Maxim Boguk schrieb am 19.05.2015 um 13:33:
>     Hello all,
> 
>     I just noticed that you can do something like this (using 9.4.1):
> 
>        select array[1,2,3] - 3
> 
>     which is doing the same thing as:
> 
>        select array_remove(array[1,2,3],3)
> 
>     but the minus is not documented as an array operator: 
> http://www.postgresql.org/docs/current/static/functions-array.html
> 
>     Is that an oversight in the documentation or isn't the minus supposed to 
> work like that in the first place?
> 
> 
> ​You very likely have an intarray extension installed​:​
> http://www.postgresql.org/docs/9.4/interactive/intarray.html
> int[] - int  operator documented in the extension documentation as it's a 
> part of the extension but not part of the PostgreSQL core.​

Ah, right - that was it. Completely forgot about that.

Sorry for the noise.

Thomas




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