Code refactoring: construct SqlContext outside of RolsynScriptEngine

csharp/Repl/Repl.cs

@@ -6,6 +6,7 @@ using System.IO;
 using System.Text;
 using System.Text.RegularExpressions;
 using Microsoft.Spark.CSharp.Core;
+using Microsoft.Spark.CSharp.Sql;
 
 namespace Microsoft.Spark.CSharp
 {
@@ -203,7 +204,7 @@ namespace Microsoft.Spark.CSharp
 
         internal void Help()
         {
-            const string helps = "Commands:\r\n  :help\t\tDisplay help on available commands.\r\n  :load\t\tLoad extra library to current execution context, e.g. :load \"myLib.dll\".\r\n  :quit\t\tcd loExit REPL.";
+            const string helps = "Commands:\r\n  :help\t\tDisplay help on available commands.\r\n  :load\t\tLoad extra library to current execution context, e.g. :load \"myLib.dll\".\r\n  :quit\t\tExit REPL.";
             ioHandler.WriteLine(helps);
         }
 
@@ -211,7 +212,8 @@ namespace Microsoft.Spark.CSharp
         {
             SparkConf sparkConf = new SparkConf();
             SparkContext sc = new SparkContext(sparkConf);
-            var scriptEngine = new RoslynScriptEngine(sc);
+            SqlContext sqlContext = new SqlContext(sc);
+            var scriptEngine = new RoslynScriptEngine(sc, sqlContext);
             var repl = new Repl(scriptEngine, new ConsoleIoHandler());
             repl.Init();
             repl.Run();

csharp/Repl/RoslynScriptEngine.cs

@@ -45,14 +45,14 @@ namespace Microsoft.Spark.CSharp
 
         internal readonly string compilationDumpDirectory;
 
-        public RoslynScriptEngine(SparkContext sc)
+        public RoslynScriptEngine(SparkContext sc, SqlContext sqlContext)
         {
             this.sc = sc;
             sparkConf = sc.GetConf();
             host = new SparkCLRHost
             {
                 sc = sc,
-                sqlContext = new SqlContext(sc)
+                sqlContext = sqlContext
             };
 
             var sparkLocalDir = sparkConf.Get("spark.local.dir", Path.GetTempPath());

csharp/ReplTest/ReplTest.cs

@@ -13,6 +13,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Spark.CSharp;
 using Microsoft.Spark.CSharp.Core;
+using Microsoft.Spark.CSharp.Sql;
 using Moq;
 using NUnit.Framework;
 
@@ -51,8 +52,9 @@ namespace ReplTest
         public void Test()
         {
             var sc = new SparkContext("", "");
+            var sqlContext = new SqlContext(sc);
  
-            var scriptEngine = new RoslynScriptEngine(sc);
+            var scriptEngine = new RoslynScriptEngine(sc, sqlContext);
             var ioHandler = new TestIoHandler();
 
             var repl = new Repl(scriptEngine, ioHandler);