| From: | David Steele <david(at)pgmasters(dot)net> |
|---|---|
| To: | Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Vladimir Rusinov <vrusinov(at)google(dot)com>, Cynthia Shang <cynthia(dot)shang(at)crunchydata(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Rename pg_switch_xlog to pg_switch_wal |
| Date: | 2017-01-02 17:39:39 |
| Message-ID: | 0c699a3a-7832-5276-19e4-9381fd6fb139@pgmasters.net |
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| Lists: | pgsql-hackers |
On 1/2/17 12:30 PM, Jim Nasby wrote:
> On 1/1/17 9:48 AM, Peter Eisentraut wrote:
>> On 12/30/16 9:57 AM, Stephen Frost wrote:
>>> Additionally, people who are actually using these bits of the system are
>>> almost certainly going to have to adjust things for the directory
>>> change,
>>
>> Some *xlog* functions are commonly used to measure replay lag. That
>> usage would not be affected by the directory renaming. Renaming those
>> functions would only serve to annoy users and have them delay their
>> upgrades.
>
> Perhaps we should split the difference and do what we did for XML:
> provide a contrib module with alias functions using the old (xlog) names.
-1
Since these functions are normally used by admins and not generally used
in SQL and functions, I'm not convinced the maintenance of the extension
would be worth it. Admins are free to create whatever aliases they need
to get their work done.
--
-David
david(at)pgmasters(dot)net
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