Remove_UniqueIndex_From_TenantName

resolved https://github.com/abpframework/abp/issues/1970

modules/tenant-management/src/Volo.Abp.TenantManagement.EntityFrameworkCore/Volo/Abp/TenantManagement/EntityFrameworkCore/AbpTenantManagementDbContextModelCreatingExtensions.cs

@@ -30,7 +30,7 @@ namespace Volo.Abp.TenantManagement.EntityFrameworkCore
 
                 b.HasMany(u => u.ConnectionStrings).WithOne().HasForeignKey(uc => uc.TenantId).IsRequired();
 
-                b.HasIndex(u => u.Name).IsUnique();
+                b.HasIndex(u => u.Name);
             });
 
             builder.Entity<TenantConnectionString>(b =>

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20191021114822_Remove_UniqueIndex_From_TenantName.cs

@@ -0,0 +1,32 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace MyCompanyName.MyProjectName.Migrations
+{
+    public partial class Remove_UniqueIndex_From_TenantName : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_AbpTenants_Name",
+                table: "AbpTenants");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AbpTenants_Name",
+                table: "AbpTenants",
+                column: "Name");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_AbpTenants_Name",
+                table: "AbpTenants");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AbpTenants_Name",
+                table: "AbpTenants",
+                column: "Name",
+                unique: true);
+        }
+    }
+}

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/MyProjectNameMigrationsDbContextModelSnapshot.cs

@@ -1451,8 +1451,7 @@ namespace MyCompanyName.MyProjectName.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasIndex("Name")
-                        .IsUnique();
+                    b.HasIndex("Name");
 
                     b.ToTable("AbpTenants");
                 });