How to create an external Hive table with column typed Timestamp

Question

I want to create an external Hive table from a text file containing epoch in HDFS. Let\'s say the file is located at the /user/me/test.txt. Here\'s the file con

Answer 1

The Timestamp string must be in the format specified in the error message and link, yyyy-mm-dd hh:mm:ss[.fffffffff]. To use data that contains epoch, you would have to define as a BIGINT and then use the built-in UDF, from_unixtime() to convert to a string representing the date. Then you could use the other built-in UDF date functions to manipulate this date.