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MDEV-13439: Database permissions are not enough to run a subquery with GROUP BY within a view

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The bug is result adding ability to have derived tables inside views.
Fixed checks should be a switch between view/derived or select derived and information schema.
This commit is contained in:
Oleksandr Byelkin
2017-08-07 13:42:35 +02:00
parent bdab49d389
commit cb2a57c203
4 changed files with 52 additions and 4 deletions
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5
sql/sql_acl.cc
View File

@ -7594,8 +7594,11 @@ bool check_grant(THD *thd, ulong want_access, TABLE_LIST *tables,
/*
It is subquery in the FROM clause. VIEW set t_ref->derived after
table opening, but this function always called before table opening.
NOTE: is_derived() can't be used here because subquery in this case
the FROM clase (derived tables) can be not be marked yet.
*/
if (!t_ref->referencing_view)
if (t_ref->is_anonymous_derived_table() || t_ref->schema_table)
{
/*
If it's a temporary table created for a subquery in the FROM