Better support for explain without sp_execute args. FIxes #207

Author: metaskills

CHANGELOG

@@ -2,6 +2,7 @@
 * 3.2.7 *
 
 * Find VERSION in base file out of module namespace. Fixes #208
+* Better support for explain without sp_execute args. FIxes #207
 
 
 * 3.2.6 *

lib/active_record/connection_adapters/sqlserver/core_ext/explain.rb

@@ -21,15 +21,15 @@ def unprepare_sqlserver_statement(sql)
             if sql.starts_with?(SQLSERVER_STATEMENT_PREFIX)
               executesql = sql.from(SQLSERVER_STATEMENT_PREFIX.length)
               executesql_args = executesql.split(', ')
-              executesql_args.reject! { |arg| arg =~ SQLSERVER_PARAM_MATCHER }
-              executesql_args.pop if executesql_args.many?
+              found_args = executesql_args.reject! { |arg| arg =~ SQLSERVER_PARAM_MATCHER }
+              executesql_args.pop if found_args && executesql_args.many?
               executesql = executesql_args.join(', ').strip.match(/N'(.*)'/)[1]
               Utils.unquote_string(executesql)
             else
               sql
             end
           end
-          
+
 
         end
       end