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Add collations to information_schema.usage_privileges 

This is faked information like for domains.
This commit is contained in:
Peter Eisentraut 2011-03-02 23:10:41 +02:00
parent 43bdf3583a
commit 091bda0188
2 changed files with 26 additions and 5 deletions
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10
doc/src/sgml/information_schema.sgml
View File

@ -3560,7 +3560,7 @@ ORDER BY c.ordinal_position;
<row>
<entry><literal>object_type</literal></entry>
<entry><type>character_data</type></entry>
<entry><literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal></entry>
<entry><literal>COLLATION</literal> or <literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal></entry>
</row>
<row>
@ -5497,15 +5497,15 @@ ORDER BY c.ordinal_position;
<literal>USAGE</literal> privileges granted on various kinds of
objects to a currently enabled role or by a currently enabled role.
In <productname>PostgreSQL</productname>, this currently applies to
domains, foreign-data wrappers, and foreign servers. There is one
collations, domains, foreign-data wrappers, and foreign servers. There is one
row for each combination of object, grantor, and grantee.
</para>
<para>
Since domains do not have real privileges
Since collations and domains do not have real privileges
in <productname>PostgreSQL</productname>, this view shows implicit
non-grantable <literal>USAGE</literal> privileges granted by the
owner to <literal>PUBLIC</literal> for all domains. The other
owner to <literal>PUBLIC</literal> for all collations and domains. The other
object types, however, show real privileges.
</para>
@ -5556,7 +5556,7 @@ ORDER BY c.ordinal_position;
<row>
<entry><literal>object_type</literal></entry>
<entry><type>character_data</type></entry>
<entry><literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal></entry>
<entry><literal>COLLATION</literal> or <literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal></entry>
</row>
<row>

21
src/backend/catalog/information_schema.sql
View File

@ -2019,6 +2019,27 @@ GRANT SELECT ON triggers TO PUBLIC;
CREATE VIEW usage_privileges AS
/* collations */
-- Collations have no real privileges, so we represent all collations with implicit usage privilege here.
SELECT CAST(u.rolname AS sql_identifier) AS grantor,
CAST('PUBLIC' AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS object_catalog,
CAST(n.nspname AS sql_identifier) AS object_schema,
CAST(c.collname AS sql_identifier) AS object_name,
CAST('COLLATION' AS character_data) AS object_type,
CAST('USAGE' AS character_data) AS privilege_type,
CAST('NO' AS yes_or_no) AS is_grantable
FROM pg_authid u,
pg_namespace n,
pg_collation c
WHERE u.oid = c.collowner
AND c.collnamespace = n.oid
AND c.collencoding = (SELECT encoding FROM pg_catalog.pg_database WHERE datname = pg_catalog.current_database())
UNION ALL
/* domains */
-- Domains have no real privileges, so we represent all domains with implicit usage privilege here.
SELECT CAST(u.rolname AS sql_identifier) AS grantor,