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[SHOW] EXPLAIN UPDATE/DELETE, code re-structuring

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- Merge with 10.0-base
This commit is contained in:
Sergey Petrunya
2013-06-27 18:28:14 +04:00
parent 639baee61b befacafd73
commit ef47cc1f09
52 changed files with 2739 additions and 556 deletions
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3
sql/sql_prepare.cc
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@ -2488,6 +2488,7 @@ void reinit_stmt_before_use(THD *thd, LEX *lex)
object and because of this can be used in different threads.
*/
lex->thd= thd;
DBUG_ASSERT(!lex->query_plan_footprint);
if (lex->empty_field_list_on_rset)
{
@ -3927,6 +3928,8 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor)
if (! cursor)
cleanup_stmt();
//psergey: TODO the "EXECUTE problem" is here
delete_qpf_query(thd->lex);
thd->set_statement(&stmt_backup);
thd->stmt_arena= old_stmt_arena;