Merlin Moncure <mmonc...@gmail.com> writes:
> On Mon, Jun 22, 2015 at 12:37 PM, Robert Haas <robertmh...@gmail.com> wrote:
>> ... The basic idea is that pg_stat_activity.waiting would be
>> replaced by a new column pg_stat_activity.wait_event, which would
>> display the reason why that backend is waiting.
> Instead of changing the column, can't we add a new one? Adjusting
> columns in PSA requires the innumerable queries written against it to
> be adjusted along with all the wiki instructions to dev ops for
> emergency stuck query detection etc etc.
+1. Removing the boolean column seems like it will arbitrarily break
a whole lot of client-side code, for not-very-adequate reasons.
regards, tom lane
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