Port SqlParameter changes from netcore to netfx (#1812)

Author: Wraith2

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlCommand.cs

@@ -4058,6 +4058,7 @@ private void PrepareDescribeParameterEncryptionRequest(_SqlRPC originalRpcReques
                 tsqlParam.SqlDbType = ((text.Length << 1) <= TdsEnums.TYPE_SIZE_LIMIT) ? SqlDbType.NVarChar : SqlDbType.NText;
                 tsqlParam.Value = text;
                 tsqlParam.Size = text.Length;
+                tsqlParam.Direction = ParameterDirection.Input;
             }
             else
             {
@@ -4075,6 +4076,7 @@ private void PrepareDescribeParameterEncryptionRequest(_SqlRPC originalRpcReques
                     tsqlParam.SqlDbType = ((text.Length << 1) <= TdsEnums.TYPE_SIZE_LIMIT) ? SqlDbType.NVarChar : SqlDbType.NText;
                     tsqlParam.Value = text;
                     tsqlParam.Size = text.Length;
+                    tsqlParam.Direction = ParameterDirection.Input;
                 }
             }
 
@@ -4151,13 +4153,15 @@ private void PrepareDescribeParameterEncryptionRequest(_SqlRPC originalRpcReques
             paramsParam.SqlDbType = ((parameterList.Length << 1) <= TdsEnums.TYPE_SIZE_LIMIT) ? SqlDbType.NVarChar : SqlDbType.NText;
             paramsParam.Size = parameterList.Length;
             paramsParam.Value = parameterList;
+            paramsParam.Direction = ParameterDirection.Input;
 
             if (attestationParameters != null)
             {
                 SqlParameter attestationParametersParam = describeParameterEncryptionRequest.systemParams[2];
-                attestationParametersParam.Direction = ParameterDirection.Input;
+                attestationParametersParam.SqlDbType = SqlDbType.VarBinary;
                 attestationParametersParam.Size = attestationParameters.Length;
                 attestationParametersParam.Value = attestationParameters;
+                attestationParametersParam.Direction = ParameterDirection.Input;
             }
         }
 
@@ -5791,13 +5795,15 @@ private _SqlRPC BuildPrepExec(CommandBehavior behavior)
             sqlParam.SqlDbType = ((paramList.Length << 1) <= TdsEnums.TYPE_SIZE_LIMIT) ? SqlDbType.NVarChar : SqlDbType.NText;
             sqlParam.Value = paramList;
             sqlParam.Size = paramList.Length;
+            sqlParam.Direction = ParameterDirection.Input;
 
             //@batch_text
             string text = GetCommandText(behavior);
             sqlParam = rpc.systemParams[2];
             sqlParam.SqlDbType = ((text.Length << 1) <= TdsEnums.TYPE_SIZE_LIMIT) ? SqlDbType.NVarChar : SqlDbType.NText;
             sqlParam.Size = text.Length;
             sqlParam.Value = text;
+            sqlParam.Direction = ParameterDirection.Input;
 
             SetUpRPCParameters(rpc, false, _parameters);
             return rpc;
@@ -5899,6 +5905,7 @@ private _SqlRPC BuildExecute(bool inSchema)
             //@handle
             SqlParameter sqlParam = rpc.systemParams[0];
             sqlParam.SqlDbType = SqlDbType.Int;
+            sqlParam.Size = 4;
             sqlParam.Value = _prepareHandle;
             sqlParam.Direction = ParameterDirection.Input;
 
@@ -5951,6 +5958,7 @@ private void BuildExecuteSql(CommandBehavior behavior, string commandText, SqlPa
                 sqlParam.SqlDbType = ((paramList.Length << 1) <= TdsEnums.TYPE_SIZE_LIMIT) ? SqlDbType.NVarChar : SqlDbType.NText;
                 sqlParam.Size = paramList.Length;
                 sqlParam.Value = paramList;
+                sqlParam.Direction = ParameterDirection.Input;
 
                 bool inSchema = (0 != (behavior & CommandBehavior.SchemaOnly));
                 SetUpRPCParameters(rpc, inSchema, parameters);