Resolves #851. Table was in shutdown state after aborted drop. [#CLICKHOUSE-2184]

dbms/src/Interpreters/InterpreterDropQuery.cpp

@@ -89,6 +89,13 @@ BlockIO InterpreterDropQuery::execute()
 
     for (auto & table : tables_to_drop)
     {
+        if (!drop.detach)
+        {
+            if (!table.first->checkTableCanBeDropped())
+                throw Exception("Table " + database_name  + "." + table.first->getTableName() + " couldn't be dropped due to failed pre-drop check",
+                                ErrorCodes::TABLE_WAS_NOT_DROPPED);
+        }
+
         table.first->shutdown();
 
         /// If table was already dropped by anyone, an exception will be thrown
@@ -103,10 +110,6 @@ BlockIO InterpreterDropQuery::execute()
         }
         else
         {
-            if (!table.first->checkTableCanBeDropped())
-                throw Exception("Table " + database_name  + "." + current_table_name + " couldn't be dropped due to failed pre-drop check",
-                                ErrorCodes::TABLE_WAS_NOT_DROPPED);
-
             /// Delete table metdata and table itself from memory
             database->removeTable(current_table_name);
             /// Delete table data