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MDEV-10713: signal 11 error on multi-table update - crash in handler::increment_statistics or in make_select or assertion failure pfs_thread == ((PFS_thread*) pthread_getspecific((THR_PFS)))

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Different fix. Don't allow Item_func_sp to be evaluated unless
all tables are prelocked.

Extend the test case to make sure Item_func_sp::val_str is called
(the table must have at least one row for that).
This commit is contained in:
Sergei Golubchik 2016-12-08 22:54:58 +01:00
parent ab65db6d3f
commit 03dabfa84d
4 changed files with 5 additions and 2 deletions
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1
mysql-test/r/sp.result
View File

@ -8027,6 +8027,7 @@ CREATE TABLE `t1` (
CREATE TABLE `t2` (
`ap_close_to` varchar(8) COLLATE utf8_bin DEFAULT NULL
) DEFAULT CHARSET=utf8 COLLATE=utf8_bin ;
insert t1 values (1);
CREATE FUNCTION `f1`(`P_DC_CD` VARBINARY(50), `P_SYS_DATE` DATETIME) RETURNS datetime
DETERMINISTIC
SQL SECURITY INVOKER

1
mysql-test/t/sp.test
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@ -9316,6 +9316,7 @@ CREATE TABLE `t1` (
CREATE TABLE `t2` (
`ap_close_to` varchar(8) COLLATE utf8_bin DEFAULT NULL
) DEFAULT CHARSET=utf8 COLLATE=utf8_bin ;
insert t1 values (1);
--delimiter $$

2
sql/item.h
View File

@ -3294,7 +3294,7 @@ public:
if (result_type() == ROW_RESULT)
orig_item->bring_value();
}
virtual bool is_expensive() { return orig_item->is_expensive(); }
bool is_expensive() { return orig_item->is_expensive(); }
bool is_expensive_processor(uchar *arg)
{ return orig_item->is_expensive_processor(arg); }
bool check_vcol_func_processor(uchar *arg)

3
sql/item_func.cc
View File

@ -6778,7 +6778,8 @@ Item_func_sp::init_result_field(THD *thd)
bool Item_func_sp::is_expensive()
{
return !(m_sp->m_chistics->detistic);
return !m_sp->m_chistics->detistic ||
current_thd->locked_tables_mode < LTM_LOCK_TABLES;
}