MDEV-4756: 10.0-monty tree: log_state.test fails

- make the test output stable
- make Log_to_csv_event_handler::log_slow() to write the value 
  of thd->thread_id (it didn't, and so 0 was always logged).

1 files changed, 3 insertions, 0 deletions

diff --git a/sql/log.cc b/sql/log.cc
index 3c1e830402a..78fbd2cf0ab 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -895,6 +895,9 @@ bool Log_to_csv_event_handler::
   if (table->field[10]->store(sql_text, sql_text_len, client_cs) < 0)
     goto err;
 
+  if (table->field[11]->store((longlong) thd->thread_id, TRUE))
+    goto err;
+
   /* log table entries are not replicated */
   if (table->file->ha_write_row(table->record[0]))
     goto err;