Commit dfc38479 authored by holyfoot/hf@mysql.com/hfmain.(none)'s avatar holyfoot/hf@mysql.com/hfmain.(none)
Browse files

Bug #29687 mysql_stmt_store_result memory leak in libmysqld 

In embedded server we use result->alloc to store field data for the
result, but we didn't clean the result->alloc if the query returned
an empty recordset. Cleaning for the empty recordset enabled
parent 92b65b8a

libmysql/libmysql.c

+1 −1
Original line number Diff line number Diff line
@@ -4945,7 +4945,7 @@ static my_bool reset_stmt_handle(MYSQL_STMT *stmt, uint flags) 
      Reset stored result set if so was requested or it's a part

      of cursor fetch.

    */

    if (result->data && (flags & RESET_STORE_RESULT))

    if (flags & RESET_STORE_RESULT)

    {

      /* Result buffered */

      free_root(&result->alloc, MYF(MY_KEEP_PREALLOC));