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From: Thomas Kellerer <[email protected]>
To: Shaozhong SHI <[email protected]>
To: [email protected]
Subject: Re: How come column is locked?
Date: Tue, 4 Jul 2023 20:39:09 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CA+i5JwZvyabamZhCPaE+64NLJeKYD59Ftw+Qd6HPSFjftFMoig@mail.gmail.com>
References: <CA+i5JwaZ5T1VSQ1GNPmx4DgYJcZpFwpfoAd0d+pG0XZgRuVi9w@mail.gmail.com>
	<[email protected]>
	<CA+i5JwZvyabamZhCPaE+64NLJeKYD59Ftw+Qd6HPSFjftFMoig@mail.gmail.com>

Shaozhong SHI schrieb am 04.07.2023 um 16:59:
> On Tue, 4 Jul 2023 at 15:43, Thomas Kellerer <[email protected] <mailto:[email protected]>> wrote:
>
>     Shaozhong SHI schrieb am 04.07.2023 um 16:34:
>      > I used
>      >
>      > create table if not exists waternetwork1.walknetwortt3 (fid integer[]);
>      >
>      > in do statement.
>      >
>      > When I use
>      > insert into waternetwork1.walknetwortt3 select fid from a function
>      >
>      > it failed.
>
>     What exactly is the error message you get?
>
>
>      > The column is locked.
>
>     There is no column level lock in Postgres.
>
>     The smallest unit that can be locked is a row.
>
>
>
>
> I see a pad lock on the column.  That is the only column.

There is no such thing as a "padlock" in Postgres.

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