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From Lei Chang <lei_ch...@apache.org>
Subject Re: PXF读取HDFS数据NULL问题
Date Fri, 15 Jul 2016 02:28:14 GMT
I got the email now, looks there are very big delays here, several hours,
sometimes.

Thanks
Lei


2016-07-15 0:50 GMT+08:00 Roman Shaposhnik <roman@shaposhnik.org>:

> You may want to check your spam filter. I saw all these messages.
>
> Thanks,
> Roman.
>
> 2016-07-14 6:03 GMT-07:00 Lei Chang <lchang@pivotal.io>:
>
> >
> > FYI, looks dev mailing list does not get this email. forward to dev@hawq
> > again.
> >
> >
> > ---------- Forwarded message ----------
> > From: 吴彪 <sywubiao@jd.com>
> > Date: 2016-07-14 19:05 GMT+08:00
> > Subject: PXF读取HDFS数据NULL问题
> > To: dev@hawq.incubator.apache.org
> > Cc: 周龙波 <zhoulongbo@jd.com>, Brian Lu <blu@pivotal.io>, Lei Chang
<
> > lchang@pivotal.io>
> >
> >
> > 你好,
> >
> >        在使用PXF读取HDFS数据时遇到以下问题,HDFS上的数据是通过Hive生成的,:
> >
> > 1.    Hive中String类型的字段有些为NULL,hawq 查询会报以下错误;在Hive中把NULL字段处理为非NULL时,在hawq
> > 中可以正常查询。
> >
> >
> >
> >
> >
> > 2.    Hive中Bigint 类型的字段有些为NULL,hawq 查询会报以下错误:
> >
> >
> >
> >        请问有比较好的方案可以直接处理带有NULL的数据吗?谢谢
> >
> >
> >
> > 吴彪
> >
> > JD.COM 京东 【大数据部-大数据研发部-平台基础研发部】
> >
> > ---------------------------------------------------------------
> >
> > 地址:北京市朝阳区北辰世纪中心A座10层
> >
> > 邮编:100195
> >
> > 手机:18810848987
> >
> > 邮箱:*sywubiao@jd.com <sywubiao@jd.com?subject=sywubiao@jd.com>*
> >
> > ----------------------------------------------------------------
> >
> > [image: j39]
> >
> >
> >
> >
>
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