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Re: Array value from table as parameter

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On 7/22/16 7:31 AM, Charles Clavadetscher wrote:
I need to pass an array as a parameter in a function, but it is a part of a trigger that get a "new" value.
>
> I've tested it like
>
> select function_x(10000,555555,array[['xxxxx'],['yyyyy']])
> or
> select function_x(10000,555555,array[['xxxxx','yyyyy']])
>
> and it worked.
>
> But if I use
>
> select function_x(10000,555555,new.situations)
>
> it doesn't work, as the value comes like this: {"xxxxx","yyyyy"}
> I couldn't find a function that converts {} values back to [] without treat it as a string and use replace, what I think that is
not the ideal solution because it may can't satisfy more complex arrays.

Would it help to simply cast the argument to TEXT[]?

That would simply be masking the problem.

'{"xxxxx","yyyyy"}' is a completely valid representation of an array, but not one you should be getting out of code (because there's no reason for array_out to toss the extra "s in there). It also doesn't match either of your other examples.

Please create a stand-alone scenario that demonstrates the problem you're seeing. I suspect that in the process of doing that you're going to uncover a bug in your code, but if not then we'll have something concrete we can look at.
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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