Hi Arjun, Yes. Query individual table with corresponding filter applied via Drill returns non-empty results.
Regards, Prisdha Dharma ________________________________ From: Arjun kr <arjun...@outlook.com> Sent: Tuesday, November 6, 2018 4:42 PM To: user@drill.apache.org Cc: Oleg Mürk Subject: Re: Join tables from different databases returns empty result Does it return any result if you query on individual tables with the corresponding filter applied in Drill? Thanks, Arjun ________________________________ From: Khurram Faraaz <kfar...@mapr.com> Sent: Wednesday, November 7, 2018 5:34 AM To: user@drill.apache.org Cc: om...@intertrust.com Subject: Re: Join tables from different databases returns empty result Hi, You will have to create a new storage plugin from Drill's Web UI, you can find the details on the below documentation link, to query MySQL tables from Apache Drill. https://drill.apache.org/docs/rdbms-storage-plugin/<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrill.apache.org%2Fdocs%2Frdbms-storage-plugin%2F&data=02%7C01%7Cprisdha%40intertrust.com%7C1e6365c7c99b445642f608d6444fdefc%7Ce58768bd6abd4ef4bcb64477e194a310%7C0%7C0%7C636771507160275458&sdata=anYKjefCH1ypsJ8pZNK1SaaMHzjT6eTSLkRkRUoiPtM%3D&reserved=0> Also please share the query plan if you can generate one using EXPLAIN FOR command, for that join query from Drill. Thanks, Khurram On Tue, Nov 6, 2018 at 3:58 PM Prisdha Dharma <pris...@intertrust.com> wrote: > Hi, > > I'm using Apache Drill to join 2 tables from different databases on MySql > server > When running this query: > SELECT a.name, b.url > FROM pg_authservice.partner a > INNER JOIN pg-edge.graph_apis b > N a.id = b.pid > WHEN a.status = 1 && b.job_status = “COMPLETED”; > > I see that Drill returns empty result, even though the join using MySQL > returns non-empty data. > Could you please advise. > > Prisdha Dharma > > >
