| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | bouda(at)edookit(dot)com, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] BUG #12070: hstore extension: hstore_to_json_loose produces invalid JSON |
| Date: | 2015-01-13 15:56:48 |
| Message-ID: | 54B54040.5040804@gmx.net |
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| Lists: | pgsql-bugs pgsql-hackers |
On 11/30/14 11:45 AM, Tom Lane wrote:
> The "API break" isn't a big issue imo. The net effect would be that eg
> hstore 9.3.6 wouldn't work against a 9.3.5 server. We do that sort of
> thing *all the time* --- at least twice in the past year, according to
> a quick scan of the commit logs. If you were changing or removing a
> function that third-party code might depend on, it'd be problematic,
> but an addition has no such risk.
This sort of things is actually a bit of an annoyance, because it means
that for minor-version upgrades, you need to stop the server before
unpacking the new version, otherwise the old running server will try to
load the new hstore module and fail with a symbol lookup. This can
increase the downtime significantly.
Yes, we've done this before, and people have gotten bitten by it before.
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