przetwarzanie_danych_w_chmu.../labs/sql_queries.sql

12 lines
790 B
SQL

SELECT Max(price) AS "MaxPrice",
type,
Date_format(From_unixtime(transaction_ts),'%Y') AS year,
Date_format(From_unixtime(transaction_ts),'%m') AS month,
Date_format(From_unixtime(transaction_ts),'%d') AS day,
Date_format(From_unixtime(transaction_ts),'%H') AS hour
FROM crawler_stockdata
GROUP BY (type, Date_format(From_unixtime(transaction_ts),'%Y'), Date_format(From_unixtime(transaction_ts),'%m'), Date_format(From_unixtime(transaction_ts),'%d'), Date_format(From_unixtime(transaction_ts),'%H'), symbol)
order BY date_format(from_unixtime(transaction_ts),'%Y'),
date_format(from_unixtime(transaction_ts),'%m'),
date_format(from_unixtime(transaction_ts),'%d'),
date_format(from_unixtime(transaction_ts),'%H')