Extend Trybot list view

golden/go/db/db.go

 package db
 
 import "go.skia.org/infra/go/database"
 
 const (
         // Default database parameters.
         PROD_DB_HOST = "173.194.104.24"
         PROD_DB_PORT = 3306
         PROD_DB_NAME = "skiacorrectness"
 )
@@ skipping 117 matching lines @@
                                 results      LONGTEXT     NOT NULL,
                                 INDEX tries_lastupdated_idx (last_updated)
                         )`,
                 },
                 MySQLDown: []string{
                         `DROP TABLE IF EXISTS tries`,
                 },
         },
 
         // Use this is a template for more migration steps.
+        // version 8
+        {
+                MySQLUp:   []string{`ALTER TABLE tries ADD max_patchset INT NOT NULL DEFAULT 0`},
+                MySQLDown: []string{`ALTER TABLE tries DROP max_patchset`},
+        },
+
+        // Use this is a template for more migration steps.
         // version x
         // {
         //      MySQLUp: ,
         //      MySQLDown: ,
         // },
 }