From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
---|---|
To: | Igor Korot <ikorot01(at)gmail(dot)com> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: libpq confusion |
Date: | 2017-09-20 04:14:10 |
Message-ID: | CAFj8pRCco=y_AMz5Pe4+tKic1aCWr=g9oMMC4Va8ZSBmRHOdww@mail.gmail.com |
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Lists: | pgsql-general |
2017-09-20 5:36 GMT+02:00 Igor Korot <ikorot01(at)gmail(dot)com>:
> Hi, ALL,
>
> draft=# SELECT 1 FROM abcattbl WHERE abt_tnam = 'leagues';
> ?column?
> ----------
> (0 rows)
>
>
> However running it thru the PQexecParam() I am getting "PGRES_TUPLES_OK"
> which means that the such record exist.
>
That means so this command doesn't fail - not so there are some record.
you can use different query, that returns true, false
SELECT EXISTS(SELECT * FROM abcattbl WHERE abt_tnam = 'leagues');
Regards
Pavel
> How do I properly check if the record exists from libpq?
>
>
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