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Allow GRANTED BY clause in normal GRANT and REVOKE statements

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The SQL standard allows a GRANTED BY clause on GRANT and
REVOKE (privilege) statements that can specify CURRENT_USER or
CURRENT_ROLE.  In PostgreSQL, both of these are the default behavior.
Since we already have all the parsing support for this for the
GRANT (role) statement, we might as well add basic support for this
for the privilege variant as well.  This allows us to check off SQL
feature T332.  In the future, perhaps more interesting things could be
done with this, too.

Reviewed-by: Simon Riggs <simon@2ndquadrant.com>
Discussion: https://www.postgresql.org/message-id/flat/f2feac44-b4c5-f38f-3699-2851d6a76dc9@2ndquadrant.com
This commit is contained in:
Peter Eisentraut
2021-01-30 09:41:44 +01:00
parent 7da83415e5
commit 6aaaa76bb4
10 changed files with 71 additions and 13 deletions
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src/backend/catalog/sql_features.txt
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@@ -475,7 +475,7 @@ T324 Explicit security for SQL routines NO
T325 Qualified SQL parameter references YES
T326 Table functions NO
T331 Basic roles YES
T332 Extended roles NO mostly supported
T332 Extended roles YES
T341 Overloading of SQL-invoked functions and procedures YES
T351 Bracketed SQL comments (/*...*/ comments) YES
T431 Extended grouping capabilities YES