Null out the statement result buffers after freeing them

sodabrew · sodabrew · commit d11aeb309713 · 2015-06-22T06:08:28.000Z
diff --git a/ext/mysql2/result.c b/ext/mysql2/result.c
@@ -107,6 +107,8 @@ static void rb_mysql_result_free_result(mysql2_result_wrapper * wrapper) {
         xfree(wrapper->error);
         xfree(wrapper->length);
       }
+      /* Clue that the next statement execute will need to allocate a new result buffer. */
+      wrapper->result_buffers = NULL;
     }
     /* FIXME: this may call flush_use_result, which can hit the socket */
     /* For prepared statements, wrapper->result is the result metadata */

Original file line number	Diff line number	Diff line change
`@@ -107,6 +107,8 @@ static void rb_mysql_result_free_result(mysql2_result_wrapper * wrapper) {`
`107`	`107`	`xfree(wrapper->error);`
`108`	`108`	`xfree(wrapper->length);`
`109`	`109`	`}`
	`110`	`+ /* Clue that the next statement execute will need to allocate a new result buffer. */`
	`111`	`+ wrapper->result_buffers = NULL;`
`110`	`112`	`}`
`111`	`113`	`/* FIXME: this may call flush_use_result, which can hit the socket */`
`112`	`114`	`/* For prepared statements, wrapper->result is the result metadata */`