function

From: "Andrey" <bp(at)profit(dot)net(dot)ua>
To: <pgsql-sql(at)postgresql(dot)org>
Subject: function
Date: 2000-07-01 15:56:20
Message-ID: 002501bfe374$e7e46640$0101010a@x206
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Hi.
Does anyone know how I can declaration internal variable in function( SQL language ), and can I use "if" - operation, such as
if( $1 <> $2 )

Best regards
Andrey

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