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MDEV-5426: Assertion `toku_ft_needed_unlocked(src_h)' failed (errno=11) ...

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- the problem was caused by EXPLAIN INSERT SELECT. For that statement, 
  the code would call select_insert::prepare2(), which would call 
  handler->ha_start_bulk_insert().  The corresponding handler->end_bulk_insert() 
  call is made from select_insert::send_eof or select_insert::abort_result_set 
  which are never called for EXPLAIN INSERT SELECT.
- Fixed by re-using approach of mysql-5.6: don't call ha_start_bulk_insert() if 
  we are in EXPLAIN.
This commit is contained in:
Sergey Petrunya
2014-01-21 14:02:56 +04:00
parent 2ddbe0ec81
commit 41208f6e5b
3 changed files with 18 additions and 1 deletions
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3
sql/sql_insert.cc
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@@ -3555,7 +3555,8 @@ int select_insert::prepare2(void)
{
DBUG_ENTER("select_insert::prepare2");
if (thd->lex->current_select->options & OPTION_BUFFER_RESULT &&
thd->locked_tables_mode <= LTM_LOCK_TABLES)
thd->locked_tables_mode <= LTM_LOCK_TABLES &&
!thd->lex->describe)
table->file->ha_start_bulk_insert((ha_rows) 0);
DBUG_RETURN(0);
}