Document values for pg_constraint confupdtype, confdeltype and confmatchtype columns.

diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index a25d2356da312da459793de6f0d90ab3acddb807..a4006f3e20e90231df23da51060b030671e5764a 100644 (file)
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -1,4 +1,4 @@
-
+
 
@@ -1909,21 +1909,37 @@
       confupdtype
       char
       
-      Foreign key update action code
+      Foreign key update action code:
+       a = no action,
+       r = restrict,
+       c = cascade,
+       n = set null,
+       d = set default
+     
      
 
      
       confdeltype
       char
       
-      Foreign key deletion action code
+      Foreign key deletion action code:
+       a = no action,
+       r = restrict,
+       c = cascade,
+       n = set null,
+       d = set default
+     
      
 
      
       confmatchtype
       char
       
-      Foreign key match type
+      Foreign key match type:
+       f = full,
+       p = partial,
+       u = simple (unspecified)
+