Chris
From: Gerard Maas
Date: Thursday, 19 July 2018 at 15:20
To: Christiaan Ras , spark users
Subject: Re: [STRUCTURED STREAM] Join static dataset in state function
(flatMapGroupsWithState)
Hi Chris,
Could you show the code you are using? When you mention "I like to use a static
datasou
Hi Chris,
Could you show the code you are using? When you mention "I like to use a
static datasource (JDBC) in the state function" do you refer to a DataFrame
from a JDBC source or an independent JDBC connection?
The key point to consider is that the flatMapGroupsWithState function must
be serial