On Wed, Feb 18, 2015 at 10:09 PM, Andres Freund <and...@2ndquadrant.com> wrote:
> On 2015-02-18 17:15:18 +0900, Michael Paquier wrote:
>> >> - I don't think that the t_bits fields in htup_details.h should be
>> >> updated either.
>> >
>> > Why not? Any not broken code should already use MinHeapTupleSize and
>> > similar macros.
>>
>> Changing t_bits impacts HeapTupleHeaderData, ReorderBufferTupleBuf and
>> similarly a couple of redo routines in heapam.c using
>> HeapTupleHeaderData in a couple of structures not placing it at the
>> end (compiler complains).
>
> The compiler will complain if you use a FLEXIBLE_ARRAY_MEMBER in the
> middle of a struct but not when when you embed a struct that uses it
> into the middle another struct. At least gcc doesn't and I think it'd be
> utterly broken if another compiler did that. If there's a compiler that
> does so, we need to make it define FLEXIBLE_ARRAY_MEMBER to 1.

clang does complain on my OSX laptop regarding that ;)
-- 
Michael


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