Update.

< 	  have its heap and index files truncated.  One issue is
< 	  that no other backend should be able to add to the table
< 	  at the same time, which is something that is currently
< 	  allowed.
> 	  removed or have its heap and index files truncated.  One
> 	  issue is that no other backend should be able to add to
> 	  the table at the same time, which is something that is
> 	  currently allowed.