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Allow CURRENT_ROLE where CURRENT_USER is accepted

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In the particular case of GRANTED BY, this is specified in the SQL
standard.  Since in PostgreSQL, CURRENT_ROLE is equivalent to
CURRENT_USER, and CURRENT_USER is already supported here, adding
CURRENT_ROLE is trivial.  The other cases are PostgreSQL extensions,
but for the same reason it also makes sense there.

Reviewed-by: Vik Fearing <vik@postgresfriends.org>
Reviewed-by: Asif Rehman <asifr.rehman@gmail.com>
Reviewed-by: Alvaro Herrera <alvherre@2ndquadrant.com>
Discussion: https://www.postgresql.org/message-id/flat/f2feac44-b4c5-f38f-3699-2851d6a76dc9%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2020-09-17 11:39:28 +02:00
parent 16fa9b2b30
commit 45b9805706
48 changed files with 537 additions and 419 deletions
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2
doc/src/sgml/ref/create_policy.sgml
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@@ -24,7 +24,7 @@ PostgreSQL documentation
CREATE POLICY <replaceable class="parameter">name</replaceable> ON <replaceable class="parameter">table_name</replaceable>
[ AS { PERMISSIVE | RESTRICTIVE } ]
[ FOR { ALL | SELECT | INSERT | UPDATE | DELETE } ]
[ TO { <replaceable class="parameter">role_name</replaceable> | PUBLIC | CURRENT_USER | SESSION_USER } [, ...] ]
[ TO { <replaceable class="parameter">role_name</replaceable> | PUBLIC | CURRENT_ROLE | CURRENT_USER | SESSION_USER } [, ...] ]
[ USING ( <replaceable class="parameter">using_expression</replaceable> ) ]
[ WITH CHECK ( <replaceable class="parameter">check_expression</replaceable> ) ]
</synopsis>