Mark Dilger wrote:
> I found a few places in the code where a variable of
> type Oid is printed using "%d" rather than "%u" and
> changed them in the attached patch.
> 
> In src/backend/replication/logical/reorderbuffer.c,
> circa line 2494, chunk_seq is of type Oid, but
> ent->last_chunk_seq is of type int32, leading me
> to question if perhaps the use of %d for chunk_seq
> is correct, but the use of Oid for the type of chunk_seq
> is in error.  If neither is in error, perhaps someone
> can provide a short code comment explaining the
> logic of the signed/unsigned discrepancy.

tuptoaster defines chunk_seq as signed int32; ReorderBufferToastAppendChunk
is wrong in declaring it Oid, and so this part of your patch is bogus.
The others seem correct.

> diff --git a/src/backend/replication/logical/reorderbuffer.c 
> b/src/backend/replication/logical/reorderbuffer.c
> index 6e75398..41a4896 100644
> --- a/src/backend/replication/logical/reorderbuffer.c
> +++ b/src/backend/replication/logical/reorderbuffer.c
> @@ -2487,11 +2487,11 @@ ReorderBufferToastAppendChunk(ReorderBuffer *rb, 
> ReorderBufferTXN *txn,
>               dlist_init(&ent->chunks);
>  
>               if (chunk_seq != 0)
> -                     elog(ERROR, "got sequence entry %d for toast chunk %u 
> instead of seq 0",
> +                     elog(ERROR, "got sequence entry %u for toast chunk %u 
> instead of seq 0",
>                                chunk_seq, chunk_id);
>       }
>       else if (found && chunk_seq != ent->last_chunk_seq + 1)
> -             elog(ERROR, "got sequence entry %d for toast chunk %u instead 
> of seq %d",
> +             elog(ERROR, "got sequence entry %u for toast chunk %u instead 
> of seq %d",
>                        chunk_seq, chunk_id, ent->last_chunk_seq + 1);
>  
>       chunk = DatumGetPointer(fastgetattr(&newtup->tuple, 3, desc, &isnull));

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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