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Thread: Re: Detecting autoincrement columns

Re: Detecting autoincrement columns

From
"FarjadFarid\(ChkNet\)"
Date:
Hi all,

Can someone please direct me as how to detect columns (serial) with
autoincrement option ?

Many thanks.

Best Regards


Farjad Farid

Re: Detecting autoincrement columns

From
Tom Lane
Date:
"FarjadFarid\(ChkNet\)" <farjad.farid@checknetworks.com> writes:
> Can someone please direct me as how to detect columns (serial) with
> autoincrement option ?

They have a default that depends on a nextval() call.

            regards, tom lane

Re: Detecting autoincrement columns

From
Melvin Davidson
Date:
Try this:

SELECT *
    FROM information_schema.columns
WHERE UPPER(column_default) LIKE 'NEXTVAL%'
ORDER BY 1, 2, 3;

On Tue, Sep 1, 2015 at 6:33 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
"FarjadFarid\(ChkNet\)" <farjad.farid@checknetworks.com> writes:
> Can someone please direct me as how to detect columns (serial) with
> autoincrement option ?

They have a default that depends on a nextval() call.

                        regards, tom lane


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Melvin Davidson
I reserve the right to fantasize.  Whether or not you
wish to share my fantasy is entirely up to you.

Re: Detecting autoincrement columns

From
"FarjadFarid\(ChkNet\)"
Date:

Many thanks.

 

From: Melvin Davidson [mailto:melvin6925@gmail.com]
Sent: 02 September 2015 00:20
To: Tom Lane
Cc: FarjadFarid(ChkNet); pgsql-general@postgresql.org
Subject: Re: [GENERAL] Detecting autoincrement columns

 

Try this:

SELECT *
    FROM information_schema.columns
WHERE UPPER(column_default) LIKE 'NEXTVAL%'

ORDER BY 1, 2, 3;

 

On Tue, Sep 1, 2015 at 6:33 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

"FarjadFarid\(ChkNet\)" <farjad.farid@checknetworks.com> writes:
> Can someone please direct me as how to detect columns (serial) with
> autoincrement option ?

They have a default that depends on a nextval() call.

                        regards, tom lane



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Melvin Davidson
I reserve the right to fantasize.  Whether or not you
wish to share my fantasy is entirely up to you.