*** pgsql.virg/src/backend/commands/command.c	Mon May 28 07:14:02 2001
--- pgsql/src/backend/commands/command.c	Wed May 23 14:00:37 2001
***************
*** 1217,1222 ****
--- 1217,1223 ----
  							Relation	rel;
  							Node	   *expr;
  							char	   *name;
+ 							Oid	myrelid;
  
  							if (constr->name)
  								name = constr->name;
***************
*** 1226,1231 ****
--- 1227,1233 ----
  							constlist = makeList1(constr);
  
  							rel = heap_openr(relationName, AccessExclusiveLock);
+ 							myrelid = RelationGetRelid(rel);
  
  							/* make sure it is not a view */
  							if (rel->rd_rel->relkind == RELKIND_VIEW)
***************
*** 1320,1325 ****
--- 1322,1356 ----
  							 */
  							AddRelationRawConstraints(rel, NIL, constlist);
  							heap_close(rel, NoLock);
+ 
+ 							if (inh) {
+ 								List	   *child,
+ 									   *children;
+ 
+ 								/* this routine is actually in the planner */
+ 								children = find_all_inheritors(myrelid);
+ 
+ 								/*
+ 								 * find_all_inheritors does the recursive search of the
+ 								 * inheritance hierarchy, so all we have to do is process all
+ 								 * of the relids in the list that it returns.
+ 								 */
+ 								foreach(child, children)
+ 								{
+ 									Oid			childrelid = lfirsti(child);
+ 									char	   *childrelname;
+ 	
+ 									if (childrelid == myrelid)
+ 										continue;
+ 									rel = heap_open(childrelid, AccessExclusiveLock);
+ 									childrelname = pstrdup(RelationGetRelationName(rel));
+ 									heap_close(rel, AccessExclusiveLock);
+ 
+ 									AlterTableAddConstraint(childrelname, false, newConstraint);
+ 	
+ 									pfree(childrelname);
+ 								}
+ 							}
  							pfree(constlist);
  
  							break;