MDEV-8931: (server part of) session state tracking

Transaction tracker

1 files changed, 4 insertions, 2 deletions

diff --git a/sql/sql_string.cc b/sql/sql_string.cc
index 28e7b899133..a5f266b2d2c 100644
--- a/sql/sql_string.cc
+++ b/sql/sql_string.cc
@@ -1161,13 +1161,15 @@ uint convert_to_printable(char *to, size_t to_len,
 
 void String::q_net_store_length(ulonglong length)
 {
+  DBUG_ASSERT(Alloced_length >= (str_length + net_length_size(length)));
   char *pos= (char *) net_store_length((uchar *)(Ptr + str_length), length);
   str_length= pos - Ptr;
 }
 
 void String::q_net_store_data(const uchar *from, size_t length)
 {
+  DBUG_ASSERT(Alloced_length >= (str_length + length +
+				 net_length_size(length)));
   q_net_store_length(length);
-  bool res= append((const char *)from, length);
-  DBUG_ASSERT(!res);
+  q_append((const char *)from, length);
 }