140 lines
5.9 KiB
C#
140 lines
5.9 KiB
C#
using System;
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using Microsoft.EntityFrameworkCore.Migrations;
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using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
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#nullable disable
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namespace ForumDatabaseImplement.Migrations
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{
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/// <inheritdoc />
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public partial class InitDb : 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: "Categories",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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Name = table.Column<string>(type: "text", nullable: false),
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Description = table.Column<string>(type: "text", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Categories", x => x.Id);
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});
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migrationBuilder.CreateTable(
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name: "Users",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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Nickname = table.Column<string>(type: "text", nullable: false),
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Password = table.Column<string>(type: "text", nullable: false),
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Email = table.Column<string>(type: "text", nullable: false),
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RegistrationDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
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ActivityDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Users", x => x.Id);
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});
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migrationBuilder.CreateTable(
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name: "Questions",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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CreateDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
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UserId = table.Column<int>(type: "integer", nullable: false),
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CategoryId = table.Column<int>(type: "integer", nullable: false),
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QuestionDes = table.Column<string>(type: "text", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Questions", x => x.Id);
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table.ForeignKey(
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name: "FK_Questions_Categories_CategoryId",
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column: x => x.CategoryId,
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principalTable: "Categories",
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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_Questions_Users_UserId",
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column: x => x.UserId,
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principalTable: "Users",
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principalColumn: "Id",
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onDelete: ReferentialAction.Cascade);
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});
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migrationBuilder.CreateTable(
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name: "Answers",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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ResponseDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
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QuestionId = table.Column<int>(type: "integer", nullable: false),
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UserId = table.Column<int>(type: "integer", nullable: false),
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AnswerDes = table.Column<string>(type: "text", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Answers", x => x.Id);
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table.ForeignKey(
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name: "FK_Answers_Questions_QuestionId",
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column: x => x.QuestionId,
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principalTable: "Questions",
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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_Answers_Users_UserId",
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column: x => x.UserId,
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principalTable: "Users",
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principalColumn: "Id",
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onDelete: ReferentialAction.Cascade);
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});
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migrationBuilder.CreateIndex(
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name: "IX_Answers_QuestionId",
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table: "Answers",
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column: "QuestionId");
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migrationBuilder.CreateIndex(
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name: "IX_Answers_UserId",
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table: "Answers",
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column: "UserId");
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migrationBuilder.CreateIndex(
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name: "IX_Questions_CategoryId",
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table: "Questions",
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column: "CategoryId");
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migrationBuilder.CreateIndex(
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name: "IX_Questions_UserId",
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table: "Questions",
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column: "UserId");
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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: "Answers");
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migrationBuilder.DropTable(
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name: "Questions");
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migrationBuilder.DropTable(
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name: "Categories");
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migrationBuilder.DropTable(
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name: "Users");
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}
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}
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}
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