select * from table is as good as hdfs -cat are you sure there is any data in the table?
On Tue, Jun 18, 2013 at 11:54 PM, Sunita Arvind <sunitarv...@gmail.com>wrote: > Hi, > > I am able to parse the input JSON file and load it into hive. I do not see > any errors with create table, so I am assuming that. But when I try to read > the data, I get null > > hive> select * from jobs; > OK > null > > I have validated the JSON with JSONLint and Notepad++ JSON plugin and it > is a valid JSON. Here is my create table statement and attached is the > json input file. > > create external table jobs ( > jobs STRUCT< > values : ARRAY<STRUCT< > company : STRUCT< > id : STRING, > name : STRING>, > postingDate : STRUCT< > year : INT, > day : INT, > month : INT>, > descriptionSnippet : STRING, > expirationDate : STRUCT< > year : INT, > day : INT, > month : INT>, > position : STRUCT< > title : STRING, > jobFunctions : ARRAY<STRUCT< > code : STRING, > name : STRING>>, > industries : ARRAY<STRUCT< > code : STRING, > id : STRING, > name : STRING>>, > jobType : STRUCT< > code : STRING, > name : STRING>, > experienceLevel : STRUCT< > code : STRING, > name : STRING>>, > id : STRING, > customerJobCode : STRING, > skillsAndExperience : STRING, > salary : STRING, > jobPoster : STRUCT< > id : STRING, > firstName : STRING, > lastName : STRING, > headline : STRING>, > referralBonus : STRING, > locationDescription : STRING>>> > ) > ROW FORMAT SERDE 'com.cloudera.hive.serde.JSONSerDe' > LOCATION '/user/sunita/tables/jobs'; > > The table creation works fine, but when I attempt to query, I get null as > the result. > I tried adding Input/Output formats, Serde Properties, nothing seems to > impact. > > I am of the opinion that the libraries cannot handle this level of nesting > and I probably will have to write a custom serde or a parser myself. Just > wanted to seek guidance before I get into that. Appreciate your help and > guidance. > > regards > Sunita > -- Nitin Pawar
