Re: ask for review of MERGE

On Wed, Sep 29, 2010 at 2:44 AM, Greg Smith <greg(at)2ndquadrant(dot)com> wrote:
> One compiler warning I noticed that needs to get resolved:
>
> src/backend/commands/explain.c:
>
> explain.c: In function ‘ExplainMergeActions’:
> explain.c:1528: warning: comparison of distinct pointer types lacks a cast
>
> That is complaining about this section:
>
> if (mt_planstate->operation != CMD_MERGE ||
> mt_planstate->mt_mergeActPstates == NIL)
> return;
>
> So presumably that comparison with NIL needs a cast. Once I get more
> familiar with the code I'll fix that myself if Boxuan doesn't offer a
> suggestion first.

Possibly NULL was meant instead of NIL. NIL is specifically for a List.

--
Robert Haas
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