Add more readable and convenient From alias for creating a typed SqlExpression

Author: mythz

src/ServiceStack.OrmLite/Expressions/ReadConnectionExtensions.cs

@@ -33,6 +33,25 @@ public static SqlExpression<T> SqlExpression<T>(this IDbConnection dbConn)
             return OrmLiteConfig.ExecFilter.SqlExpression<T>(dbConn);
         }
 
+        /// <summary>
+        /// Creates a new SqlExpression builder allowing typed LINQ-like queries.
+        /// Alias for SqlExpression.
+        /// </summary>
+        public static SqlExpression<T> From<T>(this IDbConnection dbConn)
+        {
+            return OrmLiteConfig.ExecFilter.SqlExpression<T>(dbConn);
+        }
+
+        /// <summary>
+        /// Creates a new SqlExpression builder for the specified type using a user-defined FROM sql expression.
+        /// </summary>
+        public static SqlExpression<T> From<T>(this IDbConnection dbConn, string fromExpression)
+        {
+            var expr = OrmLiteConfig.ExecFilter.SqlExpression<T>(dbConn);
+            expr.From(fromExpression);
+            return expr;
+        }
+
         /// <summary>
         /// Open a Transaction in OrmLite
         /// </summary>