I have product data in my table which looks similar to this product_id user_id sales_start sales_end quantity 1 12 2022-01-01 2022-02-01 15 2 234 2022-11-01 2022-12-31 123 I want to transform the table into a daily snapshot so that it…
WITH key_value AS ( SELECT e FROM headers CROSS JOIN UNNEST(CAST(json_parse(headers) AS array(json))) t(e) ) SELECT CAST(JSON_PARSE(e) AS map(varchar, varchar)) AS value FROM key_value { "headers": [{ "key": "Name", "value": "xxxx" }, { "key": "Email", "value": "xxxx" }, { "key":…
When I add a file to S3, run a query against Athena, Athena returns the expected result with the data from this file. Now if I then delete that same file from S3 and run the same query, Athena still…
I have the following query in Athena, I am using S3 as data store. I have 2 query parameters in the lambda expression. PREPARE my_select1 FROM SELECT address.phonenumbers FROM "nested-query-db"."data_with_json1" where cardinality(filter(address.phonenumbers,js->js.type = ? and js.number = ?)) >0 and…
I am trying to create a view to fetch data from a bucket by excluding certain folders inside S3 on Hive. I was able to successfully create view on Athena, but couldn't do the same on Hive. Athena View: CREATE…
I have been working with AWS Athena for a while and need to do create a backup and version control of the views. I'm trying to build an automation for the backup to run daily and get all the views.…
This question is similar to another one, but I'm providing a simpler example. The other query was too advanced to make sense to me. Sample (fake) data id gender kg 4f5a07ca-02e0-8981-3c30-4d9924a169a3 male 103 4f5a07ca-02e0-8981-3c30-4d9924a169a3 male 85 4f5a07ca-02e0-8981-3c30-4d9924a169a3 male 469 e05d54e9-8292-b26c-5618-8a3712b4fc44…
I need to connect to Athena using Python. The code used is as follows: import pyathena import pandas as pd athena_conn = pyathena.connect(access_key, secret_key, s3_staging_dir, region_name) df = pd.read_sql("SELECT * FROM db.tableLIMIT 10", athena_conn) df.head(5) I, personally don't have access…
I need to write a query that sums the values of all possible permutations and shows only one row for the result. I also need to mention that table is stored as an array and that number of items in…
I am trying to load a files from s3 to Athena to perform a query operation. But all the column values are getting added to the first column. I have file in the following format: id,user_id,personal_id,created_at,updated_at,active 34,34,43,31:28.4,27:07.9,TRUE This is the…