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AW: embedded sql with indicators in other DBs

From: Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at>
To: "'Michael Meskes'" <meskes(at)postgresql(dot)org>, PostgreSQL Hacker <pgsql-hackers(at)postgresql(dot)org>
Subject: AW: embedded sql with indicators in other DBs
Date: 2000-10-23 09:03:41
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Lists: pgsql-hackers
> What do other DBs do with their output variables if there is 
> an embedded SQL
> query resulting in a NULL return value? What I mean is:
> exec sql select text into :txt:ind from ...
> If text is NULL, ind will be set, but does txt change?
> I was just told Informix blanks txt.

No, it gives a null string. 
In general Informix has a value that represents null that is 
'distinct from all legal values in any given datatype'.


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