Re: Database schema diff
От | Christopher Browne |
---|---|
Тема | Re: Database schema diff |
Дата | |
Msg-id | CAFNqd5XHWwmw73Kqz3iX8g9rdkPh5YczkZL2RCPG0Xe+G0JyeA@mail.gmail.com обсуждение исходный текст |
Ответ на | Database schema diff (Michal Novotny <michal.novotny@trustport.com>) |
Ответы |
Re: Database schema diff
|
Список | pgsql-hackers |
On 13 October 2015 at 11:48, Michal Novotny <michal.novotny@trustport.com> wrote:
It would not be difficult at all to add that comparison; as simple as adding
--
Hi guys,
I would like to ask you whether is there any tool to be able to compare
database schemas ideally no matter what the column order is or to dump
database table with ascending order of all database columns.
For example, if I have table (called table) in schema A and in schema B
(the time difference between is 1 week) and I would like to verify the
column names/types matches but the order is different, i.e.:
Schema A (2015-10-01) | Schema B (2015-10-07)
|
id int | id int
name varchar(64) | name varchar(64)
text text | description text
description text | text text
Is there any tool to compare and (even in case above) return that both
tables match? Something like pgdiff or something?
This should work for all schemas, tables, functions, triggers and all
the schema components?
Also, is there any tool to accept 2 PgSQL dump files (source for
pg_restore) and compare the schemas of both in the way above?
Thanks a lot!
Michal
The one thing that you mention that it *doesn't* consider is the ordering of columns.
It would not be difficult at all to add that comparison; as simple as adding
an extra capture of table columns and column #'s. I'd be happy to consider
adding that in.
Note that pgcmp expects the database to be captured as databases; it pulls data
from information_schema and such. In order to run it against a pair of dumps,
you'd need to load those dumps into databases, first.
When confronted by a difficult problem, solve it by reducing it to the
question, "How would the Lone Ranger handle this?"
question, "How would the Lone Ranger handle this?"
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