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From: Igor Korot <[email protected]>
To: David G. Johnston <[email protected]>
Cc: Rob Sargent <[email protected]>
Cc: Adrian Klaver <[email protected]>
Cc: pgsql-generallists.postgresql.org <[email protected]>
Subject: Re: How to properly use TRIM()?
Date: Sat, 7 Mar 2026 12:46:09 -0800
Message-ID: <CA+FnnTy5Fc5WdM=yPSL7bBDrGYHD2aQTwGbFZFuv9dHm_AAgGA@mail.gmail.com> (raw)
In-Reply-To: <CAKFQuwYaVKcMU0wP3SAbct8FU0H4iy=E1HxxBY-gcvmoK-GsrQ@mail.gmail.com>
References: <CA+FnnTwxSeLhR8zNZsoR2SAXYVf9Db+zi3+SpPqdBe==m3X-AQ@mail.gmail.com>
	<[email protected]>
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	<CAKFQuwYaVKcMU0wP3SAbct8FU0H4iy=E1HxxBY-gcvmoK-GsrQ@mail.gmail.com>

Hi, David,

On Sat, Mar 7, 2026 at 12:03 PM David G. Johnston <
[email protected]> wrote:

> On Sat, Mar 7, 2026 at 12:58 PM Igor Korot <[email protected]> wrote:
>
>> So I started looking for a way to return SQL_NO_DATA
>> on that 4th column...
>>
>
> Doesn't "No Data" refer to the result set as a whole, not individual
> columns?  I'd assume NULL is detected some other way.
>

No, I think it’s column based.
The call to SQLGetData() returns data in one column.

And as stated it successfully retrieves empty array for column 3 and moves
on.

Thank you.


> David J.
>

reply

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