Since there is an array here you are probably looking for HiveQL's LATERAL VIEW explode <https://cwiki.apache.org/confluence/display/Hive/LanguageManual+LateralView> .
On Mon, May 11, 2015 at 7:12 AM, ayan guha <guha.a...@gmail.com> wrote: > Typically you would use . notation to access, same way you would access a > map. > On 12 May 2015 00:06, "Ashish Kumar Singh" <ashish23...@gmail.com> wrote: > >> Hi , >> I am trying to read Nested Avro data in Spark 1.3 using DataFrames. >> I need help to retrieve the Inner element data in the Structure below. >> >> Below is the schema when I enter df.printSchema : >> >> |-- THROTTLING_PERCENTAGE: double (nullable = false) >> |-- IMPRESSION_TYPE: string (nullable = false) >> |-- campaignArray: array (nullable = false) >> | |-- element: struct (containsNull = false) >> | | |-- COOKIE: string (nullable = false) >> | | |-- CAMPAIGN_ID: long (nullable = false) >> >> >> How can I access CAMPAIGN_ID field in this schema ? >> >> Thanks, >> Ashish Kr. Singh >> >
