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1ambda/df-transformation-result.py

Created December 20, 2021 12:11
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df-transformation-result.py
# dfSelected.explain("formatted") 의 실행 결과
(1) Scan csv
Output [7]: [ID#16, Year_Birth#17, Education#18, Kidhome#21, Teenhome#22, Dt_Customer#23, Recency#24]
Batched: false
Location: InMemoryFileIndex [file:/home/jovyan/private-notebook/spark-tutorial/marketing_campaign.csv]
ReadSchema: struct<ID:int,Year_Birth:int,Education:string,Kidhome:int,Teenhome:int,Dt_Customer:string,Recency:int>
(2) Project [codegen id : 1]
Output [7]: [ID#16 AS id#190, Year_Birth#17 AS year_birth#191, Education#18 AS education#192, Kidhome#21 AS count_kid#193, Teenhome#22 AS count_teen#194, Dt_Customer#23 AS date_customer#195, Recency#24 AS days_last_login#196]
Input [7]: [ID#16, Year_Birth#17, Education#18, Kidhome#21, Teenhome#22, Dt_Customer#23, Recency#24]
# dfConverted.explain("formatted") 의 실행 결과
(1) Scan csv
Output [7]: [ID#16, Year_Birth#17, Education#18, Kidhome#21, Teenhome#22, Dt_Customer#23, Recency#24]
Batched: false
Location: InMemoryFileIndex [file:/home/jovyan/private-notebook/spark-tutorial/marketing_campaign.csv]
ReadSchema: struct<ID:int,Year_Birth:int,Education:string,Kidhome:int,Teenhome:int,Dt_Customer:string,Recency:int>
(2) Project [codegen id : 1]
Output [8]: [ID#16 AS id#213, Year_Birth#17 AS year_birth#214, Education#18 AS education#215, Kidhome#21 AS count_kid#216, Teenhome#22 AS count_teen#217, Dt_Customer#23 AS date_customer#218, Recency#24 AS days_last_login#219, add_months(cast(gettimestamp(Dt_Customer#23, d-M-yyyy, Some(Asia/Seoul), false) as date), 72) AS date_joined#227]
Input [7]: [ID#16, Year_Birth#17, Education#18, Kidhome#21, Teenhome#22, Dt_Customer#23, Recency#24
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