diff options
| -rw-r--r-- | doc/sql.txt | 43 | ||||
| -rwxr-xr-x | elo.py | 2 |
2 files changed, 38 insertions, 7 deletions
diff --git a/doc/sql.txt b/doc/sql.txt index 16373b3..3a67dd3 100644 --- a/doc/sql.txt +++ b/doc/sql.txt @@ -1,17 +1,48 @@ Useful queries: -SELECT * FROM `rankings` JOIN drivers ON rankings._driver = drivers.id WHERE ranking >= (SELECT MAX(r.ranking) FROM rankings r WHERE r.rank_date <= rankings.rank_date) ORDER BY rank_date ASC - - selects top rating progression -SELECT drivers.driver, rankings.ranking, rankings.rank_date FROM rankings INNER JOIN (SELECT MAX(ranking) ranking, _driver FROM rankings GROUP BY _driver) r ON r.ranking=rankings.ranking AND r._driver=rankings._driver JOIN drivers ON rankings._driver = drivers.id ORDER BY rankings.ranking DESC +SELECT * FROM rankings +JOIN drivers ON rankings._driver = drivers.id +WHERE ranking >= ( + SELECT MAX(r.ranking) FROM rankings r + WHERE r.rank_date <= rankings.rank_date +) ORDER BY rank_date ASC - overall top peak ratings - -SELECT drivers.driver, rankings.ranking, rankings.rank_date FROM rankings INNER JOIN (SELECT MAX(rank_date) rank_date, _driver FROM rankings GROUP BY _driver) r ON r.rank_date=rankings.rank_date AND r._driver=rankings._driver JOIN drivers ON rankings._driver = drivers.id ORDER BY rankings.ranking DESC + +SELECT drivers.driver, + rankings.ranking, + rankings.rank_date +FROM rankings +INNER JOIN ( + SELECT MAX(ranking) ranking, _driver FROM rankings + GROUP BY _driver +) r ON r.ranking=rankings.ranking AND r._driver=rankings._driver +JOIN drivers ON rankings._driver = drivers.id +ORDER BY rankings.ranking DESC - highest exit ratings -SELECT MAX(ranking), AVG(ranking), YEAR(rank_date) FROM rankings GROUP BY YEAR(rank_date) ORDER BY YEAR(rank_date) ASC +SELECT drivers.driver, + rankings.ranking, + rankings.rank_date +FROM rankings +INNER JOIN ( + SELECT MAX(rank_date) rank_date, _driver FROM rankings GROUP BY _driver +) r ON r.rank_date=rankings.rank_date AND r._driver=rankings._driver +JOIN drivers ON rankings._driver = drivers.id +WHERE rankings.rank_date < CONCAT(YEAR(CURDATE()),'-01-01') +ORDER BY rankings.ranking DESC - year-by-year rating inflation + +SELECT YEAR(rank_date), + MAX(ranking), + MIN(ranking), + AVG(ranking), + AVG(ranking)+STDDEV(ranking), + AVG(ranking)-STDDEV(ranking) +FROM rankings +GROUP BY YEAR(rank_date) +ORDER BY YEAR(rank_date) ASC @@ -7,7 +7,7 @@ from f1elo.interface import Interface parser = argparse.ArgumentParser( description='Ranks Formula One drivers using Elo rating', - formatter_class=argparse.RawTextHelpFormatter) + formatter_class=argparse.RawTextHelpFormatter) parser.add_argument('command', metavar='COMMAND', nargs='?', help="Action to execute against the database:\n" "print - prints the rankings for all drivers ranked in 12 months,\n" |