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MDEV-23094: Multiple calls to a Stored Procedure from another Stored Procedure crashes server

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Added system-SELECT to IF/WHILE/REPET/FOR for correct subqueries connecting.

Added control of system/usual selects for correct error detection.
This commit is contained in:
Oleksandr Byelkin
2020-08-11 16:37:48 +02:00
parent 571764c04f
commit 0f080dd60a
11 changed files with 601 additions and 30 deletions
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sql/sql_parse.cc
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@ -8049,6 +8049,7 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
(alias ? alias->str : table->table.str),
table,
this, select_number));
DBUG_ASSERT(!is_service_select || (table_options & TL_OPTION_SEQUENCE));
if (unlikely(!table))
DBUG_RETURN(0); // End of memory