Remove the release notes length limit (#687)

Kudos to @dncnkrs for the original implementation. 

This allows BaGet to index packages with large release notes, like https://www.nuget.org/packages/chocolatey/0.10.6.1

src/BaGet.Core/Entities/AbstractContext.cs

@@ -68,8 +68,7 @@ private void BuildPackageEntity(EntityTypeBuilder<Package> package)
  .HasMaxLength(MaxPackageVersionLength);
 
  package.Property(p => p.ReleaseNotes)
- .HasColumnName("ReleaseNotes")
- .HasMaxLength(DefaultMaxStringLength);
+ .HasColumnName("ReleaseNotes");
 
  package.Property(p => p.Authors)
  .HasMaxLength(DefaultMaxStringLength)

src/BaGet.Database.MySql/Migrations/20210919191554_RemoveReleaseNotesMaxLength.cs

@@ -0,0 +1,35 @@
+using System;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace BaGet.Database.MySql.Migrations
+{
+ public partial class RemoveReleaseNotesMaxLength : Migration
+ {
+ protected override void Up(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.AlterColumn<DateTime>(
+ name: "RowVersion",
+ table: "Packages",
+ rowVersion: true,
+ nullable: true,
+ oldClrType: typeof(DateTime),
+ oldType: "timestamp(6)",
+ oldNullable: true)
+ .Annotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.ComputedColumn);
+ }
+
+ protected override void Down(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.AlterColumn<DateTime>(
+ name: "RowVersion",
+ table: "Packages",
+ type: "timestamp(6)",
+ nullable: true,
+ oldClrType: typeof(DateTime),
+ oldRowVersion: true,
+ oldNullable: true)
+ .OldAnnotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.ComputedColumn);
+ }
+ }
+}

src/BaGet.Database.MySql/Migrations/MySqlContextModelSnapshot.cs

@@ -14,7 +14,7 @@ protected override void BuildModel(ModelBuilder modelBuilder)
  {
 #pragma warning disable 612, 618
  modelBuilder
- .HasAnnotation("ProductVersion", "3.1.1")
+ .HasAnnotation("ProductVersion", "3.1.18")
  .HasAnnotation("Relational:MaxIdentifierLength", 64);
 
  modelBuilder.Entity("BaGet.Core.Package", b =>
@@ -87,8 +87,7 @@ protected override void BuildModel(ModelBuilder modelBuilder)
 
  b.Property<string>("ReleaseNotes")
  .HasColumnName("ReleaseNotes")
- .HasColumnType("longtext CHARACTER SET utf8mb4")
- .HasMaxLength(4000);
+ .HasColumnType("longtext CHARACTER SET utf8mb4");
 
  b.Property<string>("RepositoryType")
  .HasColumnType("varchar(100) CHARACTER SET utf8mb4")