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Merge 10.2 into 10.3

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FIXME: Properly resolve conflicts between MDEV-18883
and MDEV-7742/MDEV-8305, and record the correct result for
main.log_slow
This commit is contained in:
Marko Mäkelä
2019-03-05 12:56:05 +02:00
parent 8f4de38f65 90f09ba8c2
commit 446b3ebdfc
38 changed files with 833 additions and 240 deletions
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26
sql/sql_prepare.cc
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@ -1,5 +1,5 @@
/* Copyright (c) 2002, 2015, Oracle and/or its affiliates.
Copyright (c) 2008, 2017, MariaDB
Copyright (c) 2008, 2019, MariaDB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -2930,7 +2930,7 @@ void reinit_stmt_before_use(THD *thd, LEX *lex)
}
for (; sl; sl= sl->next_select_in_list())
{
if (!sl->first_execution)
if (sl->changed_elements & TOUCHED_SEL_COND)
{
/* remove option which was put by mysql_explain_union() */
sl->options&= ~SELECT_DESCRIBE;
@ -2977,8 +2977,13 @@ void reinit_stmt_before_use(THD *thd, LEX *lex)
order->next= sl->group_list_ptrs->at(ix+1);
}
}
}
{ // no harm to do it (item_ptr set on parsing)
ORDER *order;
for (order= sl->group_list.first; order; order= order->next)
{
order->item= &order->item_ptr;
}
/* Fix ORDER list */
for (order= sl->order_list.first; order; order= order->next)
order->item= &order->item_ptr;
@ -2992,15 +2997,16 @@ void reinit_stmt_before_use(THD *thd, LEX *lex)
for (order= win_spec->order_list->first; order; order= order->next)
order->item= &order->item_ptr;
}
{
#ifdef DBUG_ASSERT_EXISTS
bool res=
#endif
sl->handle_derived(lex, DT_REINIT);
DBUG_ASSERT(res == 0);
}
}
if (sl->changed_elements & TOUCHED_SEL_DERIVED)
{
#ifdef DBUG_ASSERT_EXISTS
bool res=
#endif
sl->handle_derived(lex, DT_REINIT);
DBUG_ASSERT(res == 0);
}
{
SELECT_LEX_UNIT *unit= sl->master_unit();
unit->unclean();