doc: Document sequence function privileges better

Document the privileges required for each of the sequence functions.
This was already in the GRANT reference page, but also add it to the
function description for easier reference.

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index b214218791e435194f6666f68e46f26a799e196c..9e2170ea4bb65be5a517d1cf2a014ddaf21194bc 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -11723,6 +11723,10 @@ nextval('foo'::text)      foo is looked up at
         
        
 
+       
+        This function requires USAGE
+        or UPDATE privilege on the sequence.
+       
       
      
 
@@ -11738,6 +11742,11 @@ nextval('foo'::text)      foo is looked up at
         other sessions have executed nextval since the
         current session did.
        
+
+       
+        This function requires USAGE
+        or SELECT privilege on the sequence.
+       
       
      
 
@@ -11754,6 +11763,11 @@ nextval('foo'::text)      foo is looked up at
         lastval if nextval
         has not yet been called in the current session.
        
+
+       
+        This function requires USAGE
+        or SELECT privilege on the last used sequence.
+       
       
      
 
@@ -11792,6 +11806,11 @@ SELECT setval('foo', 42, false);    Next nextval wi
          back.
         
        
+
+       
+        This function requires UPDATE privilege on the
+        sequence.
+