Thorsten Sommer
c90d3fdd3c
- Made parents nullable - Added a data key for the tree - Added depth for quicker layer-wise loading
57 lines
1.8 KiB
C#
57 lines
1.8 KiB
C#
using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace DataModel.Migrations
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{
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public partial class _202206MadeParentNullable : Migration
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{
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropForeignKey(
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name: "FK_Sections_Sections_ParentId",
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table: "Sections");
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migrationBuilder.AlterColumn<int>(
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name: "ParentId",
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table: "Sections",
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type: "INTEGER",
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nullable: true,
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oldClrType: typeof(int),
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oldType: "INTEGER");
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migrationBuilder.AddForeignKey(
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name: "FK_Sections_Sections_ParentId",
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table: "Sections",
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column: "ParentId",
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principalTable: "Sections",
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principalColumn: "Id");
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}
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropForeignKey(
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name: "FK_Sections_Sections_ParentId",
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table: "Sections");
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migrationBuilder.AlterColumn<int>(
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name: "ParentId",
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table: "Sections",
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type: "INTEGER",
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nullable: false,
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defaultValue: 0,
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oldClrType: typeof(int),
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oldType: "INTEGER",
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oldNullable: true);
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migrationBuilder.AddForeignKey(
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name: "FK_Sections_Sections_ParentId",
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table: "Sections",
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column: "ParentId",
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principalTable: "Sections",
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principalColumn: "Id",
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onDelete: ReferentialAction.Cascade);
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}
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}
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}
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