Re: [BUGS] BUG #14903: problem with bool array

On Mon, 13 Nov 2017, arclight1995@gmail.com wrote:

"The array subscript numbers are written within square brackets. By
default PostgreSQL uses a one-based numbering convention for arrays,
that is, an array of n elements starts with array[1] and ends with
array[n]."

> The following bug has been logged on the website:
>
> Bug reference:      14903
> Logged by:          Roman Morozov
> Email address:      arclight1995@gmail.com
> PostgreSQL version: 9.6.5
> Operating system:   PostgreSQL 9.6.5 on x86_64-pc-linux-gnu, compiled 
> Description: 
>
> 1) set value for field with type bool array:
> update "ContractorImage"
> set "States" =
>
'{f,f,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}'
> 2) try to change first value of array:
> update "ContractorImage" set "States"[0] = true
>
> 3) instead of '{t,f,null,...}' it becomes '{t,f,f,null,...}'. why doesd
> first element have index 1 instead of 0 ?
>
>
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-
Mike Porter
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