Re: Howto determin the number of elemnts of an array

From: PFC <lists(at)boutiquenumerique(dot)com>
To: Együd Csaba <csegyud(at)vnet(dot)hu>, "'Sven Willenberger'" <sven(at)dmv(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Howto determin the number of elemnts of an array
Date: 2005-01-31 16:16:16
Message-ID: opslg55el9th1vuj@musicbox
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icount( array )

> Hi Seven,
> it would be better for me if it returned the number of elements as an
> integer even if the array is empty (in this case it returns with NULL).
> No
> metter this is easily can be worked around, but it would have been more
> confortable.
>
> Thank you very much.
> -- Csaba Együd
>
> -----Original Message-----
> From: Sven Willenberger [mailto:sven(at)dmv(dot)com]
> Sent: Monday, January 31, 2005 4:27 PM
> To: pgsql-general(at)postgresql(dot)org
> Cc: Együd Csaba
> Subject: Re: [GENERAL] Howto determin the number of elemnts of an array
>
>
>
> Együd Csaba wrote:
>> Hi,
>> how can I determin the number of elements of an array? I saw function
>> array_dims() which returns a string value representing the dimensions
>> of the array. Is there a function which returns only the number of
>> elements as an integer.
>>
>> -- Csaba
>>
>
> array_upper(arrayname,dimension) will return the number of elements in
> the
> specified dimension of array arrayname.
>
> Sven
>

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