Split LeafOutputFile content into different table for performance

2016-05-23 15:23:36 -04:00
parent 790e2494e3
commit 55f7b68bf8
21 changed files with 307 additions and 19 deletions
@@ -0,0 +1,45 @@
+namespace LeafWeb.Core.Migrations
+{
+    using System;
+    using System.Data.Entity.Migrations;
+    
+    public partial class LeafOutputFileContents : DbMigration
+    {
+        public override void Up()
+        {
+            CreateTable(
+                "dbo.LeafOutputFileContents",
+                c => new
+                    {
+                        Id = c.Int(nullable: false),
+                        Contents = c.Binary(),
+                    })
+                .PrimaryKey(t => t.Id)
+                .ForeignKey("dbo.LeafOutputFile", t => t.Id)
+                .Index(t => t.Id);
+
+			Sql(
+				"INSERT INTO dbo.LeafOutputFileContents "
+				+ "(Id, Contents) "
+				+ "SELECT Id, Contents " 
+				+ "FROM dbo.LeafOutputFile");
+            
+            DropColumn("dbo.LeafOutputFile", "Contents");
+        }
+        
+        public override void Down()
+        {
+            AddColumn("dbo.LeafOutputFile", "Contents", c => c.Binary());
+
+			Sql(
+			"UPDATE dbo.LeafOutputFile "
+			+ "SET dbo.LeafOutputFile.Contents = FileContents.Contents "
+			+ "FROM dbo.LeafOutputFileContents as FileContents "
+			+ "WHERE dbo.LeafOutputFile.Id = FileContents.Id");
+
+			DropForeignKey("dbo.LeafOutputFileContents", "Id", "dbo.LeafOutputFile");
+            DropIndex("dbo.LeafOutputFileContents", new[] { "Id" });
+            DropTable("dbo.LeafOutputFileContents");
+        }
+    }
+}