlanningPrerequisites : Migration
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{
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/// <inheritdoc />
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.CreateTable(
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name: "CoursePrerequisites",
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columns: table => new
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{
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Id = table.Column<Guid>(type: "char(36)", nullable: false),
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CourseId = table.Column<Guid>(type: "char(36)", nullable: false),
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PrerequisiteCourseId = table.Column<Guid>(type: "char(36)", nullable: false),
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CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
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UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_CoursePrerequisites", x => x.Id);
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table.ForeignKey(
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name: "FK_CoursePrerequisites_Courses_CourseId",
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column: x => x.CourseId,
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principalTable: "Courses",
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principalColumn: "Id",
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onDelete: ReferentialAction.Cascade);
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table.ForeignKey(
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name: "FK_CoursePrerequisites_Courses_PrerequisiteCourseId",
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column: x => x.PrerequisiteCourseId,
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principalTable: "Courses",
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principalColumn: "Id",
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onDelete: ReferentialAction.Restrict);
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})
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.Annotation("MySQL:Charset", "utf8mb4");
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migrationBuilder.CreateIndex(
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name: "IX_CoursePrerequisites_CourseId_PrerequisiteCourseId",
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table: "CoursePrerequisites",
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columns: new[] { "CourseId", "PrerequisiteCourseId" },
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unique: true);
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migrationBuilder.CreateIndex(
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name: "IX_CoursePrerequisites_PrerequisiteCourseId",
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table: "CoursePrerequisites",
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column: "PrerequisiteCourseId");
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}
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/// <inheritdoc />
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropTable(
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name: "CoursePrerequisites");
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}
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}
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}
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