[GSoC] array processing questions

From: Charles Cui <charles(dot)cui1984(at)gmail(dot)com>
To: Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>, Aleksandr Parfenov <a(dot)parfenov(at)postgrespro(dot)ru>, Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: [GSoC] array processing questions
Date: 2018-06-23 23:54:58
Message-ID: CA+SXE9twcpYztF=Oo6EKoK=XjofWuZUadS6YCmwgJOfnQ_DKWA@mail.gmail.com
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Hi mentors and hackers,

One question about array processing in postgresql. Assume my input is a
Datum (which contains an array). Are there any examples to loop through the
array and operates on each element? feel like it is not that straight-ford.

Thanks Charles

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