chmury_projekt/labs/sql_queries.sql
2024-05-31 23:49:46 +02:00

15 lines
616 B
SQL

WITH cte AS(
SELECT DISTINCT date_format(from_unixtime(transaction_ts), '%Y-%m-%dT%H') AS HourlyBucket,
RANK() OVER(
PARTITION BY (date_format(from_unixtime(transaction_ts), '%Y-%m-%dT%H')), symbol, type
ORDER BY dollar_amount DESC
) AS rnk,
transaction_ts, symbol, price, amount, dollar_amount, type, trans_id, year, month, day, hour
FROM "datalake_raw_878695318857_ek_1201695"."crawler_stockdata"
ORDER BY HourlyBucket
)
SELECT HourlyBucket, rnk, transaction_ts, symbol, price,
amount, dollar_amount, type, trans_id, year, month, day, hour
FROM cte
WHERE rnk = 1
ORDER BY HourlyBucket, symbol, type;