Dear Amit,
> It seems by mistake you have removed the changes from pgoutput_message
> and pgoutput_truncate functions. I have added those back.
> Additionally, I made a few other changes: (a) moved the function
> UpdateProgress to pgoutput.c as it is not used outside it, (b) change
> the new parameter in plugin API from 'send_keep_alive' to 'last_write'
> to make it look similar to WalSndPrepareWrite and WalSndWriteData, (c)
> made a number of changes in WalSndUpdateProgress API, it is better to
> move keep-alive code after lag track code because we do process
> replies at that time and there it will compute the lag; (d)
> changed/added comments in the code.
LGTM, but the patch cannot be applied to current HEAD.
Best Regards,
Hayato Kuroda
FUJITSU LIMITED