Re: BUG #15709: if drop exists syntax - Mailing list pgsql-bugs

From Pavel Stehule
Subject Re: BUG #15709: if drop exists syntax
Date
Msg-id CAFj8pRA90vpLN1dvCOd+u-Cwt5W=+hgdsgH4ETHJeEApcE+x6w@mail.gmail.com
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In response to BUG #15709: if drop exists syntax  (PG Bug reporting form <noreply@postgresql.org>)
List pgsql-bugs


čt 11. 4. 2019 v 6:52 odesílatel Jueve L <kievelee33@gmail.com> napsal:
image.png
not the MIN cannot be use, is the ctid, how could the ctid in this format?? this ensure cannot be MIN.. please advice, got any unique key?? to do duplicates data??

can you move data to modern database and do deduplication there?

Without MIN on ctid you cannot to do it. You can write a extension in C language, but it is probably out of scope.



On Thu, Apr 11, 2019 at 12:48 PM Pavel Stehule <pavel.stehule@gmail.com> wrote:


čt 11. 4. 2019 v 6:44 odesílatel Jueve L <kievelee33@gmail.com> napsal:
image.png

why MIN couldn't be use ??? is the version problem again??

i have not a idea


On Thu, Apr 11, 2019 at 12:33 PM Pavel Stehule <pavel.stehule@gmail.com> wrote:


čt 11. 4. 2019 v 6:17 odesílatel Jueve L <kievelee33@gmail.com> napsal:
sry, this example is with ID, which indicate rows, but from my table dont have like i was mentioned, please advice

any table has hiden column ctid, that is unique



On Thu, Apr 11, 2019 at 12:01 PM Pavel Stehule <pavel.stehule@gmail.com> wrote:
Hi

čt 11. 4. 2019 v 5:53 odesílatel Jueve L <kievelee33@gmail.com> napsal:
Hi,

if lets say im using v8,3 and i need delete duplicates data without ID column and 8.3 dont have row_number() over function.
how do i write the script?? 

This is not a postgres bug. Please, use correct mailing list.


Regards

Pavel


On Thu, Mar 21, 2019 at 9:20 PM Pavel Stehule <pavel.stehule@gmail.com> wrote:
Hi

čt 21. 3. 2019 v 11:44 odesílatel PG Bug reporting form <noreply@postgresql.org> napsal:
The following bug has been logged on the website:

Bug reference:      15709
Logged by:          Kieve Lee
Email address:      kievelee33@gmail.com
PostgreSQL version: Unsupported/Unknown
Operating system:   window 7
Description:       

How about if in version 8.0, how do we use drop table if exists?? If you
dont provide this function then provide a script example dude, why pgsql so
unfriendly??

This is not a bug.

Please, try to use supported version of PostgreSQL. 8.0 is unsupported maybe ten years.

psql run in fault tolerant mode where errors are ignored. So you can just

drop table sometable;
create table sometable(...);

It should to works. The error messages you can ignore.

Regards

Pavel Stehule
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