Re: Lost my tablespace

>
> I have a serious problem in my database. I have a table, divided into 4
>

Postgres version?

*PostgreSQL 9.3.5, compiled by Visual C++ build 1600, 64-bit*

tablespaces, one in each unit (E :; G :; H:; I:), linked with
>

So for OS some version of Windows, correct?

*Yes, correct!*

inheritance, of approximately 500 gb each. It happens that a truncate was
> done in the main table without undoing the inheritance for the other tables
> and consequently the "daughters" tables were cleaned together with the main
> one. I lost everything! But ... I have the backup of all drives and I have
> already done the data restore. Everything has been successfully retrieved,
> however the table is listed as 8192 bytes in postgres, but the units are
> all as they were before the truncate was executed.
> Is there any way Postgres redo the link with the child tables ?? I already
> ran the command to rewrite inheritance, but the size of the tables
> continues with 8192.
>

What was the command?

If you execute the SELECT command pg_size_pretty (pg_database_size
> ('database_name')), the result comes complete, as if the tables were filled
> normally.
>

What does
*2848 GB*

select * from pg_tablespace;

show?
*Yes, all tablespaces*
*disco01*
*disco02*
*disco03*
*disco04*

*disco05*

What does $PGDATA/pg_tblspc show?
*this shortcouts:*

*2193601 -> E:*
*5205910 -> G:*
*7245095 -> H:*
*9277962 -> I:*
*11242858-> J: (new)*

Thanks.

2017-05-29 11:23 GMT-03:00 Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>:

> On 05/29/2017 07:10 AM, tel medola wrote:
>
>>
>> I have a serious problem in my database. I have a table, divided into 4
>>
>
> Postgres version?
>
> tablespaces, one in each unit (E :; G :; H:; I:), linked with
>>
>
> So for OS some version of Windows, correct?
>
> inheritance, of approximately 500 gb each. It happens that a truncate was
>> done in the main table without undoing the inheritance for the other tables
>> and consequently the "daughters" tables were cleaned together with the main
>> one. I lost everything! But ... I have the backup of all drives and I have
>> already done the data restore. Everything has been successfully retrieved,
>> however the table is listed as 8192 bytes in postgres, but the units are
>> all as they were before the truncate was executed.
>> Is there any way Postgres redo the link with the child tables ?? I
>> already ran the command to rewrite inheritance, but the size of the tables
>> continues with 8192.
>>
>
> What was the command?
>
> If you execute the SELECT command pg_size_pretty (pg_database_size
>> ('database_name')), the result comes complete, as if the tables were filled
>> normally.
>>
>
> What does
>
> select * from pg_tablespace;
>
> show?
>
>
> What does $PGDATA/pg_tblspc show?
>
>
> Can someone help me please?
>> Thanks Roberto.
>>
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>