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is any reason why only one columns subselect are allowed in array()? - Mailing list pgsql-hackers

From Pavel Stehule
Subject is any reason why only one columns subselect are allowed in array()?
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Msg-id 162867790811180706h5f4aff50nb199af0259527f76@mail.gmail.com
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Responses Re: is any reason why only one columns subselect are allowed in array()?  ("Robert Haas" <robertmhaas@gmail.com>)
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Hello

I am thinking about allowing 2D array from multicolumn subselect (all
columns have to share same type, ofcourse). Is there some real limit,
why this functionality is disallowed?

Regards
Pavel Stehule

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