From 091bda0188250c9802cebca066b4ca9e049616e6 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Wed, 2 Mar 2011 23:10:41 +0200
Subject: [PATCH] Add collations to information_schema.usage_privileges
This is faked information like for domains.
---
doc/src/sgml/information_schema.sgml | 10 +++++-----
src/backend/catalog/information_schema.sql | 21 +++++++++++++++++++++
2 files changed, 26 insertions(+), 5 deletions(-)
diff --git a/doc/src/sgml/information_schema.sgml b/doc/src/sgml/information_schema.sgml
index aa6f852a8a3..eba3a0a25da 100644
--- a/doc/src/sgml/information_schema.sgml
+++ b/doc/src/sgml/information_schema.sgml
@@ -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>
diff --git a/src/backend/catalog/information_schema.sql b/src/backend/catalog/information_schema.sql
index e81a3bb40df..1c47d81ba8c 100644
--- a/src/backend/catalog/information_schema.sql
+++ b/src/backend/catalog/information_schema.sql
@@ -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,
--
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