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Explode of Array in HiveRaihan Jamal 2012-07-07, 22:16
Hi Everyone,
This is the below Hive Table CREATE EXTERNAL TABLE IF NOT EXISTS SampleTable ( USER_ID BIGINT, NEW_ITEM ARRAY<STRUCT<PRODUCT_ID: BIGINT,TIMESTAMPS:STRING>> ) And this is the data in the above table- 1015826235 [{"product_id":220003038067,"timestamps":"1340321132000"},{"product_id":300003861266,"timestamps":"1340271857000"}] Is there any way I can get the below output from the HiveQL after exploding the array? **USER_ID** | *PRODUCT_ID** | **TIMESTAMPS** ---------------------------+---------------------------------+--------------------------------- 1015826235 220003038067 1340321132000 1015826235 300003861266 1340271857000 **Updated** I wrote this query to get the output in the above format, but it is not giving me the result in the way I wanted to. *SELECT myTable1.myCol1,myTable2.myCol2 FROM sampletable st LATERAL VIEW * * explode(st.purchased_item.product_id) myTable1 AS myCol1 LATERAL VIEW * * explode(st.purchased_item.timestamps) myTable2 AS myCol2;* Can anyone help me what wrong I am doing in my Query? *Raihan Jamal* |