From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | jd(at)commandprompt(dot)com |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Prepping to break every past release... |
Date: | 2009-03-09 17:59:48 |
Message-ID: | 200903091759.n29Hxmi06944@momjian.us |
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Thread: | |
Lists: | pgsql-hackers |
If this is the worst inconsistency you can find in our system tables
after +20 years of development, I feel pretty good.
---------------------------------------------------------------------------
Joshua D. Drake wrote:
> Hello,
>
> Something that continues to grind my teeth about our software is that we
> are horribly inconsistent with our system catalogs. Now I am fully and
> 100% aware that changing this will break things in user land but I want
> to do it anyway. In order to do that I believe we need to come up with a
> very loud, extremely verbose method of communicating to people that 8.5
> *will* break things.
>
> It seems to me that the best method would be to follow the
> information_schema naming conventions as information_schema is standard
> compliant (right?).
>
> Thoughts?
>
> Examples:
>
> postgres=# \d pg_class
> Table "pg_catalog.pg_class"
> Column | Type | Modifiers
> ----------------+-----------+-----------
> relname | name | not null
> relnamespace | oid | not null
> [...]
>
> postgres=# \d pg_tables
> View "pg_catalog.pg_tables"
> Column | Type | Modifiers
> -------------+---------+-----------
> schemaname | name |
> tablename | name |
>
> postgres=# \d pg_stat_user_tables
> View "pg_catalog.pg_stat_user_tables"
> Column | Type | Modifiers
> ------------------+--------------------------+-----------
> relid | oid |
> schemaname | name |
> relname | name |
>
>
> postgres=# \d information_schema.tables
> View "information_schema.tables"
> Column | Type |
> Modifiers
> ------------------------------+-----------------------------------+-----------
> table_catalog | information_schema.sql_identifier |
> table_schema | information_schema.sql_identifier |
> table_name | information_schema.sql_identifier |
>
>
> --
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>
>
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--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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