Re: Howto determin the number of elemnts of an array

Hi,
this function is part of GiST which is not installed on my server. Should I
install the whole GiST or there is a single package to implement only this
feature?

thank you,
-- Csaba

-----Original Message-----
From: PFC [mailto:lists(at)boutiquenumerique(dot)com]
Sent: Monday, January 31, 2005 5:16 PM
To: Együd Csaba; 'Sven Willenberger'; pgsql-general(at)postgresql(dot)org
Subject: Re: [GENERAL] Howto determin the number of elemnts of an array

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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