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MDEV-8701 Crash on derived query

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MDEV-8938 Server Crash on Update with joins

Make unique table check after setup_fields of update because unique table can materialize table and we do not need field resolving after materialization.
This commit is contained in:
Oleksandr Byelkin
2015-11-06 17:56:56 +01:00
parent df80420865
commit c88ca2c227
5 changed files with 158 additions and 10 deletions
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3
sql/sql_prepare.cc
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@ -1408,7 +1408,8 @@ static int mysql_test_update(Prepared_statement *stmt,
(SELECT_ACL & ~table_list->table->grant.privilege);
table_list->register_want_access(SELECT_ACL);
#endif
if (setup_fields(thd, 0, stmt->lex->value_list, MARK_COLUMNS_NONE, 0, 0))
if (setup_fields(thd, 0, stmt->lex->value_list, MARK_COLUMNS_NONE, 0, 0) ||
check_unique_table(thd, table_list))
goto error;
/* TODO: here we should send types of placeholders to the client. */
DBUG_RETURN(0);