From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
---|---|
To: | Andreas Kretschmer <andreas(at)a-kretschmer(dot)de> |
Cc: | "pgsql-general(at)postgresql(dot)org >> PG-General Mailing List" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: GENERAL - [How to check if the array contains the element.] |
Date: | 2017-04-26 12:59:38 |
Message-ID: | CAFj8pRDt3CgdFi-fqo_v3yssZcmyfzG6wg9pbMxcUsJn+O5DRw@mail.gmail.com |
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Lists: | pgsql-general |
Hi
2017-04-26 13:33 GMT+02:00 Andreas Kretschmer <andreas(at)a-kretschmer(dot)de>:
>
>
> Am 26.04.2017 um 13:24 schrieb VENKTESH GUTTEDAR:
>
>> Hello All,
>>
>> How do i check if any one element of one array exists in another
>> array.
>> Eg:
>> array1 = [1,2,3,4]
>> array2 = [1,4,5,7]
>> Now i expect the result as true even if any one element matches from
>> array2 in array1.
>>
>
> You can use the overlap - operator:
>
> test=*# select array[1,2,3,4] && array[1,4,5,7];
> ?column?
> ----------
> t
> (1 Zeile)
>
> test=*# select array[1,2,3,4] && array[10,40,50,70];
> ?column?
> ----------
> f
> (1 Zeile)
>
>
or subset
postgres=# select array[1,2,3,4] @> array[1,3,2,4];
┌──────────┐
│ ?column? │
╞══════════╡
│ t │
└──────────┘
(1 row)
> Regards, Andreas
>
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