From: | sdupille(at)i-france(dot)com ( Stéphane Dupille) |
---|---|
To: | "pgsql-general(at)postgreSQL(dot)org" <pgsql-general(at)postgreSQL(dot)org> |
Subject: | Re: [GENERAL] A mistake generates strange result |
Date: | 1999-02-09 08:55:23 |
Message-ID: | m3iudcdkhw.fsf@gromit.adrenaline.fr |
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Lists: | pgsql-general pgsql-hackers |
Hi !
"Ricardo J.C.Coelho" <pulsar(at)truenet-ce(dot)com(dot)br> writes:
> Just for PgSQL's development group think about....
> I made a mistake typing a query that generates a strange result
> (Very strange).
> The query: select text('12345678'::float8);
> It returns a date in datetime format !!!!!!
I didn't found any function of name "text" that converts
float8 to text. So I think Postgres made an implicit cast of the data
to datatime. So: String->Float8->DateTime->Text. Stranger : I didn't
found any function to cinvert float to text !
> If you use: select ('12345678'::float8)::text; everything runs well.
Here, you made an explicit cast, without the use of any
function. So your data is casted well.
Hope this helps !
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