Information schema documentation

Add a sentence of documentation about the differences between the
*_privileges and the role_*_grants views.

diff --git a/doc/src/sgml/information_schema.sgml b/doc/src/sgml/information_schema.sgml
index 0a48218122382a81925a7f41f58434cd7b865c78..7ad2cc8c5c0a3d52be27643b09eb5e925c0a9626 100644 (file)
--- a/doc/src/sgml/information_schema.sgml
+++ b/doc/src/sgml/information_schema.sgml
@@ -1,4 +1,4 @@
-
+
 
 
  The Information Schema
@@ -2843,7 +2843,11 @@ ORDER BY c.ordinal_position;
    The view role_column_grants identifies all
    privileges granted on columns where the grantor or grantee is a
    currently enabled role.  Further information can be found under
-   column_privileges.
+   column_privileges.  The only effective
+   difference between this view
+   and column_privileges is that this view omits
+   columns that have been made accessible to the current user by way
+   of a grant to public.
   
 
   @@ -2922,7 +2926,11 @@ ORDER BY c.ordinal_position;    The view role_routine_grants identifies all    privileges granted on functions where the grantor or grantee is a    currently enabled role.  Further information can be found under-   routine_privileges.+   routine_privileges.  The only effective+   difference between this view+   and routine_privileges is that this view omits+   functions that have been made accessible to the current user by way+   of a grant to public.       












@@ -3012,7 +3020,11 @@ ORDER BY c.ordinal_position;    The view role_table_grants identifies all    privileges granted on tables or views where the grantor or grantee    is a currently enabled role.  Further information can be found-   under table_privileges.+   under table_privileges.  The only effective+   difference between this view+   and table_privileges is that this view omits+   tables that have been made accessible to the current user by way of+   a grant to public.       












@@ -3093,7 +3105,10 @@ ORDER BY c.ordinal_position;    USAGE privileges granted on various kinds of    objects where the grantor or grantee is a currently enabled role.    Further information can be found under-   usage_privileges.+   usage_privileges.  The only effective difference+   between this view and usage_privileges is that+   this view omits objects that have been made accessible to the+   current user by way of a grant to public.       












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