Added CreateIndex to Migrator

Migrator.net/Migrator.Framework/ITransformationProvider.cs

@@ -13,7 +13,7 @@ namespace Migrator.Framework
         /// <summary>
         /// Get this provider or a NoOp provider if you are not running in the context of 'provider'.
         /// </summary>
-        ITransformationProvider this[string provider] { get;}
+        ITransformationProvider this[string provider] { get; }
 
         /// <summary>
         /// The list of Migrations currently applied to the database.
@@ -194,6 +194,15 @@ namespace Migrator.Framework
         /// <param name="constraint"></param>
         void GenerateForeignKey(string foreignTable, string primaryTable, ForeignKeyConstraint constraint);
 
+        /// <summary>
+        /// Add an Index to a table
+        /// </summary>
+        /// <param name="name">The name of the index to add.</param>
+        /// <param name="table">The name of the table that will get the index.</param>
+        /// <param name="unique">If the index will be unique</param>
+        /// <param name="columns">The name of the column or columns that are in the index.</param>
+        void AddIndex(string name, string table, bool unique,  params string[] columns);
+
         /// <summary>
         /// Add a primary key to a table
         /// </summary>
@@ -376,6 +385,13 @@ namespace Migrator.Framework
         /// <param name="name">The name of the constraint to remove</param>
         void RemoveConstraint(string table, string name);
 
+        /// <summary>
+        /// Remove an existing index
+        /// </summary>
+        /// <param name="table">The table that contains the index.</param>
+        /// <param name="name">The name of the index to remove</param>
+        void RemoveIndex(string table, string name);
+
         /// <summary>
         /// Remove an existing table
         /// </summary>

Migrator.net/Migrator.Providers/NoOpTransformationProvider.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Data;
 using Migrator.Framework;
 using ForeignKeyConstraint=Migrator.Framework.ForeignKeyConstraint;
@@ -54,6 +55,11 @@ namespace Migrator.Providers
             // No Op
         }
 
+        public void RemoveIndex(string table, string name)
+        {
+            // No Op
+        }
+
         public void AddTable(string name, params Column[] columns)
         {
             // No Op
@@ -129,6 +135,16 @@ namespace Migrator.Providers
             // No Op
         }
 
+        public void AddIndex(string name, string table, params string[] columns)
+        {
+            //No Op
+        }
+
+        public void AddIndex(string name, string table, bool unique, params string[] columns)
+        {
+            //No Op
+        }
+
         public void AddPrimaryKey(string name, string table, params string[] columns)
         {
             // No Op