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From Sabin Coanda
Subject array_to_string
Date
Msg-id euaelf$28f8$1@news.hub.org
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Responses Re: array_to_string
List pgsql-sql
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Hi there,

I used the function array_to_string, and I found it ignores NULL values, 
e.g. array_to_string( 'ARRAY[1,NULL,3]', ',' ) returns '1,3'.

The function documentation doesn't explain this case.
So please tell me: is it the normal behavior or a bug ?

TIA,
Sabin

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