RE: data source api v2 refactoring

2018-10-18 Thread Mendelson, Assaf
HI, I actually encountered this corner case and I think it is not that uncommon. In my case, I was writing a write only source which used some library to write to a database. I didn’t want to have to write a reader, however, even if I would have written one it wouldn’t have worked. I wouldn’t

RE: Possible bug in DatasourceV2

2018-10-11 Thread Mendelson, Assaf
: Hyukjin Kwon [mailto:gurwls...@gmail.com] Sent: Thursday, October 11, 2018 10:24 AM To: Mendelson, Assaf; Wenchen Fan Cc: dev Subject: Re: Possible bug in DatasourceV2 [EXTERNAL EMAIL] Please report any suspicious attachments, links, or requests for sensitive information. See https://github.com/apache

structured streaming documentation does not match behavior

2017-06-15 Thread Mendelson, Assaf
Hi, I have started to play around with structured streaming and it seems the documentation (structured streaming programming guide) does not match the actual behavior I am seeing. It says in the documentation that maxFilesPerTrigger (as well as latestFirst) are options for the File sink.

RE: separate spark and hive

2016-11-14 Thread Mendelson, Assaf
would suggest that working without hive should be either a simple configuration or even the default and that if there is any missing functionality it should be documented. Assaf. From: Reynold Xin [mailto:r...@databricks.com] Sent: Tuesday, November 15, 2016 9:31 AM To: Mendelson, Assaf Cc: dev

RE: Handling questions in the mailing lists

2016-11-02 Thread Mendelson, Assaf
questions. It is so easy to get lost in the chatter that it makes it very hard for people to learn spark internals… Assaf. From: Sean Owen [mailto:so...@cloudera.com] Sent: Wednesday, November 02, 2016 2:07 PM To: Mendelson, Assaf; dev@spark.apache.org Subject: Re: Handling questions in the mailing

RE: UDF and native functions performance

2016-09-12 Thread Mendelson, Assaf
the first condition fails, all would fail. The problem is I don’t see this in the plan, nor can I find it in the code. From: Takeshi Yamamuro [mailto:linguin@gmail.com] Sent: Monday, September 12, 2016 7:12 PM To: Mendelson, Assaf Cc: dev@spark.apache.org Subject: Re: UDF and native functions