类型转换猪hcatalog [英] Type conversion pig hcatalog

问题描述

我使用HCatalog版本0.4。我在hive'abc'中有一个表，它有一个数据类型为'timestamp'的列。当我尝试使用org.apache.hcatalog.pig.HCatLoader（）来运行这样的raw_data = load'abc'猪脚本时我得到一个错误说java.lang.TypeNotPresentException：输入时间戳不存在。

解决方案

问题是，hcatalog不支持时间戳类型。
它将在hive 0.13下支持，他们对已经解决的这个问题有疑问，你可以在 https://issues.apache.org/jira/browse/HIVE-5814

I use HCatalog version 0.4. I have a table in hive 'abc' which has a column with datatype 'timestamp'. When i try to run a pig script like this "raw_data = load 'abc' using org.apache.hcatalog.pig.HCatLoader();" i get an error saying "java.lang.TypeNotPresentException: Type timestamp not present".

解决方案

The problem is that hcatalog doesn’t support timestamp type. It will be supported under hive 0.13, they have an issue about this problem that was already solved, you can see the issue in https://issues.apache.org/jira/browse/HIVE-5814

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