Adds a execute and return result message (#383)

* inital request

* refactored query execution failure callback to take exception

* added failure callback to execute and return

* added test for query execute and return

* updated params

* removed dead code

* addressed feedback; added multiple active result set support; updated tests

* addessed feedback and added testing and errors and verification

* change <= to ==

* changed name of trashQ to removedQuery

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.cs

@@ -245,6 +245,22 @@ namespace Microsoft.SqlTools.ServiceLayer
             }
         }
 
+        public static string QueryServiceResultSetHasNoResults
+        {
+            get
+            {
+                return Keys.GetString(Keys.QueryServiceResultSetHasNoResults);
+            }
+        }
+
+        public static string QueryServiceResultSetTooLarge
+        {
+            get
+            {
+                return Keys.GetString(Keys.QueryServiceResultSetTooLarge);
+            }
+        }
+
         public static string QueryServiceSaveAsResultSetNotComplete
         {
             get
@@ -3468,6 +3484,12 @@ namespace Microsoft.SqlTools.ServiceLayer
             public const string QueryServiceResultSetAddNoRows = "QueryServiceResultSetAddNoRows";
 
 
+            public const string QueryServiceResultSetHasNoResults = "QueryServiceResultSetHasNoResults";
+
+
+            public const string QueryServiceResultSetTooLarge = "QueryServiceResultSetTooLarge";
+
+
             public const string QueryServiceSaveAsResultSetNotComplete = "QueryServiceSaveAsResultSetNotComplete";
 
 

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.resx

@@ -265,6 +265,14 @@
     <value>Cannot add row to result buffer, data reader does not contain rows</value>
     <comment></comment>
   </data>
+  <data name="QueryServiceResultSetHasNoResults" xml:space="preserve">
+    <value>Query has no results to return</value>
+    <comment></comment>
+  </data>
+  <data name="QueryServiceResultSetTooLarge" xml:space="preserve">
+    <value>Result set has too many rows to be safely loaded</value>
+    <comment></comment>
+  </data>
   <data name="QueryServiceSaveAsResultSetNotComplete" xml:space="preserve">
     <value>Result cannot be saved until query execution has completed</value>
     <comment></comment>

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.strings

@@ -108,6 +108,10 @@ QueryServiceMessageSenderNotSql = Sender for OnInfoMessage event must be a SqlCo
 
 QueryServiceResultSetAddNoRows = Cannot add row to result buffer, data reader does not contain rows
 
+QueryServiceResultSetHasNoResults = Query has no results to return
+
+QueryServiceResultSetTooLarge = Result set has too many rows to be safely loaded
+
 ### Save As Requests
 
 QueryServiceSaveAsResultSetNotComplete = Result cannot be saved until query execution has completed

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.xlf

@@ -2101,6 +2101,15 @@
         <target state="new">The database {0} is not accessible.</target>
         <note></note>
       </trans-unit>
+      <trans-unit id="QueryServiceResultSetHasNoResults">
+        <source>Query has no results to return</source>
+        <target state="new">Query has no results to return</target>
+        <note></note>
+      </trans-unit>
+      <trans-unit id="QueryServiceResultSetTooLarge">
+        <source>Result set has too many rows to be safely loaded</source>
+        <target state="new">Result set has too many rows to be safely loaded</target>
+      </trans-unit>
       <trans-unit id="Backup_TaskName">
         <source>Backup Database</source>
         <target state="new">Backup Database</target>