Should You Use ClickHouse as a Main Operational Database?
Percona
JANUARY 14, 2019
To simulate text messages I have used ~3 billion of reddit comments (10 years from 2007 to 2017), downloaded from pushshift.io. As a temporary workaround we can do something like this: SELECT count() FROM rc WHERE (created_utc > ( ( SELECT max(created_utc) FROM rc ) - ((60 * 60) * 24))) AND (subreddit = 'programming') ??count()??
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